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Sempell Model 801 ASME Swing Check Valves

Brand: Sempell

Sempell controlled and uncontrolled non-return or swing check valves prevent unallowable pressure built up in the turbine coming due to back-flowing steam.
Features
  • Low Maintenance Gland can be Retightened.
  • Hardfaces Sealing Faces st Disc snd Body Seat.
  • Low Friction by Burnished Shaft.
  • Surfaces Treated Bearing Faces on Each Part with Relative Motion.
  • Easy to Disassemble Bodies.
  • Low Resistance Coefficient X by Favorable Flow Characteristic of Internal Structure.
  • Actuator Mounting Right or Left Possible Seen from Steam Flow Direction.
  • Universal Connections by Various Design of Welding Ends or Direct Welding-in.
  • Deviating Designs of Welding Ends in Regard of Dimension and Material as well as Other Actuators, Limit Switches and Special Designs According to Customers’ Request can be Supplied.

Specifications

Brand

Applications

  • High Temp, HRSG, Steam Turbine

Approvals & Certifications

  • ASME B31.1, PED

Body Design

  • Long Pattern

End Connection

  • Butt Weld

Material

  • Alloy, Carbon Steel, Metal, Steel

Operating Temperature

  • High Temperature

Pressure Class

  • ASME , PN

Process Connection Type

  • BWE

Seat / Seal Type

  • Metal-to-Metal, Swing

Shutoff Class

  • Class V (FCI 70-2)

Standards

  • ASME B16.34

Style

  • Direct-Operated

Valve Size

  • NPS 24 / DN 600, NPS 20 / DN 500, NPS 18 / DN 450, NPS 14 / DN 350, NPS 16 / DN 400

Valve Size Standard

  • DN, NPS

Valve Type

  • Engineered Product
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