At present, there are a large number
of production safety valve spring and leveraged two broad
categories. There are also impulse-type safety valve, pilot-type
safety valve, safety valve switching, security, decompression
valve, safety valve, such as static weight. Mainly depend on
spring-loaded safety valve spring and the work force, and
spring-loaded safety valve in the closed and non-closed general
flammable, explosive or toxic media should be chosen behind closed
doors, steam or inert gas can be chosen, such as closed type, in
the spring-loaded safety valve with wrench in there and without
wrench. The role of wrench valve is mainly to check the degree of
flexibility, in some cases can be used as a manual for emergency
relief, and in Figure 3. Lever-type safety valve lever to rely
mainly on the weight of the work force, but the lever-type safety
valve size often limit the choice of scope. Selection of a higher
temperature when the safety valve with radiator.
The main parameter is the safety valve displacement, the
displacement determined by the caliber of the valve seat and valve
opening height, height from the different open and divided into
Enlight and two full-Kai style. Enlight-type refers to the open
valve seat height of throat diameter of 1 / 40 ~ l/20. Kai-type
refers to the entire valve seat height of the open throat diameter
of 1 / 4.
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