Installtion principles of safety relief devices
That belongs to one of the following conditions must install safety relief devices.
(1) The container that the pressure source is higher than or may be higher than containers maximum allowable working pressure.
(2) As a result of medium physical changes or chemical changes, the container that the internal pressure may exceed the maximum allowable working pressure.
(3) Filled with compressed gas or liquefied gas container.
(4) heat evaporation and exchange process, the container that pressure may in excess of the maximum allowable working pressure.
(5) the fluid hydraulic equipment that the pressure is likely to exceed the maximum allowable working pressure.
(6) The pressure source does not have the safety valve container.
