... so on 2.Cu%:54-58% 3.Thread standard:ISO,DIN,etc 4.Thread type:G,R,NPT,BSP 5.Nickel plated ... . Pressure Grade: 1.6MPa3. Design standard: GB/T8464-20084. Pipe thread standard: ISO228, DIN, BS, JIS, ANSI, GB etc,5 ... . Thread type:G, R, NPT, BSP6. Size: DN15mm, DN20mm, DN25mm.7. ... .7. Piping system for other industries and agriculture. Brass compression fittings