Velan Inc Bolted bonnet bellows seal globe valve -Velan Inc. | Linquip
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Bolted bonnet bellows seal
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A complete range of gate, globe, and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world.

  • Long cycle life bellows (3000 cycles) in Gr. 321 (stainless) or Inconel. Designed and successfully tested in high pressure/temperature conditions

  • Two-part bellows

  • Two secondary stem seals: a) Backseat in open position; b) Graphite packing

  • Low torque due to: a) Non-rotating stem prevents torsion of bellows; b) Stem nut thrust bearings; c) Central lubrication

  • Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance

Velan Inc Bolted bonnet bellows seal globe valve Specifications:

  • DN from

    65

  • DN to

    250

  • Pressure Nominal from (bar)

    100
  • Pressure Nominal to (bar)
    250
  • Class from
    600
  • Class to
    1500
  • NPS from
    2.5
  • NPS to
    10
  • Certifications
    ISO9001:2000,PEDASME N/NPT,TUV,TA luft
  • Connection Type
    Butt weld
  • Design standard
    ISO900,ASME N stamp for nuclear valve,API 6D,
  • Body Material
    A105/A182Gr.F11/A182Gr.F22/A182Gr.F316
  • Other parts' material
    Disc:A105/A182Gr.F11/A182Gr.F22/A182Gr.F316,stem:Gr. 410,yoke:carbon steel,gasket:spiral wound stainlessand graphite

  • Pressure Nominal to (bar)

    250

  • Class from

    600

  • Class to

    1500

  • NPS from

    2.5

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