stainless steel valve, valve manufacture, stainless steel butterfly valve Stainless Steel 304 stainless steel valve, valve manufacture, stainless steel butterfly valve 1.Handle with lockable device 2.Standards: ISO, DIN, ... to 200degreeApplicationsFood, dairy, beverage, beer, wine, pharmacy, biology and chemical industry.Other ChoicePneumatic valve and Electric valve (100% Tested /100% Inspected)