ОК 51 серия 2/2 нулевого давления начать диафрагму так

Application Application of gas fuel, environmental protection equipment, humidification equipment, HVAC, water treatment, boilers, packaging machinery, textile printing and dyeing, cleaning equipment, garden sprinkler, drink beer, food processing, and other control systems. Tech Data Normal size DN5-50 Principal structure Direct action,step by step direct action Body material Brass,SS304,Special SS316 Diaphragm NBR,FKM,EPDM,silica gel Ambient temperature -10°C +60°C(explosion proof-20°C +50°C) Fluid temperature C2 series:-10°C 80°C,C3 series:-10°C 120 Fluid Gas, liquid Viscosity ≤22mm2/S Ports Inner thread(GB or NPT) Install Horizontally, coil up. (NO VERTICAL) protect level IP65(A and explosion proof),IP54(icon-clad coils). Options Model Name Description K NO. close when energized, open when de-energized E Explosion proof (flameproof) Explosion proof level:Ex dII BT4 AE Explosion (pouring closure type) Explosion proof level:Ex m I/II BT4 A Configuration and technology Use of plastic coil, forging Valve T time controller seat time for open and close * Pouring closure type explosion proof certificate NO.:GYB071065X,only DN≤25mm types; * flameproof type explosion proof certificate:GYB071066,DN10 50mm; * Models of non-A, said icon-clad coil and cast body. Electrical dataVoltage 220V,110V,24V AC 50/60Hz24V,12V DC Rated Power explosion proof AC:17VA; DC:20WUse the parameters table for ordinary-types. Pressure Tolerance ±10%Electrical Connection ordinary-types: standard breakout boxpouring closure type: M14*1.5,1.5M conducting wireflameproof: M14*1.5, connection box* Above is the power at smooth of work, and the start power is higher.