Shandong Huadong Blower
Shandong Huadong Blower Co., Ltd. (hereinafter referred to as Huadong Blower) is a professional manufacturer and solution provider specializing in industrial blower and compressor technologies based in Zhangqiu District, Jinan City, Shandong Province, China. With over three decades of experience in the blower industry, the company has established itself as a technology-driven enterprise with advanced precision manufacturing capabilities and comprehensive after-sales support.
Founded in 2010, with roots in blower business since 2007, Huadong Blower covers an expansive manufacturing area in excess of 100,000 square meters, including more than 45,000 square meters of standard workshop space equipped with over 100 CNC machines and advanced testing equipment. The company employs over 400 skilled professionals, including a strong technical team composed of doctoral and master’s degree researchers, ensuring continuous innovation and product excellence. Its operations are supported by internationally recognized quality systems and certifications, including ISO9001 Quality Management System, CE certification, and other global standard compliance.
Huadong Blower has developed a reputation for reliability, high performance, and durable industrial machinery. Its products are used across a broad spectrum of sectors, including wastewater treatment, chemical processing, cement, pneumatic conveying, metallurgy, aquaculture, electric power, paper production, and food industries. By adhering to the principle of “Customer Supreme, Quality First,” the company continues to expand its global footprint while delivering superior technical solutions to meet customer demands around the world.
Mission & Vision
Huadong Blower’s mission is to deliver energy-efficient, reliable blower and compressor solutions that support industrial productivity and environmental sustainability. Its vision is to lead the blower industry through innovation, quality manufacturing, and customer-oriented service, while contributing to global industrial modernization.
Main Product Categories
The company’s product portfolio spans several major families of industrial mechanical equipment, each engineered to meet diverse functional requirements in airflow and vacuum handling systems:
1. Roots Blowers
Roots blowers are positive displacement machines designed to deliver large volumes of gas at stable pressures. They are widely used in wastewater aeration, pneumatic conveying systems, aquaculture, chemical plants, power generation, metallurgy, and other industrial processes where high performance and reliability are essential.
Key sub-types include:
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HDSR Series 3-Lobe Roots Blower – Standard three-lobe design with pressure range from 9.8 to 98 kPa and capacity up to 198.1 m³/min; ideal for general industrial aeration and pneumatic conveying applications.
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HDSR-MJ Compact Roots Blower – Compact structure for installations with space constraints while maintaining high airflow performance.
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HG Series 3-Lobe Roots Blower – Features high rotary speed and air cooling, designed for demanding continuous operation environments.
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HDLH Series Roots Blower – A range tailored for aquaculture and other specific applications requiring variable pressure requirements.
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HDR Series 2-Lobe Roots Blower – Large capacity model with efficient displacement characteristics for heavy-duty industrial processes.
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HTR Double Stage Roots Blower – Produces high pressure rise up to 196 kPa through a two-stage configuration.
Each Roots blower type is engineered for durability, low noise operation, and minimal maintenance. They are also available in multiple configurations including horizontal, vertical, positive, and negative pressure installations to suit a wide range of applications.
2. Roots Vacuum Pumps
Roots vacuum pumps are specialized positive displacement pumps capable of creating and maintaining high vacuum environments. These units serve industries such as vacuum pneumatic conveying systems, vacuum casting systems, power plants, cement manufacturing, and food processing lines.
Representative models include:
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HDSR-V Roots Vacuum Pump – Vacuum range from -9.8 to -79.9 kPa with airflow up to 136.6 m³/min; designed for medium vacuum duties.
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HDLH-V Roots Vacuum Pump – More extensive vacuum range from -1000 to -5000 mmAq suitable for deeper vacuum requirements.
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HG-V Roots Vacuum Pump – High rotary speed version tailored for fast-cycle vacuum applications.
These pumps are characterized by stable vacuum delivery, robust design, and efficient operation in continuous production environments.
3. Gas Blowers & Special Applications
In addition to Roots series products, Huadong Blower’s offerings include specialized gas blowers and biogas handling units for clean energy and waste gas applications. These include:
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Biogas Blowers – Used in landfill systems, palm oil mill effluent treatment (POME), livestock farms (pig and chicken farms), and environmental waste gas systems; designed for zero leakage, corrosion resistance, and explosion-proof performance.
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Aquaculture Farm Aeration Blowers – Tailored compressors for fish and shrimp pond aeration with water depth pressure ratings and efficient oxygen delivery.
4. MVR (Mechanical Vapor Recompression) Steam Compressors
MVR steam compressors are advanced units used in industrial wastewater treatment and thermal recovery systems. These devices recycle vapor energy through mechanical recompression, offering energy-saving solutions for industries like chemical processing, food and beverage production, pharmaceutical manufacturing, and milk processing.
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MVR Series Steam Compressor – Stainless steel body options (SS304, SS316L, SS2205) with pressure range 9.8–98 kPa and capacity up to 216 m³/min; engineered for durability and thermal efficiency.
Applications & Industries
Huadong Blower products are designed to operate in demanding industrial environments and have proven performance in the following sectors:
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Wastewater Treatment & Aeration Systems
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Chemical & Petrochemical Processing
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Metallurgical & Steel Production
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Electric Power & Energy Plants
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Pneumatic Conveying & Material Handling
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Paper & Pulp Industry
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Food & Beverage Manufacturing
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Aquaculture & Fish Farming
Quality Assurance & Certifications
Huadong Blower has implemented strict quality control systems and achieved numerous certifications to meet international standards. Its manufacturing processes adhere to ISO9001 quality management and the products often carry CE and other safety certifications recognized in global markets. These qualifications underpin Huadong Blower’s commitment to excellence, reliability, and customer satisfaction.
SAN-EI AIR HOIST VLX VMX VHX
SEIKI SEISAKUSHO Co., Ltd. (株式会社三栄精機製作所), a Japanese manufacturer specializing in pneumatic machinery using compressed air as a power source. The company has over 100 years of experience in air-powered equipment, emphasizing durability, performance, operability, and suitability for harsh environments (e.g., explosive gases, dust, high temperatures, humidity). Their air hoists are vane-type pneumatic chain hoists, known for explosion-proof safety (no sparks), 100% duty cycle (continuous operation), variable speed control via pendant or string, compact/lightweight design, reliable mechanical/pneumatic braking, and optional oilless (oil-free) versions.
Air hoists are ideal for industries requiring safe lifting in hazardous areas, such as chemical plants, mining, painting booths, foundries, and general heavy manufacturing. They support custom configurations (e.g., all-air cranes, special lifts) and can operate on nitrogen (N2) or other gases upon consultation.
Product Categories (Main Series for Air Hoists)
The air hoist lineup is divided into four primary series: VLX, VMX, VHX, and GLX. All use rotary vane air motors, load chains (manganese alloy steel), and robust materials (aluminum/iron castings, chrome-molybdenum steel gears, etc.). Key differences lie in operation method (pendant vs. pull-cord/string), lift height limits, and optional features like chain buckets.
- VLX Series
- Operation: Pendant control only (pendant-style with push-button speed control).
- Key Features: Standard series for general use; compact, lightweight, precise variable speed (via pendant pressure), reliable braking.
- Max Lift Height: VLX25 and VLX50: up to 20 m; VLX100: up to 10 m.
- Typical Capacities: 0.25 t (250 kg), 0.5 t (500 kg), 1 t (1000 kg).
- Specific Models/Variants:
- VLX25 (e.g., VLX25LP-PR, VLX25LP-MR, VLX25LP-GR)
- VLX50 (e.g., VLX50LP-PR, VLX50LP series)
- VLX100 (e.g., VLX100LP-MR)
- VMX Series
- Operation: Both pull-cord (string) and pendant control available.
- Key Features: Similar to VLX but with flexible control options; suitable for applications needing quick manual string operation or remote pendant.
- Max Lift Height: VMX100: up to 20 m; VMX200: up to 10 m.
- Typical Capacities: 1 t (1000 kg), 2 t (2000 kg).
- Specific Models:
- VMX100
- VMX200
- VHX Series
- Operation: Both pull-cord (string) and pendant control.
- Key Features: Includes standard steel chain bucket (iron bucket or high-durability synthetic canvas "Tredak" for chain storage); designed for cleaner operation and chain protection.
- Typical Capacities: Similar to VMX/VLX range (0.5–2 t or custom).
- Specific Models: VHX series (variants not always numbered separately; often tied to capacity like VHX100, etc.).
- GLX Series
- Operation: Pendant control only.
- Key Features: Geared or trolley-compatible (various trolleys as options: plain, geared, motorized); suited for monorail or overhead crane integration.
- Specific Models:
- GLX20LP (example shown in docs, ~0.2–0.5 t range)
- Other GLX variants for higher capacities or custom setups.
Additional Notes on Models and Options
- Capacities Overall: Commonly 0.25 t to 2 t (250 kg–2000 kg), with examples up to 2.9 t in custom/introduced cases (e.g., 0.5 t and 2.9 t for all-air cranes).
- Control Types: Pendant (push-button for variable speed), pull-string (cord for direct manual), or combined.
- Trolley Options (often for GLX or add-ons): Plain trolley, geared trolley, motorized trolley; hook-on or rigid connection.
- Special/Custom: Oilless hoists, explosion-proof enhancements, chemical plant specials, all-air crane systems.
- Accessories: Air filters, regulators, lubricators, hoses, bumpers, etc., recommended for installation.
Xian Sima Motor
Xi'an Sima Motor Co., Ltd. (also known as Xi'an Taifu sima Motor Co., Ltd. or SIMO Electric Motor), headquartered in Xi'an, Shaanxi Province, China, is a leading large-scale enterprise specializing in the design, manufacturing, and sales of medium to large-sized high and low voltage AC and DC motors, synchronous motors, explosion-proof motors, and high/low voltage electrical complete sets. Founded in 1955, the company boasts over 68 years of history in motor manufacturing, research, development, and technical services. With more than 1,500 employees, it has served over 8,000 customers and completed more than 200 development projects.
The "Sima" brand has established a strong reputation in China's motor industry. The company holds key certifications including ISO9001 for quality management, ISO14001 for environmental management, and ISO45001 for occupational health and safety. It was among the first in the industry to achieve ISO9001 certification in 1995 (updated to ISO9001-2000 in 2005), along with environmental and safety standards in 2006, as well as international CE, UL, and China's CCC certifications. Recognized as a top performer, it has ranked among China's top 500 machinery enterprises and high in the electrical industry, earning awards for famous brand products and exempted status in certain regions.
SIMO focuses on providing comprehensive solutions, including motor selection, customization, maintenance, repair, capacity enhancement, energy-saving retrofits, spare parts supply, and on-site technical support. Its products power demanding applications in industries such as mining, coal operations, compressors, pumps, fans, heavy manufacturing, metallurgy, petrochemicals, power generation, water treatment, and general industrial automation. The brand emphasizes high reliability, energy efficiency, durability under harsh conditions, and adaptability to variable frequency drives or pulsating loads.
The company's product portfolio encompasses 34 major series, 89 major categories, and over 1,800 varieties, covering high-voltage motors (typically for powers from hundreds of kW to MW levels), DC motors (for precise speed control in heavy-duty uses), high-efficiency energy-saving motors (IE3/IE4 compliant or equivalent), explosion-proof motors (for hazardous environments like mines and explosive gases), synchronous motors, and complete electrical systems. While not focused on precision servo or stepper motors (common in motion control), SIMO excels in industrial-grade large and medium motors for continuous operation, high torque, and rugged environments.
Product Categories and Specific Models
1. High-Voltage Motors (High Voltage Three-Phase Asynchronous Motors)
These form the core of SIMO's offerings, designed for high-power industrial drives with excellent efficiency, low noise, and compatibility with variable frequency operation. They include squirrel-cage and wound-rotor types, air-cooled or water-cooled variants.
- YX Series — High-efficiency high-voltage three-phase asynchronous motors.
- YXKK Series — High-efficiency high-voltage three-phase asynchronous motors (enclosed air-to-air cooled).
- YXKS Series — High-efficiency high-voltage three-phase asynchronous motors (enclosed air-to-water cooled).
- YVF2 Series — High-voltage variable frequency three-phase asynchronous motors.
- YJTKK Series — High-voltage variable frequency three-phase asynchronous motors.
- YXVF Series — High-efficiency high-voltage variable frequency speed control motors.
- YR Series — High-voltage wound-rotor three-phase asynchronous motors.
- YRKK Series — High-voltage wound-rotor three-phase asynchronous motors (enclosed air-to-air cooled).
- YRKS Series — Wound-rotor high-voltage motors (air-to-water cooled).
Typical applications: Compressors, pumps, fans, crushers in mining and heavy industry.
2. High-Efficiency Energy-Saving Motors
Focused on reducing energy consumption while maintaining high performance, these comply with national efficiency standards and are suitable for general industrial use.
- YE3 Series — High-efficiency three-phase asynchronous motors (IE3 level).
- YX Series (cross-listed) — Efficient high-voltage variants.
- YXKK / YXKS Series (cross-listed) — High-efficiency high-voltage models.
These motors emphasize low losses, long service life, and integration with modern drives for energy savings in pumps, fans, and conveyors.
3. Explosion-Proof Motors
Designed for hazardous areas (e.g., coal mines, chemical plants) with flameproof (Ex d) or increased safety features, meeting GB standards for explosion protection.
- YB3 Series — Flameproof three-phase asynchronous motors for mining.
- YBK3 Series — Flameproof three-phase asynchronous motors for underground coal mines.
- YBX3 Series — Flameproof ultra-high-efficiency three-phase asynchronous motors.
- YBX4 Series — Flameproof ultra-high-efficiency three-phase asynchronous motors.
- YBX5 Series — High-efficiency explosion-proof motors.
- YBE2 / YBE3 Series — High-efficiency explosion-proof motors.
- YBBP Series — Variable frequency speed control explosion-proof motors.
- YBX2 Series — High-voltage flameproof high-efficiency three-phase asynchronous motors.
These are rugged for dusty, gaseous, or explosive environments, with certifications for mine safety.
4. DC Motors
SIMO offers a range of DC motors for applications requiring precise speed/torque control, such as rolling mills, cranes, and heavy machinery. They feature laminated frames for better thermal performance and adaptability to rectifier supplies.
- Z Series — General-purpose DC motors (e.g., Z355-1A example).
- Z4 Series — Octagonal laminated structure DC motors (center height 100–355 mm), suitable for pulsating currents and rapid load changes.
- ZDT2 Series — Advanced DC motors using latest technology for improved performance.
- ZTP Series — DC auxiliary motors for railway locomotives and EMUs.
These provide high starting torque, wide speed range, and reliability in heavy-duty scenarios.
5. Synchronous Motors
Mentioned in the portfolio for applications needing constant speed or power factor correction, though specific series are less detailed on the site.
- General synchronous motors for industrial drives, often paired with excitation systems.
6. High and Low Voltage Electrical Complete Devices
Complete sets including switchgear, control panels, compensation cabinets (e.g., for reactive power), and integrated drive systems.
- Power compensation cabinets and related electrical assemblies for motor control and efficiency.
SIMO's strength lies in customization, technical support, and after-sales services like motor rewinding, upgrades for energy efficiency, and on-site diagnostics. The company continues to innovate in high-performance motors for compressors, mining equipment, and energy-intensive sectors, positioning itself as a reliable partner for industrial power solutions in China and beyond.
HENAN HUANGHE EXPLOSION-PROOF CRANE and Spare parts
HENAN HUANGHE EXPLOSION-PROOF CRANE CO., LTD. — Company & Product Overview
Henan Huanghe Explosion-Proof Crane Co., Ltd. is a Chinese manufacturer specializing in explosion-proof lifting and handling equipment for hazardous and industrial environments. The company was established in 1992 and is based in Changyuan City, Henan Province, within the Nanpu Crane Industrial Park. Its core business includes the design, manufacture, sales, installation, and technical support of explosion-proof mechanical equipment for factories, chemical plants, coal mines, and other hazardous areas requiring safety-certified equipment.
Company Profile
Company Name: Henan Huanghe Explosion-Proof Crane Co., Ltd.
Founded: 1992
Location: Changyuan City, Henan Province, China
Business Scope: Design, production, and sales of explosion-proof cranes and related equipment, plus installation, maintenance and after-sales service
Industry Focus: Explosion-proof lifting equipment for hazardous environments, industrial plant and safety applications
Main Product Categories & Representative Types
1. Explosion-Proof Cranes
Heavy lifting and material handling cranes designed with explosion-proof features for use in hazardous environments (such as petrochemical plants and coal mines).
Product Types
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Explosion-proof overhead cranes
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Explosion-proof gantry cranes
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Explosion-proof jib cranes
Typical Applications
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Industrial workshops
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Chemical processing plants
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Hazardous area material handling
2. Explosion-Proof Electric Hoists
Electric hoists engineered for lifting and lowering loads in explosive or flammable atmospheres, incorporating safety features to prevent ignition.
Product Types
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Explosion-proof chain electric hoists
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Explosion-proof wire rope hoists
Typical Applications
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Loading and unloading stations
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Assembly lines
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Hazardous logistics
3. Explosion-Proof Winches
Heavy-duty winches with explosion-proof electrical systems for pulling, tensioning and positioning loads.
Product Types
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Explosion-proof cable winches
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Explosion-proof drum winches
Typical Applications
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Mining operations
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Offshore petrochemical platforms
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Bulk material handling
4. Explosion-Proof Cable Reels
Cable reels designed to manage power and control cables safely in explosive environments.
Features
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Explosion-proof design for hazardous zones
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Automatic cable winding mechanism
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Reinforced construction suitable for industry
Applications
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Power supply systems for explosion-proof cranes
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Long-reach power distribution systems
5. Explosion-Proof Electromagnetic Chucks
Magnetic clamping devices with explosion-proof certification, used for holding metal workpieces in machining and handling operations.
Features
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Safe magnetic holding power in hazardous areas
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Explosion-proof electrical enclosure
Applications
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Metal fabrication
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Industrial clamping processes
6. Explosion-Proof Electrical Equipment
A range of explosion-proof electrical control devices and accessories used in conjunction with lifting equipment and industrial systems.
Typical Types
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Explosion-proof control panels and switches
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Explosion-proof motors
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Explosion-proof electrical housings and junction boxes
7. Explosion-Proof Air Conditioning & Ventilation
Specialized HVAC units designed for safe operation in explosive atmospheres, providing cooling and air circulation while ensuring safety compliance.
Product Types
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Explosion-proof air conditioners
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Explosion-proof ventilators
Industry Applications
Henan Huanghe Explosion-Proof Crane’s products are used in environments and sectors where safety, explosion risk, and regulatory compliance are critical:
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Petrochemical plants and refineries
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Oil & gas processing facilities
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Chemical manufacturing factories
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Coal mining and energy production sites
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Hazardous industrial warehouses and processing workshops
Product Advantages
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Explosion-proof safety: All products are engineered and certified for use in Class I, II, and III explosive atmospheres where flammable gases, vapors, and dust may be present.
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Robust industrial design: Heavy-duty build quality suitable for demanding material handling and lifting tasks.
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Integrated solutions: Combined product range supports full system integration for industrial lifting, electrical control, and hazardous area environment management.
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After-sales support: Installation, maintenance and technical services are part of the company’s customer support offerings.
Example Product List Highlights
| Category | Product Type | Application |
|---|---|---|
| Explosion-Proof Cranes | Overhead, Gantry, Jib Cranes | Hazardous area lifting |
| Explosion-Proof Hoists | Chain Hoist, Wire Rope Hoist | Material handling |
| Explosion-Proof Winches | Cable / Drum Winches | Heavy pulling & tensioning |
| Explosion-Proof Cable Reels | Power Reels | Cable management in hazardous zones |
| Explosion-Proof Electromagnetic Devices | Magnetic Chucks | Workpiece holding in explosive environments |
| Explosion-Proof Electrical Equipment | Motors, Panels, Switches | Industrial control & safety |
| Explosion-Proof HVAC | Air Conditioners & Ventilators | Safe ventilation & climate control |
Conclusion
Henan Huanghe Explosion-Proof Crane Co., Ltd. is a specialized industrial equipment manufacturer focused on explosion-proof lifting, electrical, and auxiliary systems. The company’s integrated product portfolio serves demanding industrial applications, particularly in hazardous environments where safety and compliance are critical. Its offerings range from cranes and hoists to electrical equipment and HVAC solutions designed for explosion-prone spaces.
Explosion-proof Crane Series
Used in hazardous environments such as chemical plants, oil depots, warehouses, and explosive gas areas.
1. Explosion-proof Electric Hoists
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BX Series Explosion-proof Electric Hoist
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BXX Series Explosion-proof Electric Hoist
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BXK Series Explosion-proof Electric Hoist
These are typically used for light-duty lifting and material handling.
2. Complete Explosion-proof Cranes
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Explosion-proof European Type Single Girder Crane
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Explosion-proof European Type Double Girder Crane
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Suspension Type Explosion-proof Crane
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Explosion-proof Gantry Crane
(Capacity is generally customized according to tonnage requirements.)
2️⃣ Explosion-proof Electrical Control Series
This category includes the product shown in your photo.
1. Explosion-proof Push Buttons / Control Buttons
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BAK Series Explosion-proof Control Buttons
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BAK61
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BAK62
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BAK63
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Example:
BAK63 Explosion-proof Push Button
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Rated Voltage: 36V
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Rated Current: 5A
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Protection Level: IP65
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Explosion Marking: Ex d e IIC T4 Gb / Ex tD A21 IP65 T130°C
2. Explosion-proof Control Boxes
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Multi-button control stations
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Integrated emergency stop control boxes
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Combined operation panels
3. Explosion-proof Selector Switches
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Rotary type selector switches
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Forward / Reverse switches
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Multi-position control switches
3️⃣ Explosion-proof Control Systems
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Explosion-proof PLC Control Cabinets
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Explosion-proof Frequency Converter Cabinets
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Explosion-proof Integrated Control Panels
These are usually supplied together with cranes or lifting systems as a complete control solution.
Zhijiang Yidun Blower and welder
Zhejiang Yidun Electromechanical Co., Ltd. (also known as Zhejiang Yidun Mechanical & Electrical Co., Ltd. or EDON/Redbo brand). It is the Vortex Blower Division section, focusing on vortex blowers (also called ring blowers, side channel blowers, regenerative blowers, or high-pressure vortex air pumps) and related accessories. These are commonly used for applications like pneumatic conveying, vacuum adsorption, water treatment aeration, printing, packaging, medical, and environmental uses.
Redbo Product Category & Specific Model (Inferred)
Welding Machine Category — Redbo WFJ Series
The page identifier “wfj_15” most likely corresponds to a product series within Redbo’s welding machine lineup. In typical Redbo naming conventions:
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“WFJ” often appears as a welding machine product prefix (e.g., inverter welding machines)
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The suffix “15” likely denotes a specific model within that series
This inferred product series typically belongs to inverter welding machines used for MMA / MIG / multi-process welding.
Redbo WFJ Series — Representative Models (Inferred)
WFJ-15 — Single-phase inverter welding machine
Typical features (by naming logic):
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Dual-voltage input (110V / 220V)
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IGBT inverter technology (high efficiency)
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Multiple welding methods supported (MMA / optionally MIG)
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Portable, workshop and field-use friendly
Related Redbo Welding Models (Common across brand)
Although not guaranteed to match exactly what was on that page, the following are representative Redbo models used in the same product family:
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MMA-130 — Stick welding inverter, up to 130A output
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MMA-160 — Stick welding inverter, up to 160A output
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MIG-250 — MIG / multi-process welding machine
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MIG-200 — MIG welding machine (mid-range)
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TIG-200 — TIG welding option (if supported)
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WFJ-10 — Lower-rated welding inverter model
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WFJ-20 — Higher-rated welding inverter model
These model names follow Redbo’s general product naming practice with letters indicating the type (MMA / MIG) and numbers indicating approximate current class or series.
Typical Redbo Welding Machine Technical Classification
| Product Family | Typical Product Types | Common Use |
|---|---|---|
| MMA Inverter (Manual Stick Welding) | MMA-130, MMA-160 | General metal fabrication work |
| MIG Inverter (Gas / Gasless Welding) | MIG-200, MIG-250 | Automotive, workshop fabrication |
| Multi-Process Inverter | MIG-250 multifunction | MIG / MMA / LIFT TIG |
| WFJ Series Inverter Welding Machines | WFJ-15, WFJ-20 | Portable welding units |
Usage & Typical Features of WFJ-15 Class Machines
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Portable inverter welding unit
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Support for stick (MMA) welding
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Dual voltage compatibility (110V / 220V)
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Lightweight, suitable for field service firms or maintenance teams
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Designed for mild steel welding up to approx. 5–6 mm thickness (typical of this segment)
Product Categories
- Vortex Blower Main Units (Vortex Blowers / Ring Blowers)
- Primarily the 2GH series (mainstream high/medium-pressure models).
- A smaller number from the 4GH series (specialized or higher-pressure variants).
- Accessories & Auxiliary Components (Accessories)
- Filters, silencers, air knives, valves, distribution pipes, etc.
Specific Models
1. 2GH Series (Main Vortex Blower Models)
- 2GH-7310
- 2GH-420
- 2GH-910
- 2GH-840
- 2GH-830
- 2GH-720
- 2GH-610
- 2GH-520
- 2GH-510
- 2GH-410
- 2GH-210
These models typically range in power from around 0.2 kW to several kW, with varying air pressure and flow rates (detailed specs are on individual sub-pages, e.g., /dhj_43/143.html for 2GH-7310).
2. 4GH Series (Fewer models, possibly for specific high-pressure needs)
- 4GH-410
- 4GH-620
3. Accessories
- Simple Filter 1
- Simple Filter Connection
- Air Knife
- Distribution Pipe
- Plastic Pressure Relief Valve RV-01
- Silencer
- Plastic Filter
- Vacuum Filter
Murge switchgear
Murge Electric is a manufacturer of electrical switchgear and power distribution equipment, focusing on medium- and low-voltage products such as ring main units, gas insulated switchgear, vacuum circuit breakers, and related accessories.
1. Ring Main Units (RMU)
Medium-voltage secondary distribution solutions.
Model Series
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MGA Series RMU (Dry Air Type)
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MGC Series RMU (SF₆ Type)
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MXGN Series RMU (SF₆ Type, Modular)
Typical Voltage Classes
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12 kV
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17.5 kV
-
24 kV
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36 kV
2. Gas Insulated Switchgear (GIS)
Compact sealed switchgear with gas insulation.
Model Series
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MGX-40.5 Series — 40.5 kV SF₆ GIS
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MAX-12 Series — 12 kV dry air / nitrogen insulated GIS
3. Vacuum Circuit Breakers (VCB)
Medium-voltage breakers using vacuum arc extinguishing.
Model Series
-
VMG-12 — 12 kV VCB
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VMG-17.5 — 17.5 kV VCB
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VMG-24 — 24 kV VCB
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ZN85 Series — Vacuum circuit breaker series (multiple ratings)
4. Medium Voltage Switchgear
Metal-enclosed switchgear for MV power distribution.
Representative Model
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KYN28A-12 (Ⅱ) — Metal-clad withdrawable MV switchgear cubicle
5. Low Voltage Switchgear
Low-voltage distribution and motor control panels.
Product Types
-
Low-voltage distribution switchgear
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MCC (Motor Control Center) panels
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Customized LV panel assemblies (ratings depend on configuration)
6. Outdoor High-Voltage Switchgear
Switchgear designed for outdoor installation.
Product Types
-
Outdoor high-voltage metal-clad switchgear
-
Outdoor load break switch units
(Specific models depend on voltage class and design)
7. Components & Accessories
Electrical components used in MV/LV switchgear assemblies.
Typical Items
-
High-voltage insulators (e.g., 12 kV and 40.5 kV classes)
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Earthing / grounding switches
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Low-voltage cabinet connectors
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Tulip contacts (busbar / breaker contact parts)
8. Prefabricated Cabin & Substation Solutions
Modular integrated power distribution solutions.
Product Types
-
Prefabricated cabins
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Prefabricated substations / packaged substations
Product Line Summary
| Category | Representative Series / Models |
|---|---|
| Ring Main Units | MGA, MGC, MXGN |
| Gas Insulated Switchgear | MGX-40.5, MAX-12 |
| Vacuum Circuit Breakers | VMG-12, VMG-17.5, VMG-24, ZN85 |
| MV Switchgear | KYN28A-12 (Ⅱ) |
| LV Switchgear | LV distribution panels, MCC |
| Outdoor HV Switchgear | Outdoor variants |
| Accessories | Insulators, earthing switch, connectors, tulip contacts |
| Prefabricated Solutions | Prefab cabins, prefab substations |
Murge Electric — Gas Insulated Switchgear (GIS)
Product Categories & Models
Murge Electric manufactures medium-voltage Gas Insulated Switchgear (GIS) designed for compact, reliable, and safe power distribution in industrial plants, substations, and utility networks.
1. 40.5 kV SF₆ Gas Insulated Switchgear
Series Name: MGX-40.5 Series
Voltage Class: 40.5 kV
Insulation Type: SF₆ Gas
Application: Medium-voltage distribution systems
Typical Features
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Compact metal-enclosed design
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Integrated circuit breaker, disconnector, and earthing switch
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High dielectric strength
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Sealed gas-insulated structure
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Suitable for indoor substation installation
Typical Applications
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Utility substations
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Industrial power systems
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Renewable energy distribution
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Infrastructure projects
2. 12 kV Dry Air Gas Insulated Switchgear
Series Name: MAX-12 Series
Voltage Class: 12 kV
Insulation Type: Dry Air / Nitrogen
Application: Secondary power distribution systems
Typical Features
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Environment-friendly insulation (no SF₆)
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Compact modular structure
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Integrated protection modules
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Suitable for indoor switchgear rooms
Typical Applications
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Commercial buildings
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Industrial plants
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Urban distribution networks
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Compact secondary substations
GIS Product Classification Summary
| Category | Series | Voltage Class | Insulation Type |
|---|---|---|---|
| SF₆ GIS | MGX-40.5 | 40.5 kV | SF₆ Gas |
| Dry Air GIS | MAX-12 | 12 kV | Dry Air / N₂ |
General Technical Characteristics
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Modular design for flexible configuration
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High reliability and long service life
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Compact footprint for space-saving installation
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Suitable for integration with protection relays and control systems
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Designed for medium-voltage distribution standards
CHANGZHOU POWER ACTUATOR
Changzhou Power Station Auxiliary Equipment Co., Ltd. is a Chinese manufacturer based in Wujin High-Tech Industrial Development Zone, Changzhou City, Jiangsu Province, China. The company specializes in the design and manufacture of intelligent electric actuators and auxiliary power station equipment for industrial valve control and automation applications.
Their products are widely applied in industries including power generation, petrochemical, utilities, and metallurgy where automated valve actuation and precise control are needed.
Main Product Categories & Models
1. Multi-Turn Electric Actuators
Electric actuators designed for continuous multi-turn rotation, typically used to operate gate valves, globe valves, and other multi-turn valve types.
Typical Model Series
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SND-Z Series — Intelligent switch type multi-turn electric actuators (torque range approx. 50–1200 Nm)
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SND-ZTD Series — Intelligent multi-turn electric actuators (modulating/regulating type, torque approx. 50–900 Nm)
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SND-ZE Series — Intelligent multi-turn electric actuators (torque up to approx. 2500 Nm)
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SND-ZE/K & SND-ZE/T Series — Versions with specific configurations for industrial automation
Typical Features
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High torque output
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Intelligent control functions
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Multiple speed options
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Manual override possible
2. Part-Turn Electric Actuators
Actuators that provide limited rotation (usually up to 90°) for quarter-turn valves such as ball valves, butterfly valves, plug valves, etc.
Typical Model Series
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SND-Q Series — Intelligent switch type part-turn electric actuators
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SND-QTJ Series — Intelligent part-turn electric actuators (regulating/modulating type)
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SND-QF/K & SND-QF/T Series — Part-turn actuators with additional configuration options
Typical Features
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Compact design for quarter-turn control
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On/off or modulating control
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Manual override
3. Linear Actuators
Electric actuators designed for linear motion control, typically used for gate valves, control valves, and other linear travel applications.
Typical Product Type
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Linear electric actuator devices with various stroke and force options
Typical Features
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Precise linear travel control
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Multiple force and stroke ratings
4. Nuclear Power Equipment
Specialized electric and pneumatic actuator products compliant with requirements for use in nuclear power plant auxiliary systems.
Product Types
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Nuclear-grade electric actuator devices
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Nuclear-grade pneumatic actuator devices
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Other related nuclear auxiliary equipment
Typical Features
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Engineered to meet stringent safety and quality standards
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High reliability for critical applications
Industry Applications
Changzhou Power Station Auxiliary Equipment’s products are used in a variety of heavy industries including:
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Power generation facilities
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Petrochemical processing plants
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Utility infrastructure (water, gas, steam)
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Metallurgical and steel manufacturing plants
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Automated valve control systems
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Renewable energy facilities
Actuators are often paired with gearboxes, control systems, and field instruments for complete automation solutions.
Product Strengths & Capabilities
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Industrial-grade electric actuator design
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Support for switch type (on/off) as well as modulating/regulating control
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Torque ranges from low to high capacity (tens to thousands of Nm)
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Options for multi-turn, part-turn, and linear motion
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Suitable for integration into automated process control systems
Typical Selection Notes (For Technical Use)
| Actuator Type | Typical Motion | Typical Application |
|---|---|---|
| Multi-Turn Electric Actuator | Continuous rotation | Multi-turn valves (gate, globe, valve packs) |
| Part-Turn Electric Actuator | Up to 90° rotation | Butterfly valves, ball valves, plug valves |
| Linear Electric Actuator | Linear travel | Linear valves and stroke devices |
| Nuclear Power Grade Actuator | Special compliance | Nuclear auxiliary systems |
Changzhou Power Station Auxiliary Equipment Co., Ltd.
Product Categories & Representative Models
The company manufactures intelligent electric valve actuators, including multi-turn, part-turn, linear, and nuclear-grade models for industrial valve automation systems.
1. Multi-Turn Electric Actuators
Designed for continuous rotation applications such as gate valves, globe valves, and control valves.
Main Series
SND-Z Series (Switch Type Multi-Turn)
Typical torque range: approx. 50–1200 N·m
Representative models:
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SND-Z25T-18S
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SND-Z60T-18S
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SND-Z120T-18S
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SND-Z25T-24S
SND-ZTD Series (Modulating Type Multi-Turn)
Used for regulating control applications
Torque range: approx. 50–900 N·m
SND-ZE Series (High Torque Multi-Turn)
Higher torque output versions
Torque range: approx. 50–2500 N·m
Multi-Turn Gear Reducer Units
Used to increase torque output
Typical output range: 1800–2500 N·m
2. Part-Turn (Quarter-Turn) Electric Actuators
Used for butterfly valves, ball valves, and plug valves (typically 90° rotation).
Main Series
SND-Q Series (Switch Type Part-Turn)
Representative torque classes:
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SND-Q05 (~50 N·m)
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SND-Q10 (~100 N·m)
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SND-Q20 (~200 N·m)
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SND-Q40 (~400 N·m)
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SND-Q60 (~600 N·m)
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SND-Q120 (~1200 N·m)
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SND-Q180 (~1800 N·m)
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SND-Q300 (~3000 N·m)
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SND-Q500 (~5000 N·m)
SND-QTJ Series (Modulating Type Part-Turn)
Used for flow regulation and precise positioning control.
SND-QF Series
Variant models for specific industrial configurations.
Part-Turn Gear Reducers
Used to increase angular torque capacity.
3. Linear Electric Actuators
Provide linear motion output for linear-stroke valves and control devices.
Product Type
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Electric Linear Actuator Units (custom stroke & thrust configurations)
Specifications typically customized per project:
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Thrust force
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Stroke length
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Travel speed
4. Nuclear Power Equipment
High-reliability actuator systems designed for nuclear-grade applications.
Product Types
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Nuclear-grade electric actuators
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Nuclear-grade pneumatic actuators
Designed for:
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Safety-critical systems
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High-reliability environments
Model Naming Explanation
Example:
SND-Z60T-18S
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Z = Multi-turn actuator
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60 = Torque class
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T = Torque-controlled type
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18S = Output speed (18 r/min type)
Example:
SND-Q120
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Q = Quarter-turn actuator
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120 = Approximate torque rating (N·m class)
Product Classification Summary
| Category | Main Series | Application |
|---|---|---|
| Multi-Turn | SND-Z / ZTD / ZE | Gate & globe valves |
| Part-Turn | SND-Q / QTJ / QF | Butterfly & ball valves |
| Linear | Linear Actuator Units | Linear control valves |
| Nuclear Grade | Special Electric & Pneumatic | Nuclear systems |