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Pneumatic Single Acting Spring Stainless Steel Metal Seal Trunnion Ball Valve
Main Features
Metal Sealing: Metal-to-metal sealing is adopted, which has higher wear resistance and high-temperature resistance, and is suitable for handling highly corrosive media.
Pneumatic Single-acting Spring Actuator: Equipped with a pneumatic actuator that supports single-acting operation. When the air source fails, the spring can automatically return the valve to the safe position, ensuring the safety of the system.
Stem Design: The valve stem is supported by bearings, which reduces the operating torque and improves the stability and reliability of the valve. It is especially suitable for large-diameter and high-pressure working conditions.
Fire Safety Design: It complies with the API 607 fire safety standard and can maintain its sealing performance in extreme situations such as fires.
Anti-static Device: It has a built-in anti-static device to ensure electrical continuity among the valve stem, ball, and valve body, reducing the safety risks caused by static electricity.
Anti-blowout Valve Stem Design: The valve stem design includes a protective sleeve to prevent the valve stem from being blownout under high pressure.
Emergency Sealing Injection System: When the soft sealing material is damaged due to fire or other accidents, a sealant can be injected through the sealant injection device to provide additional sealing guarantee.
Multiple Connection Methods: It provides various end connection methods such as flange connection and butt welding connection to meet different installation requirements.
Technical Specifications
Size Range: 2"~60" (DN50~DN1500)
Pressure Rating: 150LB~900LB (PN20~PN160)
Applicable Temperature: -46℃~350℃
Applicable Medium: Water, gas, oil, corrosive chemicals, etc.
Materials:
Valve Body: Stainless steel
Valve Disc: Stainless steel
Valve Stem: Stainless steel
Valve Seat: Metal seal
Design Standards:
Design: API 6D, ASME B16.34
Flange Connection: ANSI B16.5
Testing: API 598, API 6D
Actuator: Pneumatic single-acting spring actuator, with a working pressure range of 4-8 bar (58-116 psi).
Application Fields
Petroleum and Natural Gas Industry: Used for oil and gas transportation, wellhead isolation, pressure testing, etc., and it is especially suitable for occasions requiring high reliability and fire safety.
Chemical Industry: Used to handle highly reactive chemicals to ensure process safety.
Water Treatment Industry: Used for drinking water, sewage treatment, seawater desalination, etc., to ensure water quality safety and efficient system operation.
Municipal Engineering: Used in water supply and drainage systems to ensure water quality safety and pipeline maintenance.
HVAC Systems: Used for the control of media such as cooling water and hot water.
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