Emergency action is to prevent the discharge of ammonia refrigeration equipment cause an explosion when generating the accident, the cooling system of ammonia in the presence of a large number of containers (such as ammonia storage device, an evaporator, etc.) in liquid ammonia is discharged by this container, while the connection Fire valve open, the liquid ammonia into the water, to prevent accidents. Structure consists of two different diameter seamless steel tubes welded together after set. Inserted into the small diameter of the large diameter seamless steel casing has opened a lot of the liquid side holes, shell side of a water pipe access case, when the emergency discharge of ammonia, a lot of water injected into the lateral pipes, the liquid will be small hole sprayed ammonia dissolved in water, the solution put into the sewer from exports. Design pressure and test pressure test pressure: pressure test: 2.5MPa tightness test: 2.0MPa Design pressure: 2.0MPa Design temperature: 42 ° C refrigerant: R717 Model JXA ---- 108 JXA ---- 133 JXA ---- 159