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Self-operated Pressure Regulator is composed of the control valve, actuator and a spring used for pressure setting.
It is suitable for controlling input/upstream pressure of valve(when the upstream pressure rises then the control valve is opened) or output/downstream pressure(when the downstream pressure rises then the control valve is closed) in the pipes of non-corrosive liquids, gases and steams.
It is widely used in such industries as petroleum, chemical industry, power plant, metallurgy, medicine, food industry, textile, machinery, heating and ventilating, etc.
Trim features: cage guided, balanced trim
Body type: straight-through type
Bonnet type: standard type
Flow characteristic: quick open
Size: DN15-300(1/2''-12'')
Pressure class: PN1.6, 4.0, 10.0 Mpa(ANSI 150, 300LB, 600LB)
Leakage class: ASME B16.104 Ⅴ(soft seal), ASME B16.104 Ⅳ(metal to metal seal)
Pipe connection type: flange type
Set value error: ±8%
Applicable temperature range: -30℃ ～ 250℃
Actuator type: diaphragm actuator(self-operated),piston actuator(self-operated)
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Self-operated Pressure Regulator