This is one of two options we have for ECM Giotto OPV Valve ( see also 8083.10).
This OPV (Over Pressure Valve) is a perfect retrofit for the original 1/4 MALE version found on ECM Giotto.
Inlet side 1/4 MALE BSP
Outlet Barrel Fitting (for Silicone Hose)
80mm Long (varies with pressure adjustment)
26mm Diameter