... ,sch40... Three of pipe fittings, pipe fittings. Links in the main channel to be used at the branch pipe ... to create criteria can be divided into standard electricity, water, standard, American standard, Germany standard, Japanese standard, the Russian standard, etc… StandardASME B16.9-2007 ... 91-WP 911 Application sectorsOur links are widely used in many industrial fields, such as electricity, oil and ...