三協製作所 List of Products and Services

- Obtained approval for the use of NKN and GF codes, which correspond to the international regulations IGC Code and IGF Code, as a relief valve for liquefied gases. - Maintains high seat tightness even at ultra-low temperatures of minus 165°C, ensuring stable operation to protect equipment in the event of pressure anomalies. Relief valve, relief valve, safety valve.

• Other machine elements
• valve

This catalog is a comprehensive product catalog featuring the products handled by Sankyo Seisakusho Co., Ltd. We offer high-pressure gas certified cylinder valves and a series of secondary pressure regulating valves (pressure reducing valves) that have obtained LR type approval. Additionally, we have detailed product catalogs for each type of valve available. Please make use of this to assist in selecting products that meet your needs. [Contents] ■ Cylinder valves - High-pressure gas certified and LR type approved ■ Diaphragm operated valves (regulating valves) - High-pressure gas certified and LR type approved ■ Secondary pressure regulating valve (pressure reducing valve) series - High-pressure gas certified ■ Primary pressure regulating valves - High-pressure gas certified ■ Safety and relief valves - High-pressure gas certified and NK approved for liquefied gas safety valves ■ Solenoid valves - LR, BV type approved, Ministry of Defense type approved ■ Float switches - LR, BV, NK, DNV-GL type approved ■ Float gauges - LR, NK type approved ■ Temperature regulating valves ■ Control panels ■ Factory equipment, etc.

• Other machine elements
• valve
• Liquid level control/level switch

This valve uses a cylinder in the drive unit and operates the valve ON-OFF by turning the supply air on and off. It is a remote-controlled ON-OFF control valve for various fluids. This catalog features the cylinder valves manufactured by Sankyo Seisakusho Co., Ltd. We hope this will be helpful in selecting products that meet your needs. [Contents] ■ Cylinder valves - Certified for high-pressure gas and obtained LR type approval.

• Other machine elements
• valve
• Liquid level control/level switch

The diaphragm (rubber) is used in the drive section, and by changing the operating air pressure and adjusting the valve opening, the flow rate of the fluid is controlled. This catalog features diaphragm valves manufactured by Sankyo Seisakusho Co., Ltd. We hope it will be useful for selecting products that meet your needs. [Contents] ■ Diaphragm Control Valve (Regulating Valve) - High-pressure gas certified product, LR type approval obtained.

• Other machine elements
• valve
• Liquid level control/level switch

The drive unit uses a motor to change the electrical signal and adjust the valve opening to control the flow rate of the fluid. This catalog features electric valves from Sankyo Seisakusho Co., Ltd. We hope it will be helpful in selecting products tailored to your needs. [Contents] ■ Electric control valves (regulating valves) certified for high-pressure gas.

• Other machine elements
• valve
• Liquid level control/level switch

The secondary side fluid pressure is adjusted independently. It is used for automation in industrial plants and ships. This catalog features the secondary pressure regulating valves (pressure reducing valves) from Sankyo Seisakusho Co., Ltd. Please make use of it for selecting products that meet your needs. [Contents] ■ Secondary Pressure Regulating Valve (Pressure Reducing Valve) Series - High-Pressure Gas Certified Products

• Other machine elements
• valve
• Liquid level control/level switch

We will adjust the primary side fluid pressure by ourselves. It is used for industrial plants and ships as oil return adjustment for FO, LO, etc., and as a relief valve. This catalog features the primary pressure regulating valves manufactured by Sankyo Seisakusho Co., Ltd. Please make use of it for selecting products that meet your needs. 【Contents】 ■ Primary pressure regulating valve - Certified for high-pressure gas

• Other machine elements
• valve
• Liquid level control/level switch

This is a valve that operates during abnormal pressure increases due to spring force, preventing the destruction of tanks, piping, and equipment. This catalog features safety valves and relief valves from Sankyo Seisakusho Co., Ltd. We hope it will be useful for selecting products tailored to your needs. [Contents] ■ Safety and relief valves - Certified for high-pressure gas; approval obtained for use with NK liquefied gas safety valves.

• Other machine elements
• valve
• Liquid level control/level switch

The drive unit uses an electromagnetic coil to control the ON-OFF of the valve through electrical switching. We manufacture large-diameter valves that are not available from other companies. This catalog features the electromagnetic valves from Sankyo Seisakusho Co., Ltd. Please make use of it for selecting products that meet your requirements. [Contents] ■ Electromagnetic valves LR, BV type approval obtained, Ministry of Defense type approval obtained

• Other machine elements
• valve
• Liquid level control/level switch

The liquid level in the tank is detected by a float, and it is used as a switch to trigger alarms and other notifications. This catalog features float switches manufactured by Sankyo Seisakusho Co., Ltd. Please use it to assist in selecting products that meet your needs. [Contents] ■ Float Switches: LR, BV, NK, DNV·GL type approval obtained

• Other machine elements
• valve
• Liquid level control/level switch

Detects the liquid level in the liquid tank using a float and displays the liquid level. This catalog features float gauges from Sankyo Seisakusho Co., Ltd. Please use it to assist in selecting products that meet your needs. 【Contents】 ■ Float gauges LR and NK type approved.

• Other machine elements
• Liquid level control/level switch
• Weighing Control

We will launch the S-K179S float gauge with alarm contacts. Features: 1. High precision and high durability liquid level gauge utilizing a spring mechanism. 2. Easy installation and adjustment. 3. Alarm contacts can be installed. 4. Dual display of liquid level height and capacity. 5. Greater flexibility in choosing installation locations. 6. Reduced risk of mistakes during installation.

• Other machine elements
• valve
• Liquid level control/level switch

This is a valve that detects temperature with a temperature sensing part and adjusts the flow rate of the heat transfer fluid by changing the valve opening, thereby maintaining a constant temperature. This catalog features temperature control valves manufactured by Sankyo Seisakusho Co., Ltd. We hope it will be useful for selecting products that meet your needs. 【Contents】 ■ Temperature Control Valves

• Other machine elements
• valve
• Liquid level control/level switch