High pressure spring loaded safety relief valves

Description

Closed safety valve bonnet is closed, giving to prevent the intrusion of dust and debris, to prevent the overflow of toxic and flammable media. With a wrench is when the medium pressure reaches more than 75% of the pressure, can use a wrench to do manual opening. The large diameter is suitable for continuous reforming of oil refining, 300,000 tons of ethylene, urea fertilizer, power plants and so on.

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