... 3.Thread standard:ISO,DIN,etc 4.Thread type:G,R,NPT,BSP 5.Nickel plated brass compression fittingsFeature:1 ... C3603/C3771, CW614N/CW617N) 2. Pressure Grade: 1.6MPa3. Design standard: GB/T8464-20084. Pipe ... DN15mm, DN20mm, DN25mm.7. Color: Nickel platedAdvantage:1. Sanitary, non-toxic, no heavy metal additives, ... 5. Solar heating and cooling equipment system.6. Caliduct, floor and wall heating equipment. ...