Double Block & Bleed Knife Gate Valves

The DeZURIK Double Block & Bleed Knife Gate Valve is based on the successful KSV Severe Service Knife Gate Valve design. It combines two ASME Class 150 or 300 pressure rated knife gate valves into a single unit with a single actuator and a central bleed port. The valve is constructed with a drain port between the valve seats with either a flanged or threaded end connection. The drain port allows bleed off of media between the valves for verification of positive sealing. This compact design provides a dual isolation solution, allowing personnel to isolate and drain downstream system media while safely maintaining upstream pressure. The integral double valve/single actuator design minimizes leak paths, reduces weight and saves costs.