Burkert 8631 AS-1 A/B-SLV Stainless Control Valve 1.5" Tri-Clamp 1" Pipe DN25. 00158363 / XV1267 / DN25 BS4825. May Have Been Used or Just Tested. The item "Burkert 8631 AS-1 A/B-SLV Stainless Control Valve 1.5 Tri-Clamp 1 Pipe DN25" is in sale since Thursday, November 19, 2020. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Valves & Manifolds\Other Valves & Manifolds". The seller is "arrowindustrialsurplus" and is located in Millersburg, Indiana.