DQC H-Series ISO-B Steel Mill 'Slide Gate' Female Threaded Coupler

DQC H-Series ISO-B Steel Mill 'Slide Gate' Female Threaded Coupler

  • h series iso-b steel mill coupler
  • h series iso-b steel mill coupler
Part Number F-4HF4-HV
Material Steel
Seal FKM
Thread Female NPTF
Thread Size 1/2"-14
Maximum OD 1.86" (47.2mm)
Body Size 1/2"
Hex 1-1/16"
Length 2.86" (72.6mm)
Maximum Operating Pressure 4000 PSI (275 bar)
Burst Pressure 16000 PSI (1,100 bar)
Temperature Range -20°F to +400°F (-29°C to +204°C)
Weight Lb 0.7300


  • Poppet style shut-off valves
  • Designed to prevent fluid loss when disconnected


  • 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


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