Air compressor 4) safety pneumatic valve selection

choose pneumatic air compressor safety valve by pneumatic valve nominal working pressure safety determination, temperature from decisions pressure pneumatic valve spring constant calculated value or lever set pressure range, by the operating temperature range safety pneumatic valve, pneumatic valve safety according to the decision to use material and the structure of the news media type, and then according to the calculated emission pneumatic valve, pneumatic safety valve throat diameter. General rules for safety pneumatic valve selection are as follows.
( l） Hot water boiler is not closed with a wrench safety mini rev type pneumatic valve.
( ） Steam boiler or steam pipe wrench generally do not shut the safety pneumatic valve.
( ） , water and other liquids can't closed compressed medium fine-tuning pneumatic valve, pneumatic valve safety relief or general purpose.
( ） High pressure water closed-circuit generally use safety pneumatic valve, such as high pressure feed water heater, heat exchanger.
( ） Gases and other commonly used closed pneumatic valve, such as gas cylinder, gas pipelines, compressible medium.
( ） E general use static weight type steam boiler safety pneumatic valve.
( ） Large diameter, large displacement and high pressure system with general pulse equipment such as temperature and pressure, boiler, etc. , as shown in figure, pneumatic valve.
( ） Liquefied gas train tank car, car tank, storage tank generally use the built-in safety of shipping, pneumatic valve.
( ） Tank top general, hydraulic pneumatic valve, when using pneumatic valve must be in conjunction with breathing.
( ） Underground drainage or gas pipeline pilot operated safety is commonly used in pneumatic valve.
( ） Liquefied petroleum QiZhan liquid-phase reflux tank pump discharge pipe on the safety of the pneumatic valve is normal.
( ） May produce negative pressure in the process of negative pressure or operating systems generally use pneumatic vacuum negative pressure safety valve.
( ） Back pressure volatile and toxic flammable pipeline system for container or pneumatic valve bellows is commonly used in security
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