DIXON DQC H-Series ISO-B Poppet Valve Female Threaded Coupler, Steel, 1/2" - 1"

DIXON DQC H-Series ISO-B Poppet Valve Female Threaded Coupler, Steel, 1/2" - 1"

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  • Poppet style shut-off valves


  • Machined components are manufactured using solid bar stock
  • Stainless steel balls, retaining rings and springs maximize corrosion resistance and extend service life.
  • Steel componentry is plated using ROHS Compliant Trivalent Chrome.
  • Steel coupler sleeves are hardened to resist deformation and maximize service life.
  • Nitrile (Buna-N) seals are standard
  • Redundant o-ring sealing system with PTFE backup ring
  • Valve seals are crimped in place to maintain integrity during excessive flow conditions and pressurized connection.

Available Options

  • Contact Dixon for all available option adders
  • Standard seal options include: FKM, EPDM, Steam-EP, FDA FKM, Mil-Nitrile, Fuel Nitrile, PTFE and Silicone
  • Kalrez® seal options include: 4079, 6375 and 7075
  • Valve options include: Unvalved, actuator, steel, brass, 303 stainless steel and 316 stainless steel
  • Sleeve options include: Sleeve-lock, Flanged and Silicone-flanged
  • Oxy-clean treatment is available

Compatibility & Interchange Data

  • Meets dimensional requirements of ISO 7241 Series B
  • Interchangeable with Parker-Hannifin 60 Series, Snap-Tite 72-Series, Hansen HK-Series, Faster Series 'HNV', Aeroquip/Eaton FD45, Stucchi Series IRB/IRBO/IRBX


    Part Number Material Thread Thread Size Maximum OD Body Size Hex Length Maximum Operating Pressure Burst Pressure Temperature Range
    4HF4-S 303 Stainless Steel Female NPTF 1/2" -14 1.86" (47.2 mm) 1/2" 1-5/16" 2.86" (72.6 mm) 3500 PSI (240 bar) 27500 PSI (1900 bar) -40°F to +250°F (-40°C to +121°C)
    8HF8-S 303 Stainless Steel Female NPTF 1"-11-1/2 2.49" (63.2 mm) 1" 1-5/8" 4.13" (104.9 mm) 2000 PSI (138 bar) 15000 PSI (1000 bar) -40°F to +250°F (-40°C to +121°C)