Safety Valve Quick Crossover Device-A

Size：1"- 8".
Class：150 lb -600 lb.
Temperature： 260 ° C.

Three –way Y-shape 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, it costs no more than one minute.
The quick crossover device protects workers from being exposed in dangerous environment.
Process shutdown is not needed when crossover, so high cost due to unscheduled shutdown can be saved.
The red handle indicates which side is active remarkably,
A vent valve is provided under each safety valve (and rupture disc), 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 +260.
Floating seat is helpful to keep sealed, even after switching many times.
Provides less than 3% pressure drop to the active save inlet, in accordance with API RP 520 part II.