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
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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 600 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”)
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

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

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