1. casting alu. french guillemin coupling. 2. size: 40,45,50,65,70,75mm 3. material: ... alu. 1.casting alu. french guillemin coupling.2. we can offer storz , john morris , french, GOST, spanish ... we also can offer landing valves, fire hydrant valves, fire hose nozzles and many fittings for fire control in alu. and ... 10. work pressure: 1-1.6MPa. casting alu. french guillemin coupling