Cryogenic Pilot Operated Pressure/Vacuum Relief Valve

Series 9900 can work at-196c conditions, and have been already used in petroleum, natural gas transfers and air-separating industries, providing effective protection for the tanks which stores ultra-low temperature materials.

Features

Designed and tested according to API2000；
Size 2” through 12”；
Pilot control keeps high seats forces all the way to set point, eliminating product losses;
Snap action opening permits full opening at set pressure, allowing for higher settings and overcoming freezing or sticking problems;
The material of the valve is TEFLON；
Modula construction；
Pilot selection allows a choice between rapid snap opening action and proportional modulating action to best suit the process；
Valve function can be verified on-line without removing the valve to a test bench;
The inlet and outlet flange are in according with ANSI B 16.5 150Lb RF（It can be designed according to users’ requirement）；