api 6d check valve

Size Range: 2″ – 48″
Pressures: 150, 300, 600, 1500 & 2500
End Connections: Raised Face, RTJ, Butt Weld

  • NACE MR0175
  • Suitable for horizontal or vertical up flow
  • Full opening
  • Stainless steel 316 clapper and hanger eliminates need for separate pins, bushings and rollers
  • Self aligning clapper / clapper seal design utilizes an O-ring
  • Bubble tight primary seal / secondary metal to metal seal
  • Viton seals standard, HNBR available
  • O-ring cover seal protects the cover threads from line media
  • Compact construction minimzes weight and space requirements

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