The Model 346GF Emergency Breakaway Coupling (EBC) cleanly comes apart and closes both separated halves when an axial load greater than 200 ±-50 lbs. at 0 to 450 gpm is applied. It is used by the US Navy at ground-based refueling facilities so that a pilot can drive/fly away from the refueling facility in case of emergency.
Advantages include:
Double Shut-Off Design
Lowest Possible Pressure Drop
Twin Stainless Steel Butterfly Valves
Pulls apart with 300 lb. Axial Force
Pressure Balanced Design
No Broken Pins to Replace
Re-coupled by One Person with no Tools
Robust Design for Long Life
Large Aluminum Drag Ring