Dual Disc Check Valve

Easy to install and operate, the dual disc check valve is the perfect solution for applications that require a versatile and compact valve. Dual disc check valves work to effectively prevent back flow, dutifully defending pipelines from flow reversal.

Design Features

  • Retainerless design meets industry fugitive emissions control requirements. This design eliminates the potential leak path to atmosphere associated with competitors’ valves with threaded retaining plugs.
  • Available in wafer, lug and double flanged body styles.
  • Suitable for installation between RF or RTJ (Optional) flanges.
  • Valve sizes 6” and larger are supplied with a valve lifting lug.
  • Upper and lower stainless steel thrust washers are standard.
  • Available with resilient or metal-to-metal seats.
  • Seat design lifts then swings disc to minimize seat wear.
  • Discs are equipped with shock bumpers to minimize stress in hinge pins.
  • Body meets ASME B16.34 and API 598.

Additional Resource

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