A METHOD OF MANUFACTURING POLYPROPYLENE RANDOM CO-POLYMER BALL VALVE WITH SOCKET FUSION WELDED BODY, AND THE PROCESS OF MAKING THE SAME

摘要

: A method of preparing Polypropylene Random Co-Polymer Ball Valves with Socket fusion welded body, comprising the following steps a) socket fusion welding socket fusion welding of polypropylene random co-polymer pipes fittings and valves upto 50 mm OD sizes can be manually carried out by hand and larger size is required to be done on machine. The socket fusion welding process is done in following three steps. No. of Pages : 19 No. of Claims : 4