BRAND : Ast
These valves represent the capability of AST to develop special valves for customer needs.
These valves represent the capability of AST to develop special valves for customer needs.
Supplementary Loaded Safety Relief Valves (SLSV)
This is a standard safety valve equipped with a secondary spring and a double acting pneumatic piston controlled by a redundant system.This valve may be used when the difference between set pressure and operating pressure is less than 10%; in this case the leakage through the seats is greatly reduced or eliminated. Blowdown can also be controlled and kept between 3 and 4%.
