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San-ei LNG Air cranes

SAN-EI Specialized Machinery




Customized Pneumatic Industrial Equipment

SAN-EI SEIKI SEISAKUSHO develops a variety of specialized pneumatic machinery based on its long experience in compressed-air equipment design. These machines are custom-designed for specific industrial environments where safety and reliability are critical, especially in hazardous locations such as LNG terminals, steel plants, and chemical facilities.

The company combines its pneumatic technologies—such as air motors, air hoists, and air winches—to design customized equipment tailored to the needs of each customer.

A key requirement from customers is safe operation in dangerous environments, and SAN-EI provides specialized machinery that can operate safely in areas where electrical equipment might create risks.


1 Main Types of Specialized Equipment

The specialized machinery developed by SAN-EI mainly includes customized pneumatic lifting and industrial equipment.

1.1 Jib Crane Type

The jib crane type pneumatic crane is designed for lifting operations in industrial plants.

Features

  • Pneumatic drive system

  • Safe operation in hazardous environments

  • Compact structure suitable for restricted spaces

  • Reliable lifting performance

Applications

  • Industrial production lines

  • Heavy equipment maintenance

  • Hazardous work areas


1.2 Telescopic Jib Crane Type

This type of crane uses a telescopic arm structure, allowing flexible lifting operations over a wider working range.

Features

  • Adjustable working radius

  • Pneumatic lifting system

  • Flexible installation

Applications

  • LNG terminals

  • Industrial warehouses

  • Offshore facilities


1.3 Monorail Type Pneumatic Crane

The monorail type system is designed for moving loads along a fixed rail track.

Features

  • Smooth movement along rail systems

  • Suitable for continuous production lines

  • Pneumatic lifting mechanism

Applications

  • manufacturing plants

  • assembly lines

  • automated logistics systems


2 Specialized Equipment Examples

SAN-EI provides several specialized machines designed for specific industries.

2.1 LNG Terminal Crane

A specialized crane designed for LNG terminals, where electrical sparks must be avoided.

Characteristics

  • Pneumatic drive

  • Explosion-safe operation

  • Suitable for cryogenic facility environments


2.2 Blast Furnace Crane (Steel Industry)

SAN-EI also produces cranes designed for use near blast furnaces in steel plants.

Features

  • High heat resistance

  • Reliable operation in heavy industrial environments

  • Pneumatic power system


2.3 Naval Escort Feeding Hoist Crane

A specialized hoist crane used in naval operations for handling materials and equipment.

Characteristics

  • High reliability

  • Designed for marine environments

  • Pneumatic lifting mechanism


2.4 Cleanroom Air Hoist (Pharmaceutical Industry)

SAN-EI provides special air hoists for cleanroom environments, such as pharmaceutical manufacturing plants.

Features

  • Clean and oil-controlled operation

  • Suitable for sterile environments

  • Precise lifting control


2.5 Air Polisher

SAN-EI also develops pneumatic polishing equipment.

Applications

  • surface finishing

  • industrial polishing

  • maintenance operations


3 Advantages of Pneumatic Specialized Machinery

Specialized machinery using compressed air offers several advantages compared with electric equipment.

Safety in Hazardous Environments

Compressed air systems do not generate sparks, making them safe in explosive atmospheres.

Reliable Operation

Even under overload conditions, air-powered systems typically slow down rather than overheating or burning out.

Self-Cooling

Air motors and pneumatic devices naturally cool during operation due to compressed air expansion.

Flexible Control

Speed and force can be easily controlled by adjusting air pressure and flow.


4 Industries Using SAN-EI Specialized Machinery

These customized pneumatic machines are widely used in:

  • LNG terminals

  • steel manufacturing plants

  • shipbuilding industry

  • offshore oil and gas facilities

  • pharmaceutical production plants

  • hazardous chemical plants