CLA-VAL 343GF : Hose End Pressure Control Valve
The Cla-Val Model 343GF/348HG Hose End Pressure Control Valve (HEPCV) is a direct acting pressure regulator. It is designed for use in aircraft refuelling to protect the receiving aircraft from excess pressure and damage due to pressure surges. It is bolted to a Cla-Val Model 341GF or 347GF Aircraft Refuelling Nozzle at the end of a delivary hose or a Pantograph usd to refuel jet aircraft under pressure.