Keckley DD1F-CI-34136-400 Check Valve

  • Pipe Size: 4 in
  • Body Material: Cast Iron
  • Connection Type: Wafer
  • Valve Body Style: Inline
  • Check Mechanism: Double Disc
  • Media Temp. Range: -20 °F to 250 °F
  • Max. Pressure (CWP): 200 psi
  • Max. Pressure (Steam): Not Rated
  • Flow Rate: 290 gpm
  • Flow Coefficient (Cv): 290
  • Cracking Pressure: 1.05 psi
  • Seat Material: Buna-N
  • Seal Material: Buna-N
  • Disc Material: 304 Stainless Steel
  • Spring Material: 316 Stainless Steel
  • Silent Check: Standard
  • For Media: Gas; Liquids
  • Mounting Orientation: Horizontal; Vertical
  • Overall Length: 2.5 in
  • Valve Series: DD
  • Standards: ASME B16.1; Conform to API 594 & 6D; MSS SP-25; MSS SP-55; MSS SP-6; Testing API 598