HDPE male thread joint 1..Color:black 2. ISO9001,ISO14001,OHSAS18001 3. ... 50 years 4.Easy and quick instal HDPE male thread joint 1.As a company listed in Singapore , ATON ... fuel gas, etc. 2.Detail: Name:HDPE male thread joint SpecificationOutside diameter(mm):20*1/2",25*3/4",32 ... strength and mechanical intensity;No jam-up and sediment, smooth internal wall , small flow resistance with 0.009 of friction ...