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Dixon 5500 High Pressure API Coupler


  • Locking five-cam design provides easy alignment and tight connection
  • Modular design allows various face seal combinations to be compatible with different alternative fuels, performance levels, and applications
  • Replaceable nose seal can be changed without removing coupler from loading arm
  • Fully interlocked collar prevents fitting from opening when disconnected and from being disconnected while opened
  • 4” TTMA inlet mounting flange connection
  • Ball-end handle for easy and comfortable operation
  • No special tools needed for maintenance



  • Flow rate: 600 GPM at 3 PSI pressure drop; max flow rate: 1,000 GPM
  • Fully compliant with API RP1004:2003 specifications
  • Seal operating temperature:
  • • Baylast:-35°F to 212°F (-37°C to 100°C)
  • • EPDM:-20°F to 250°F (-28°C to 121°C)
  • • FKM-B:-10°F to 400°F (-23°C to 204°C)
  • • FKM-GFLT:-30°F to 400°F (-34°C to 204°C)
  • • Fluorosilicone:-50°F to 350°F (-45°C to 176°C)
  • • HiFluor:-15°F to 400°F (-26°C to 204°C)



  • Body: 356 T6 aluminum anodized hard-coat
  • Cam: stainless steel
  • Poppet: 356T6 aluminum annodized hard-coat
  • Seals: FKM-GFLT standard; Baylast, EPDM, Fluoroelastomer, FKM-B, HiFluor®
  • Link, shaft, pin, crank: hardened 17-4PH stainless steel
  • Handle: aluminum, stainless steel
Weight 21 lbs
Dimensions 8 × 8 × 8 in
Seal Material

FKM-B, Baylast, FKM-GFLT, EPDM, Fluorosilicone, FKM-GFLT, HiFluor

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