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Pressure Seal Check Valve
SUNGO pressure seal valves are designed for high temperature,high pressure,services mainly encountered in nuclear and fossil fuel power plant. Compare with bolted bonnet valves,SUNGO pressure seal valves are less complicated and can provide absolute excellent seal service with minimum maintenance.
1. Pressure seal-uncomplicated design has segmented retaining ring and mild steel gasket to aid disassembly.
2. Stellited seating surface
3. Low emission control
4. Fully guiding
5. Absolute bonnet joint leak proof
6. Optional by-pass design
7. Integral backseat-hardfaced maximum life.
3)Performance & Dimensions:
Rating: ANSI Class 900lb-2500lb
Materials: Carbon steel: ASTM A216 WCB
Alloy Steel: ASTM A217-WC6, WC9, C5, C12
Stainless Steel: CF8, CF8M, CF3, CF3M or Equivalent
Basic Design: ANSI B16.34
Face to Face Dimension: ANSI B 16.10
End to End Dimension: ANSI B 16.10
End Flange: ANSI B16.5
B. W End: ANSI B16.25