Safety Device -B

Size：1"- 12".
Class：150 lb -900 lb.
Temperature：+538 ° C.

Feature
Three –way design provides dual pressure relief device system which is installed on one position, one is active for overpressure protection, the other is kept in reserve as a standby.
The operation of crossover is safe, handy and fast.
Process shutdown is not needed when crossover, so high cost due to unscheduled shutdown can be saved.
A vent valve is provided under each safety valve, to relieve fluid out of the pipe before the isolated safety valve which is to be dismantled.
Balance valve of the quick crossover device provides low actuation torque, so crossover is very handy.
Meets temperature applications from cryogenic to high.
Good lest tightness, even after switching many times.