... .Thread type:G,R,NPT,BSP 5.Nickel plated brass compression fittingsFeature:1. Material: Brass(CuZn39Pb3/CuZn39Pb2, C38500/C38000, C3603/C3771 ... ) 2. Pressure Grade: 1.6MPa3. Design standard: GB/T8464-20084. Pipe thread standard: ISO228, DIN, BS, JIS, ANSI, GB etc,5 ... .6. Caliduct, floor and wall heating equipment.7. Piping system for other industries and agriculture. Brass compression fittings