... .Thread type:G,R,NPT,BSP 5.Nickel plated brass compression fittingsFeature:1. Material: Brass(CuZn39Pb3/CuZn39Pb2, C38500/C38000, C3603/C3771 ... scaling, no rust, anti-bacterial.3. Light weight, high strength and high impact strength.4. Convenient installation, reliable, recycled, environmental protection and ... equipment.7. Piping system for other industries and agriculture. Brass compression fittings