... GB ,DIN,JIS 4.Certificate:ISO9001/2000... Faucet pipe fittingsSize1/2"- 72"Wall thicknessSch 10- Sch xxsApplicable standardANSI ... in high, medium and low-pressure series, insulated pipe fittings, wear-resistant pipe fittings, and supporting pipes for four major ... elbows, reducers, tees, flanges, socket welding fittings, pipe hangers, and corrugated compensators with the material of carbon steel ...