3 Sanitary Stainless Steel 316L Tri-Clamp OD 91mm. Well Applied To Stainless Steel Pipe System. 0 - 1.6MPa / 232psi. The item "3 Sanitary Stainless Steel 316L Tri-Clamp OD 91mm Diaphragm Valve Silicone" is in sale since Monday, May 15, 2017. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Valves & Manifolds\Other Valves & Manifolds". The seller is "goodsisbest" and is located in SZ. This item can be shipped worldwide.