... your request Our company is specialized in producing fire extinguisher,accessories like dry powder valve,co2 valve,cylinder, ... addition,we also produce accessories for fire fight equipment,such as fire hose,pressure gauge,nozzle,landing valve,jet ... technical parameters:Inlet thread Outlet threadGauge connection thread pressure MpaM25X2W21.7X14G1/8X2818-22M25X2W21.7X14G1/8X2818-22M25X2W16X1.5G10X118- ...