CLA-VAL 353GF : Pressure Control Coupler
The Model 353GF Pressure Control Coupler is a hydrant coupler used in jet aircraft refuelling operations. It connects to a hydrantpit valvem or hydrant pit adapter to allow pressurized fuel to flow from an underground pipeline and into the recieving aircraft. It incorporates a Deadman operated, direct acting pressure regulator that protects the recieving aircraft from excess pressure and from damage due to pressure surges.