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Pneumatic Regulating Butterfly Valve
The pneumatic piston-type control butterfly valve is a rotary pneumatic control valve with the advantages of small size, light weight and large rated flow, which is especially suitable for large bore, large flow, thick and turbid slurry or boiler flue gas control. This series of products includes three types: standard, high temperature type and sealed type. Technical parameters and performance indicators Valve body: WCB, HT200, ZG230-450, ZG1Cr18Ni9Ti Valve plate: carbon steel, 1Cr18Ni9Ti Long axis: 1Cr18Ni9Ti Valve seat: carbon steel, stainless steel lined with synthetic rubber or reinforced polytetrafluoroethylene Internal bearings: Bronze, stainless steel overlay titanium alloy Packing: polytetrafluoroethylene, flexible graphite Valve cover: carbon steel Nominal pressure: 0.1, 0.25, 0.6, 1.0, 1.6, 2.5Mpa Caliber: 50mm to 1000mm Leakage level: Level II, Level VI Traffic characteristics: Approximately equal percentage Scope of Application Urban construction, chemical industry, metallurgy, petroleum, pharmaceuticals, food, beverage, environmental protection Detailed technical coefficient Nominal pressure MPa 0.6 Rated angle ° 70 Signal pressure KPa 20~100 Approximate equal percentage of traffic characteristics Medium temperature ℃ -20~200 (normal temperature); -40-450 (medium temperature); -40~600 (high temperature) Connect the flange of the takeover according to JB78-59 clamp type flange connection Signal connection screw hole M16 × 1.5 Equipped with thin film actuator ZMA-2 ZMA-3 ZMA-4 ZMA-5 Piston type ZSC-45 Valve body material ZG230-450; 1Cr18Ni9; ZG1Cr18Ni9Ti、ZGOCr18Ni12Mo2Ti Can be equipped with accessories such as handwheel, locator, air filter pressure reducer, etc. Ordering Instructions Name and model of regulating valve Nominal pressure Mpa Nominal diameter (mm) Rated flow coefficient (Kv) Inherent flow characteristics medium name Working temperature and range Operation mode of the whole machine Pressure set point and adjustment range Valve body, valve internals, and packing materials Attached attachments Other special requirements
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