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.



Standard Features

  • Designed in accordance with ASME B16.34 (WCC, LCC, and CF8M only)

  • Materials of construction conform to NACE MR0175/ISO 15156 

  • Solid 316 stainless steel clapper and hanger reduce the need for separate pins, bushings, and rollers

  • Compact valve geometry reduces weight and space

  • Peroxide-cured Buna-N (FKM and HNBR optional) seals

  • Generous wrench area on body and hex-head threaded cover for easier installation and maintenance

  • Full opening

  • Suitable for horizontal or vertical flow up

  • Below-the-threads cover seal isolates the cover threads from line media