API 6D Double Block Bleed Ball Valve
Piping Double Block & Bleed (DBB) Ball Valves Valve Description: Ball valve, soft seat, trunnion type, bolted bonnet, DBB, dual ball/twin ball, three pieces, forged carbon steel Body Material: ASTM A350 LF2 Nominal Diameter: 10 Inch Nominal Class: Class 150 LB Design / Manufacture: API 6D Face to Face: ASME B16.10 Test and Inspection: API 598 End Connection: RF Seat: PTFE Mode of Operation: Gear Operation The DBB ball valve, designed to replace the complex form of multiple valve connections in pipeline, utilizes a twin-valve design. By combining two valves into one body, a twin-valve design reduces weight and potential leaks paths while meeting requirements for double block and bleed. Material: Carbon Steel, Stainless Steel, Alloy Steel, etc. Floating or trunnion mounted, for the purpose of DBB and DIB Size Range: 1/2 – 16 Inch, DN15-DN400 Pressure Range: Class 150 LB – 2500 LB, PN20-PN420 Specification • Floating or trunnion mounted • Reduced or full bore • Side or top entry • Flanged, Hub end, screwed ends, weld ends • Fire safe and anti-static design • Anti-blow out stem • Soft or metal seated • Bleed valve; needle or ball type • Bolted or welded body • Materials, virtually any, CS, SS, low alloy, high alloy • Size from 2 Inch and up to 24 Inch • Class 150 to 2500 LB, PN10 – PN420, 10000 – 15000 PSI • ASME B16.34, API 6D, ISO 17292 Options • Fugitive emission tested • Fire safe certified • NACE • Cryogenic execution • High temperature execution • Automation
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