ASME BPE 2005 Standard Extended Automatic Welding Hygienic Grade Welding Ball Valve is manufactured according to the external diameter and wall thickness of hygienic grade steel pipe, specifications 12.7*1.5, 16*1.5, 19*1.5, 25*1.5, 32*1.5, 38*1.5, 51*1.5, 63*2, 76*2, 89*2, 102*2, etc. The outer wall and inner hole of the connecting pipe are polished and directly welded with sanitary grade pipes. The welding end can be clamped by an automatic welding machine. The valve is widely used in food, pharmaceutical, chemical, biological engineering and other fields. The material is divided into 304 stainless steel and 316L stainless steel. It can be used in food, pharmaceutical, biological engineering, solar vacuum electronics and other pipelines.