... . size: 40,45,50,65,70,75mm 3. material: alu. 1.casting alu. french guillemin coupling.2. we can offer storz , john ... , fire hose nozzles and many fittings for fire control in alu. and in brass.5. we can offer ISO 9001-2000 ... . produce mothod: dia casting , casting , forge.9. can offer in alu. and in brass.10. work pressure: 1-1.6MPa. casting ...