Stainless Steel Valve Manufacturer in USA Valvesonly is the leading Stainless steel valve manufacturer in USA.The working of a stainless steel valve depends on the type of valve and its application. However, most valves work on the principle of controlling the flow of fluid or gas by opening or closing a passageway. Body material: Stainless Steel (SS316, SS304). SS904, 904L Class: 150 to 2500, PN16 – PN 450 Size: ½” – 48”. Ends: Socket weld, buttweld, flanged, threaded. Operation: Gear operated, Electric Actuated and Pneumatic Actuated, Hand wheel operated. https://valvesonly.com/product-category/ss316l-gate-valve/