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  • 产品名称：61系列弹性密封蝶阀，4“-24“

  • 产品型号：61系列弹性密封蝶阀，4“-24“
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简单介绍：
61系列弹性密封蝶阀，4“-24“ Series 61W (wafer) and 61L (lug) are resilient seated butterfly valves suited for applications within the water; wastewater and general industrial markets.
详情介绍：
61系列弹性密封蝶阀，4“-24“
Series 61W (wafer) and 61L (lug) are resilient seated butterfly valves suited for applications within the water; wastewater and general industrial markets.

Series 61 Resilient Seated Butterfly Valve, 4" to 24"

  • Description
  • Specifications
  • Documentation
Keystone Butterfly Valves, Wafer/Lugged, Resilient Seated, Keystone Series 61 Resilient Seated Butterfly Valve, 14 to 24" 

Series 61W (wafer) and 61L (lug) are resilient seated butterfly valves suited for applications within the water; wastewater and general industrial markets.

Features & Benefits:

  • Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and bubble-tight shut-off.
  • The seat is field replaceable and fully isolates the body and stem from the flow.
  • Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through stem area to atmosphere.
  • A secondary stem seal provides backup sealing.
  • Top and bottom inboard stem bearings for optimum support and minimum friction to prolong valve life.
  • Top bushing absorbs actuator side thrust loads.
  • Top seal prevents moisture penetrating into the stem area.
  • A molded-in O-ring in the seat for flange sealing eliminates the need for gaskets.
  • Extended body neck allows for pipe insulation.
  • Body locating holes ease installation and centering between the flanges.
  • Available approvals: PED (CE Mark), DNV, Lloyds.

     
Specifications

Sizes: 14" to 24"
Pressure: 150 psi
End of line: 90 psi
Temperature: -40°F to +300°F
End Connection: ASME 125/150


 
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