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DQC E-Series Straight Through Interchange Female Coupler

DQC E-Series Straight Through Interchange Female Coupler

  • e series
  • e series
Part Number 4EF4-B
Material Brass
Seal Buna-N
Female Thread NPTF
Female Thread Size 1/2"-14
Maximum OD 1.34 (34.0mm)
Body Size 1/2"
Hex 1-1/8"
Length 1.86 (47.2mm)
Maximum Operating Pressure 2,200 PSI (152 Bar)
Burst Pressure 8,800 PSI (607 Bar)
Temperature Range -40°F - +250°F (-40°C - +121°C)
Weight Lb 0.3100


  • Straight-Through Pressure-Wash Interchange
  • Interchanges with Parker ST, Foster FST, Hansen ST, and Tomco ST couplings
  • These couplers have no internal valves, providing maximum flow with minimum pressure drop.


  • Machined components are manufactured using solid brass
  • Stainless steel balls, retaining rings and spring maximize corrosion resistance and extend service life.
  • Nitrile (Buna-N) seals are standard

Available Options

  • Contact Dixon® for additional seal material options, pressure ratings and other technical information.

Safety notes

  • Do Not Disconnect with pressure in line.
  • Dixon cannot assume liability for misapplication of products resulting in equipment down-time, lost production, property damage and/or personal injury including death.

Repair Kits
Part # Description Includes Item # Qty
4E-SKIT Nitrile Body O-ring
F-4E-SKIT FKM Body O-ring
P-4E-SKIT EPDM Body O-ring

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Stock Availability