Screwed / Socket-weld Ends Ball Valve comes in both full port and regular port version in sizes ranging from 6 mm to 100 mm. The Ball Valve comes with ball, stem and gland made from stainless steel. Shree Chamunda Valves Mfg. Co. Is manufacturing Screwed / Socket-weld Ends Ball Valve. Shree Chamunda Valves Mfg. Co. Supplies a wide range of Industrial Process Valves like Ball Valves, Globe Valve, Non Return Valves, Butterfly Valves, Diaphragm Valves, Flush Bottom Valves, Needle Valves and Stainers. The Screwed / Socket-weld Ends Ball Valve is equipped with PTFE Teflon ball seat, gland packing and body seal.