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Sempell Model 803 Swing Check Valves
Brand: SempellSempell 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 Re-tightened.
- Hard-faced Sealing Faces at Disc and Body Seat.
- Low Friction by Burnished Shaft.
- Surfaces Treated Bearing Faces on Each Part with Relative Motion.
- Easy to Disassemble Bodies.
- Mechanical Taking of Control Angle Directly at Disc Lever.
- Mounting of Pneumatic or Hydraulic Actuators.
- Actuator Mounting Right or Left Possible Seen from Steam Flow Direction.
- Universal Connections by Various Design of Welding Ends and Flanges as Standard.
- 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, Steam Turbine, HRSG
Approvals & Certifications
- PED, ASME B31.1
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
- Swing, Metal-to-Metal
Shutoff Class
- Class V (FCI 70-2)
Standards
- ASME B16.34
Style
- Direct-Operated
Valve Size
- 5”, NPS 3 / DN 80, 6” (DN 150) & Larger, NPS 4 / DN 100
Valve Size Standard
- NPS, DN
Valve Type
- Engineered Product