note: types and specifications of safety devices need to be calculated and selected according to the specific working conditions of the protected equipments and systems before quotations.
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1、liquid-pressure style safety valve is a assists nt equipme nt of the breathing valve (moving disc style),the active pressureof aspiration and expiration i s higher than breathing valve (moving disc style), as upon once the breathing valve does not work in winter, the moving disc will be frozen, the liquid seal of the liquid-pressure style safety valcan be broken for protecting the oil tank.
2、liquid-pressure safety valve will be in stalled in top of oil tank and assorted used with breathing valve.
3、the control pressure: 56mm water column to-50mm water column.
main external dimensions