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Sempell Model 801 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 Retightened.
- Hardfaces 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.
- 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
- PED, ASME B31.1
Body Design
- Long Pattern
End Connection
- Butt Weld
Material
- Steel, Metal, Carbon Steel, Alloy
Operating Temperature
- High Temperature
Pressure Class
- PN, ASME
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
- NPS 14 / DN 350, NPS 18 / DN 450, NPS 20 / DN 500, NPS 24 / DN 600, NPS 16 / DN 400
Valve Size Standard
- DN, NPS
Valve Type
- Engineered Product