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Keckley DD1F-CI-34136-910 Style DD Double Disc Retainerless Check Valve, 10 in Nominal, Wafer End Style, 125 lb, Cast Iron Body, PTFE Softgoods, Import

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Description

Keckley Check Valve, Double Disc Retainerless, Series: Style DD, 10 in Nominal, Wafer, 200 psi, 125 lb, 150 deg F, Media: Gas/Oil/Water, 4-1/4 in Inlet to Outlet Length, Cast Iron Body, 316 Stainless Steel/Buna-N/Cast 304 Stainless Steel Trim, PTFE, Epoxy Coated, 13-3/8 in Dia x 4-1/4 in D, Import

Keckley wafer body double disc check valves offer an inexpensive way to properly protect your pipeline against flow reversal. Keckley cast iron wafer body double disc check valves have pin retainer holes in the body where plugs are inserted to hold the hinge pin and stop pin in place. Keckley offers a retainer less wafer body design in bronze, carbon steel, stainless steel and other specially cast alloys.

Specifications

Body Material Cast Iron
Dimensions 13-3/8 in Dia x 4-1/4 in D
Domestic/Import Import
End Style Wafer
Finish Epoxy Coated
Inlet to Outlet Length 4-1/4 in
Media Gas/Oil/Water
Nominal Size 10 in
Pressure Class 125 lb
Pressure Rating 200 psi
Series Style DD
Softgoods Material PTFE
Temperature Rating 150 deg F
Trim Material 316 Stainless Steel/Buna-N/Cast 304 Stainless Steel
Type Double Disc Retainerless

Warranty: 1 Year

Country of Origin: China

Standards and Approvals: ASME B16.1 Class B, ASTM A-126/182/307, PI 594/598 and 6D, MSS SP-6/25/55

Application:
Flow reversal solutions for liquid and gas applications where protection from flow reversal in a pipeline is required

Features

  • A short face-to-face dimension
  • The spring loaded double disc design creates a low cracking pressure and allows for the valve discs to close prior to any flow reversal minimizing water hammer and/or surges in the media
  • Tension on the specially designed spring with extended spring legs allows the disc center section to lift off the seat prior to the outside edge opening preventing seat wear in the center "heel" section of the seating surface
  • Standard elastomeric seats can produce zero leakage when correctly specified, loaded and installed
  • Retainerless design check valves have no body penetrations eliminating potential leak paths
  • Allows for interchangeability of the hinge pin and stop pin
  • Field serviceable without the need for special tools
  • PTFE thrust washer
  • 304 stainless steel disc, Buna-N seat and 304 stainless steel spring

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