The brass valve of this fire extinguisher is the core accessory of the portable fire extinguisher，It is precisely processed from high-quality brass raw materials，Equipped with a safety pressure relief protection structure，Ensure the safe use of gas cylinders。 All products undergo air tightness tests and water pressure resistance tests before leaving the factory，It performs stably under high-pressure conditions。AdaptationABCDry powder、Foam fire extinguisher，Multiple thread specifications can be customized to match different gas cylinders。Support bulk wholesale、"OEM"OEM、Customized based on provided drawings。