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Safety valves

On the basis of several possible conditions of any failure, high blood pressure may occur in parts of the system and mechanical relief devices are recommended or obligatory. The requirements that must be followed are described in detail in European Safety Standard EN378 (2008) and Institute of Refrigeration Safety standards. The standard form of the safety relief valve spring plunger valve.

Plunger relief valves, if he is outside, and must be protected against penetration of rainfall, which may have a negative influence on the seat. Steel valves, when installed, must have poured a little oil in the seat lid, as corrosion protection. To prevent excess pressure at the inlet of the compressor relief valve, or explosive, often set between the intake and exhaust.....

 
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