Model 65SC/65SCA Lift Check Valve

Brand: OCV Control Valves

The 65SC/65SCA is a full port valve equipped with a built in lift check feature to prevent backflow.

When equipped with a variety of pilots and accessories the valve performs a wide range of automatic fluid control, while closing rapidly on reversal of pressure to prevent backflow.
Features
  • Operates Automatically Off Line Pressure.
  • Heavy-duty, Nylon-reinforced Diaphragm Isolates Top Chamber Operating Pressure from Bottom Chamber Line Pressure.
  • Rectangular-shaped, Soft Seat Seal Provides Drip-tight Class VI Closure.
  • Diaphragm Assembly Guided Top and Bottom
  • Throttling Seat Retainer for Flow And Pressure Stability.
  • Easily Maintained Without Removal from the Line.
  • Diaphragm Replaced Without Removing Internal Stem Assembly.
  • Replaceable Seat Ring.
  • Alignment Pins Assure Proper Reassembly After Maintenance.
  • Center-tapped Bonnet Facilitates Installation of Position Indicator or Valve-actuated Switches.
  • Ductile Iron and Steel Valves are Epoxy-coated Inside and Out, for Maximum Corrosion Protection.
  • Valves are Factory Tested.
  • Valves are Serial Numbered and Registered to Facilitate Replacement Parts and Factory Support.
  • Allows Valve to Close Instantaneously Upon Pressure Reversal, Eliminating Reverse Flow.
  • Split Spool Design.
  • Lift Check can be Added as a Feature to Existing Valves by Replacing Spool Assembly.
  • Valve Must be Mounted with Stem in Vertical Position.

Specifications

Screwed End Sizes

  • 2"-3"

Grooved End Sizes

  • 2"-6” - Globe
  • 1-1/2"-4" - Angle

Flanged End Sizes

  • 2”-16”, 24” - Globe
  • 2"-16" - Angle

Fluid Operating Temperature Range

  • Valve Elastomers
  • EPDM 32° F to 230°F

Body/Bonnet Materials

  • Ductile Iron (epoxy coated)
  • Carbon Steel (epoxy coated)
  • Stainless Steel
  • Low-lead Bronze
  • Others available - consult factory

Seat Ring Materials

  • Low-lead Bronze
  • Stainless Steel

Stem Materials

  • Stainless Steel
  • Monel

Spring Materials

  • Stainless Steel

Diaphragm Materials

  • EPDM
  • Others available upon request

Seat Disc Materials

  • EPDM
  • Others available upon request

Tubing and Fittings Materials

  • Copper/Brass
  • Stainless Steel

Documentation

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