Safety Valve Quick Crossover Device-A

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.