SERIES 31 –

Check Valve

Threaded end connections swing style design with threaded bonnet. carbon steel,
1" thru 4" • 300, 750, 1500, & 2220 psi MOP
1" thru 3" • 3000 psi MOP
1" only • 5000 psi MOP

FEATURES

  • Available in carbon steel & 316 stainless steel, 316 stainless steel trim is standard
  • Acceptable for vertical "upflow" applications & suitable for pigging
  • Standard seating configuration has o-ring seal located in disc for ease of replacement
  • NACE MR0175/ISO 15156
PRODUCT SUMMARY