## **Keihin Co., Ltd. – Company & Product Overview**
**Keihin Co., Ltd.**, established in 1972 as a key player in the valve manufacturing industry in Japan, is a global provider of precision-engineered fluid control solutions. The company specializes in the design, production, and sale of industrial valves including solenoid valves, motorized ball valves, constant flow valves, and other automated control components. With a strong engineering foundation and a commitment to quality, Keihin supports a wide array of industries such as transportation, energy, building automation, and food processing.
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## **Company Profile**
* **Company Name:** Keihin Co., Ltd.
* **Founded:** 1972
* **Headquarters:** Higashikanagawa, Kanagawa-ku, Yokohama, Japan
* **Core Business:** Design, manufacturing, and global distribution of industrial valves
* **Employee Base:** Approximately 50
* **Specialties:** Precision valves for fluid control, irrigation systems, and custom valve solutions
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## **Product Categories**
Keihin offers a broad portfolio of valves and fluid control components, including:
### **1. Solenoid Valves**
Electromagnetically actuated for rapid response and precision shut-off or switching in fluid systems.
### **2. Motorized Ball Valves**
Equipped with electric actuators (AC/DC) to provide proportional control or emergency shutoff. Widely used in HVAC and building management systems.
### **3. Constant Flow Valves**
Designed to maintain a stable flow rate regardless of upstream pressure fluctuations, ideal for water-saving systems and energy efficiency.
### **4. Check Valves / Level Control Valves**
Prevent reverse flow and control fluid levels in tanks or systems. Anti-chatter designs make them suitable for marine and fuel environments.
### **5. Air-Operated Valves**
Pneumatic operation for use in explosive or clean room environments where electrical components are not permitted.
### **6. Manual Valves / Custom Valves**
Durable, reliable valves for manual fluid control or tailored system integration.
### **7. Irrigation Systems**
Complete design and component supply for agricultural and industrial irrigation flow management.
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## **Applications**
Keihin's valve systems are deployed in a wide range of sectors:
* **Rail Transport:** Solenoid valves used for controlling braking and horn systems in trains, including high-speed rail.
* **Marine Engineering:** Used in fuel purification and lubrication systems for engines and generator sets.
* **Power Generation:** Valves capable of withstanding high pressure and temperature conditions used in nuclear and thermal power plants.
* **Retail & Water Saving:** Flow regulation valves used in bathrooms, kitchens, and retail spaces for efficient water use.
* **Food Industry:** Hygienic, clean-operation air valves used in food machinery where electric components are restricted.
* **Building Automation:** Motorized valves used in air conditioning, heating, and ventilation systems, especially in hospitals and commercial facilities.
* **Semiconductors & Clean Tech:** Valves used for fluid transport in high-precision manufacturing and lab environments.
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## **Technical Strengths**
### **Japanese Engineering**
Keihin’s products are entirely developed and manufactured in Japan, ensuring high standards in precision, durability, and quality control.
### **Customization Capabilities**
Beyond standard models, Keihin provides bespoke valve solutions tailored to complex system specifications and environmental demands.
### **Compact and Reliable Design**
Many of the company’s products are designed to be compact yet powerful, featuring smooth flow control and long operational life.
### **Global Reach**
Keihin serves a global client base through direct exports and support networks, offering both single-unit and large-volume orders.
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## **Representative Models by Type**
| **Category** | **Model Examples** | **Features** |
| --------------------- | ------------------ | --------------------------------------------------- |
| Solenoid Valves | KSV-101, KSV-102 | Compact body, quick response, anti-corrosion models |
| Motorized Ball Valves | KMV-30, KMV-50 | AC/DC drive, proportional or shutoff configuration |
| Constant Flow Valves | KCF-10, KCF-20 | Maintains fixed flow, energy-efficient |
| Check / Level Valves | KLV-80, KCV-60 | Prevents backflow, stable float or sensor control |
| Air-Operated Valves | KAV-12, KAV-24 | Clean environment use, no electric parts |
| Manual Valves | KHV-20, KHV-40 | High durability, user-friendly operation |
(\*Model names are illustrative and typical of the company's naming conventions.)
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## **Conclusion**
**Keihin Co., Ltd.** is a leader in the design and manufacturing of high-performance valve systems in Japan. Their broad product range supports automation and energy management across many industries, from trains and power plants to hospitals and food factories. With a reputation for precision, reliability, and customization, Keihin continues to serve as a trusted global partner in industrial fluid control solutions.
| KEIHIN | VD-2020-25AUKCMF-X |
| KEIHIN | ADF-20R |
| KEIHIN | VD-2020-20AUKCMF SIZE:20 MIDIA:OIL DC110V MAX120℃ NOR.OPEN PRESSURE:0-25KG/CM2 |
| KEIHIN | KRW-1P():KRW2-SP-20 |
| KEIHIN | VSPD-2040-15WAG 100VAC |
| KEIHIN | VD-2020-2AHKMJ Connection : 1PT 3/4" Rated voltag: 110V/50 Hz Drawing No.:V-V6-52E Action: NC |
| KEIHIN | YSP2-25GMJ Connection : 1" NPT Rated voltag: 110V/50 Hz Drawing No.:V-Y1-11E Action: NC |
| KEIHIN | YSF2-32SHMJ Connection : 1 1/4 (32mm) Rated voltag: 110V/50 Hz Drawing No.:V-Y7-56E Action:NC Flane ratting : ANSI 150LB |
| KEIHIN | KLW-SSP-25-HYE MAX 90℃ |
| KEIHIN | VLD3-2040-15AUKCJ 110v |
| KEIHIN | BD-20ATJ：BD-20FTJ 220V/60HZ |
| KEIHIN | BD-15ATJ：BD-15FTJ 220V/60HZ |
| KEIHIN | VSPD 2030 15-WN |
| KEIHIN | KMS-SP-1P 15SDH |
| KEIHIN | KLS-SF-N50-1KJ |
| KEIHIN | TX350-1DSR-25：TX350-1DSR+SKL-25 |
| KEIHIN | TX350-2DSR-32：TX350-2DSR+SKL-32 |
| KEIHIN | TX350 1DSR-25 |
| KEIHIN | TX350-MSSR-15：TX350-HSR+SKL-15 |
| KEIHIN | TX350-1DSR-325-25 |
| KEIHIN | FX-3000-15P-3S-E0.25 Cv=2.0DC24V |
| KEIHIN | VLD3-2060-15AHKMJ 110V |
| KEIHIN | VSPD-2040-15GMJ 110V |
| KEIHIN | VKD-15WGMJ 110V |
| KEIHIN | VLD3-2060-15AHKMJ AC110V 50HZ |
| KEIHIN | VSPD-2040-15GMJ AC110V 50HZ |
| KEIHIN | KMW-SP-25 AC100V 50/60HZ 0-0.5MPA |
| KEIHIN | GVD-25GTJ-X |
| KEIHIN | KLS-SF-N50-1KJ DN50 AC200V 180°1Mpa |
| KEIHIN | ：VD-2020-20AUKMF-X DC110V ：V-62174 |
| KEIHIN | VSD3P-15AUKD ，：120℃ 220V 50/60HZ ，。 |
| KEIHIN | VBD10-40MD |
| KEIHIN | ME6D-C0921-CO AC110V 50HZ |
| KEIHIN | JDSPE5-15WLMF 110V |
| KEIHIN | VKD-20WGMJ 220VAC |
| KEIHIN | JDSPE3-15WLMF 110V |
| KEIHIN | KLW-SSP-25 200W 200V 50HZ |
| KEIHIN | FX-3000-15P-3S-E0.6-20 DC24V S/N:FEA15P-1120 MFG.NO.01185 |