Integrally forged, one piece double block or double block and bleed Keyblok assemblies for primary isolation of pressure take-offs, where the valve is mounted directly to the vessel or process pipe
One-piece forged body combines a compact design with strength and reduced potential leak paths compared to conventional designs.Flanged inlet connections available in a choice of sizes and ratings to suit each application.Primary isolation ball valves are precision machined and super finished for high performance pressure and temperature ratings. Designed to be fire safe and anti-static.Heavy duty needle type globe valve, ensuring bubble-tight shut-off on venting or isolation service.Outside screw and yoke (OS&Y) needle type globe valve with investment cast yoke and bolted bonnet provides high mechanical strength and reliability on primary isolation and venting services.Firesafe design to meet API 607, BS6755 Part 2 (optional).