Pilot Operated Safety Valve (POSV)

Advanced pilot-operated safety valves designed for high-pressure systems. Utilizes system pressure to maintain a tight seal, allowing safe operation up to 98% of set pressure without leakage or chatter. Ideal for oil and gas pipelines, compressor stations, and chemical industries.

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Description

Advanced Overpressure Protection for High-Pressure Applications

A Pilot-Operated Safety Valve (POSV) is a state-of-the-art pressure relief device consisting of a main valve controlled by a self-actuated auxiliary “pilot” valve. Unlike conventional spring-loaded valves, our POSV intelligently uses system pressure to maintain a tight seal. This advanced design allows the system to operate at up to 98% of set pressure without leakage, offering superior performance, significantly reducing valve chatter, and providing highly reliable overpressure protection.

Key Industry Applications: Designed for high relief capacity and absolute reliability, these valves are the ideal choice for systems with stringent high operating pressure requirements where conventional valves might fail, leak, or chatter. They are widely used across:

  • Oil and Gas Pipelines

  • Compressor Stations

  • Chemical and Petrochemical Plants

Additional information

Nominal Size

NPS 1” ~ 8”

Pressure Rating

ANSI Class 150 ~ 2500

Operating Temperature

-29°C ~ +425°C

Body Material Grade

A216 WCB, A217 WC6, A217 WC9, A351 CF3/M, A351 CF8/M, A352 LCB (Other materials on demand)

Internal Parts Material

A182 F304, A182 F316/L, N04400, N10276 (Other materials on demand)

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