... ,STD,SCH40,SCH60,XS,SCH100,SCH120,SCH40,SCH160,XXSManufacturing processPush, Press, Forge, Cast, etc.Material Carbon steelStainless steelAlloy steelDuplex steelNickel ... VALVE Co.,Ltd (CE,ISO,API,CERTIFICATED MANUFACTURER tee for pipe fitting, pipe fittings. The mainly are used to branch pipe ... with used in the place owned branch pipe fittings , for its easy to use simple, widely used.in chemical,civil ...