Model &Name: ZZYP(PR), ZZYN(M) Series Direct-Operated Regulator
Characteristics:No extra outer power needed, combined withmeasurement, feedback, actuation
functions;Balanced plug with ahard seal of Class IV leakage and a soft seal (PR) of Class VIleakage;Pressure
closed type(B) and pressure open type (K) available with convenient pressure adjustmentsetting;Diaphragm,
piston,and bellow type actuators available;Widely used in thepressure reducing, pressure relief, pressure
stabilizing control of gas,liquid, steam medium in petroleum, natural gas, chemical, metallurgy, powerplant,
light industry, food industries.
NominalDiameter (DN): 20~300mm
NominalPressure (PN):1.6、4.0、6.4MPa
Pressure Adjusting Range: 15-5700kPa (sectional)
OperationTemperature (℃): Diaphragm, piston types, soft seal: -10~+70; Fluorine rubber sealwith
cooler: ≤250; Bellowhard seal: ≤400
Material:WCB, 302, 304, 316
Flange Standards: JB/T79-94