api coupler 5500

5500-Series API Coupler


5500 API load coupler FKM-B seals with aluminum handle

Dixon Distributor? 

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22.95 lb
Optional Package/Box Quantity
Temperature Range
5°F to 527°F



Combined with API adapters, these couplers are suitable for rail car and tank truck loading or unloading


  • 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


5500 API load coupler FKM-B seals with aluminum handle


  • 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 creates a secure connection
  • 4” TTMA inlet mounting flange connection
  • Ball-end handle for easy and comfortable operation
  • No special tools needed for maintenance

Safety Notes

WARNING: This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.


  • Flow rate: 600 GPM at 3 PSI pressure drop; maximum flow rate: 1,000 GPM
  • Fully compliant with API RP 1004:2003 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)


Product Information
Petrochemical Life Cycle: Terminal

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