• Bronze, Carbon, or all Stainless Steel Construction
  • Trim Design, Suitable for Steam, Air, Gas, Liquid
  • Metal to Metal, PCTFE or Elastomer O-Ring Seats
  • Short Tuned Blowdown and Back Pressure Tight Body
  • Minimizes Fugitive Emissions and Product Loss
  • ASME Section VIII Air, Steam and Liquid Services, Sizes
  • 1/2” to 2”NPT Available
  • Set Pressure Range 5 to 900 PSIG @ 800oF Maximum
  • High Capacity full Nozzle Design, Stainless Steel Springs
  • Integral Lift Stop, Self-Aligning Pivoting Disc
  • API 527 Seat Tightness, Standard for  all Models
  • CSA B51 CRN OG8547-SC


  • Screwed Cap (standard), Packed Lift Lever, Special Cleaning and Test Gags Available
  • Elastomer or PCTFE Soft Seats for Exceptional Tightness
  • High Temperature Alloy Springs for 422oF to 800oF Service
  • Cryogenic Preperation to -400oF (consult factory)

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Part #NPT
Inlet x Outlet
CV5**-04061/2" x 3/4" *
CV5**-04081/2" x 1"
CV5**-06063/4" x 3/4" *
CV5**-06083/4" x 1"
CV5**-06103/4" x 1-1/4"
CV5**-08101" x 1-1/4"
CV5**-08121" x 1-1/2"
CV5**-10121-1/4" x 1-1/2"
CV5**-10161-1/4" x 2"
CV5**-12161-1/2" x 2"
CV5**-12201-1/2" x 2-1/2"
CV5**-16202" x 2-1/2"
CV5**-16242" x 3"
* Available in series CV51 & CV52 Only