... producing dry powder aluminium valve. Our company is specialized in producing fire extinguisher,accessories like dry powder valve,co2 valve,cylinder,neck rings, ... fight equipment,such as fire hose,pressure gauge,nozzle,landing valve,jet apray branch pipe,hose coupling,fire cabinet and ... connection thread: M10X1-12.5Dip tube thread: M16X1.5Check valve: NOPressure Mpa: NOWall hanging loop: NOAluminium ...