Pilot Operated

Modulating - Pop Action

Pilot operated pressure relief valve is a pressure relief valve in which the major relieving device or main valve is combined with and controlled by a self-actuated auxiliary pressure relief valve(pilot).

Pilot operated safety relief valve is designed to open at a predetermined pressure and protect a vessel or system from excess pressure by removing or relieving fluid from that vessel or system.

This type of safety valve meet all the requirement of ASME SECIII, API 520, API 521, API 526 such as orifice area, sizing procedure, dimension, pressure rate, flange connection size.


• 100% Compatibility to API 526
• Full lift at set pressure
• Adjustable blow down
• Control pilot can be mounted remotely
• Seals more tightly
• No affected by back pressure


• Oil and Gas Industry
• Chemical Industry
• Petrochemical Industry
• Power
• Technical Gases

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