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          ZQGP quick disconnect valve pneumatic piston

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          所屬類別:Quick shut-off valve

          ZQGP pneumatic quick disconnect valve from the domestic first introduced more than a spring piston pneumatic actuator and low flow resistance, double shut-off valve sealing structure components. Actuator movement speed, thrust, a self-reset function, with hand operated institutions; body unobstructed flow path, flow coefficient, elastic and rigid spool valve cascade double seal. New and unique structure makes the product quickly became a class action, tight cut, safe and reliable, high-performance new shut-off valve.

          Main parts and materials

          材料代號C(WCB)P(304)R(316)
          The main partsBody, bonnetWCB(ZG230-450)ZG1Cr18Ni9Ti(304)ZG1Cr18Ni12Mo2Ti(316)
          Valve, valve seat1Cr18Ni9Ti(304)or the Secretary of titanium alloy welding Levin1Cr18Ni9Ti(304)or the Secretary of titanium alloy welding Levin1Cr18Ni12Mo2Ti(316)or the Secretary of titanium alloy welding Levin
          Stem2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
          PackingV-type PTFE (F4), flexible graphite
          GasketPTFE (F4), stainless steel gaskets, metal graphite spiral wound gasket
          Oil and rubber O-ringSpring 60Si2Mn
          Spring60Si2Mn
          Putting2Cr13
          HandwheelHT200
          Conditions applyFor mediaWater vapor liquid gas oil categoryAlkali corrosive nitric acid gas liquidsAcetic acid and other corrosive gases and liquids
          TemperatureHard seal: -30 ~ +450 ℃ soft seal: -30 ~ +180 ℃
          The main technical parameters
          DN mm202540506580100150200
          Seat diameter mm20253240506580100125150200
          Rated flow coefficient Kv6.51015254065100150260350540
          Nominal MPa1.6 ; 4.0 ; 6.4
          Stroke mm101625304060
          Flow characteristicsQuick opening
          Actuator ModelZSPA/B-1、ZSNA/B-1ZSPA/B-2、ZSNA/B-2ZSPA/B-3、ZSNA/B-3
          Action in the form ofSingle acting / double acting
          Air pressure MPa0.4-0.7
          LeakageSoft Seal: O leakage; hard seal :10-5 × valve rated capacity
          Off time S0.511.5234
          Equipped with accessories: solenoid valves, valve echo, air filter regulator, handwheel operation mechanism Dimensions
          DN(mm)H(mm)Hg(mm)ФA(mm)ФD(mm)L(mm)
          PN1.6PN6.4PN1.6PN6.4
          25410580196115135184210
          40514684266150165222251
          50520690266165175254286
          65694904348185200276311
          80696906348200210298337
          100709919348220250352394
          15011861146486285340451508
          20012081468486340405600650

          Ordering Information
          A product model and name 2. Nominal diameter DN (mm 3. Nominal 4. Flow characteristics required 5. Valve material and trim materials 6. Media type and temperature range 7. Valve after pressure (pressure) 8 sealing form 9. matching accessories, it is recommended to install air filters FRL with two five-way solenoid valve

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