Designed in accordance with API RP 1004:2003
Standard size is 4” however all models are available in 2”, 3” x 2”, 3” and 6” for vapor recovery, fleet fueling, rail car and river barge
application
Base Joints are all carbon steel with Split Flange swivel joints, either WL2 Dual Race or WSS Single Race
Typical swivel joint elastomers are Viton GF™ with a choice of Nitrile, PTFE, EPDM or Kalrez™ if required
Arms are balanced by HD compression spring
Alternative balance mechanisms; gas strut, counterweight, pneumatic and hydraulic
Primary pipe in aluminum, TTMA flanged. Carbon or stainless steel available
Apex and Outboard swivel joints in aluminum, TTMA flanged. Carbon and stainless steel available
API coupler, dry break style coupler or refueling nozzle interface
SS Braided hoses where applicable

Bottom Loading Arms
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