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Instantly add the Sempell Dewrance Model B21/B51 Check Valve and 50,000+ more product series to your store or catalog  
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Emerson Sempell Check Valve, Model B21/B51

Sempell Dewrance Model B21/B51 Check Valve

Brand: Sempell
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The Sempell Dewrance bled steam check valve has been designed specifically for non-return turbine protection on power generation steam turbines.
Features
  • Excellent Reliability, Internal Counterweight to Balance Disc Under Low Load Conditions.
  • Tilting Disc Design for Quick Closing Due to Lower Center of Gravity.
  • Lightweight Disc with Minimum Travel, for Quick Closing in Less than 1 Second.
  • Optimum Performance Under All Flow Conditions.
  • Pneumatic Power Assistance Acts Directly onto Disc, without Leakages to Inhibit Operation.
  • Low Cost Maintenance, Expanded Graphite Gasket Pressure Seal Design.
  • Surface Treated Hinge Pin, Supported in Surface Treated Bearings, Giving a Low Coefficient of Friction and Hard Wearing Surface for Maximum Performance.
  • Easy Access Through Cover.

Specifications

Brand

Approvals & Certifications

  • SIL Capable, ASME B31.1, India Boiler Registration, PED

End Connection

  • Butt Weld

Material

  • Carbon Steel, Steel, Metal, Alloy

Pressure Class

  • ASME , PN

Shutoff Class

  • Class V (FCI 70-2)

Valve Size

  • 6” (DN 150) & Larger

Valve Size Standard

  • DN, NPS

Valve Type

  • Engineered Product, Triple Offset Valve

Documentation

Datasheet

Manual

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