WHEATLEY Series 822 Check Valve | Schlumberger Products

WHEATLEY Series 822

Check valve

The Cameron WHEATLEY Series 822 check valve is designed to safely prevent backflow of liquid or gas in pipeline applications. The valve's beveled, self-aligning clapper and seat design incorporates a molded seal in the clapper for a bubble-tight primary seal and metal-to-metal secondary seal.


  • WCC, LCC, and CF8M models designed in accordance with ASME Spec B16.34
  • Materials of construction conform to NACE MR0175/ISO 15156 
  • Solid 316 stainless steel clapper and hanger that reduce the need for separate pins, bushings, and rollers
  • Compact valve geometry for reduced weight and space
  • Peroxide-cured Buna-N seals (FKM and HNBR optional)
  • Generous wrench area on body and hex-head threaded cover for easier installation and maintenance
  • Full opening
  • Horizontal or vertical flowup
  • Below-the-threads cover seal that isolates the cover threads from line media
WHEATLEY Series 822 Check Valve

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