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          ZMX pneumatic three-way shut-off valve


          所屬類別:Quick shut-off valve

          ZMX pneumatic three-way shut-off valve driven by the top structure, equipped with multi-spring actuator. With a compact, light weight, sensitive, fluid channel S streamlined, low pressure drop, large valve capacity, and easy disassembly. Shut-off valve to receive signals from the adjustment of the instrument, cut, open, or change the media flow, to the pressure, flow, temperature, level and other process parameters or automatic control. Widely used in the production process control in petroleum, chemical, metallurgy, electric power, light industry, textile and other industrial sectors and remote control systems.

          This series of products are film, piston two. Body structure with a single seat, sleeve, two-seater (two-way) three, there are two forms of packing seals and bellows seal Nominal grade products are PN10, 16,40,64 are four nominal diameter range DN20 ~ 200mm. For fluid temperature from -60 ~ 450 ℃. Leakage Class IV or Ⅵ grade level. Flow characteristics for the quick opening.

          Main parts and materials

          Body, sealing sleeve: HT200, ZG230-450 ZG1Cr18Ni9Ti ZGOCr18Ni12M02Ti
          Valve, valve seat: 1Cr18Ni9Ti OCr18Ni12M02Ti 1Cr18Ni9Ti surfacing Stellite
          Sleeve valve plug: 1Cr18Ni9Ti OCr18Ni12M02Ti 1Cr18Ni9Ti surfacing alloy too much food company
          Packing: PTFE, flexible graphite
          Corrugated diaphragm: NBR clip reinforced polyester fabric
          Spring: 60Si2Mn
          Stem, putter: 2Cr13, 1Cr18Ni9Ti
          Spool valve plug (soft parts): PTFE
          Bellows: 1Cr18Ni9Ti

          The main structural map