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Swing Check Valves
- Works as backup system
- Low friction losses
- Drip tight seating
- No spring to wear
- Can be installed vertically or horizontally
- Prevents backflow
- Low maintenance
(*) Product not available for the Americas
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(*) Product not available for the Americas
Class and Size Ranges
Bolted Cover Swing Check Valves
- ASME/ANSI 150/300 Class Flanged or Butt Weld Ends (2” to 48”)
- ASME/ANSI 600 Class Flanged or Butt Weld Ends (2” to 36”)
- ASME/ANSI 900 Class Flanged or Butt Weld Ends (2” to 24”)
- ASME/ANSI 1500 Class Flanged or Butt Weld Ends (2” to 24”)
- ASME/ANSI 2500 Class Flanged or Butt Weld Ends (2” to 12”)
Standard Configuration
Carbon Steel
ASTM A216 Gr. WCB body and cover, disc in ASTM A216-WCB/Cr13 overlay, ASTM A216-WCB hinge, ASTM A276-410 washer, nut, and disc nut, ASTM A216-WCB yoke, bonnet gasket in spiral wound Graphite+SS, ASTM A276-420 disc split pin, ASTM A193-B7 bonnet stud, and ASTM A194-2H bonnet nut
Design and Testing Standards
API 600, BS 1868
Valves design
ANSI B16.10
Face-to-Face and End-to-End Dimensions of Valves
ANSI B16.34
Valves, Flanged and Butt Weld End
API 6FA
Specification for Fire Test for Valves
NACE MR0175
Sulphide Stress Cracking Resistant Metallic Material for Oilfield Equipment
ANSI B16.5
½ “ – 24” Pipe Flanged and Flanged Fittings
ANSI B16.47
26” – 60” Large Diameter Steel Flanges
ANSI B16.25
Butt Weld Ends
API 598, ANSI B16.34
Testing
ASTM / ANSI
Materials
