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GROVE Fully Welded Body Ball Valve B8

The B8 is one of a full range of ball valves offered by IndMac in accordance with the API 6D standard. The fully welded body design reduces the number of potential leak paths that can be found in the bolted design. The body welded configuration allows for a considerable reduction in weight, especially if the welded ends version is selected. The B8 valves are well suited for Oil & Gas transmission and distribution systems both onshore and offshore.

Body Construction
The body is made of three forged parts and the all-welded construction minimize leak paths towards environment. The valve being of standard DPE design, tightness of the seating surfaces can be assessed by pressurising the body cavity only, before any repressurisation of the pipeline. A body drain is located in the lowest part of the body cavity and consists of a NPT drain valve with safety plug.

Standard Features
• Size range: 6” to 60”
• ANSI Class: 150# to 1500#
• Trunnion mounted
• Triple barrier stem seals
• Stem separate from the ball
• Anti-blow-out stem design
• Low friction metal-backed self lubricating PTFE sleeve bearings and thrust washers
• Primary metal-to-metal seal and protected secondary O-ring seal
• Double-piston-effect seat rings (double sealing barrier in both directions)
• Double-block-and-bleed
• Pressure relief valve in the body cavity to prevent pressure lock
• Sealant injection system for emergency seat sealing
• Factory positioned external stops
• Integral stop in the adapter plate for a permanent reference to open and closed positions
• Electroless nickel coating on pressure-controlling parts and stem
• Fire safe in accordance with API 6FA, BS 6755 Part 2
• CE marking (PED Directive)

Optional Features
• Self-relieving seat rings
• Plastic polymer insert for seat sealing
• PTFE spring energized lip seals for seat and stem sealing
• Metal-to-metal seat sealing
• SS or Inconel 625 overlay on sealing areas
• Explosive decompression resistant seals (std for Class 600 and higher)
• Anti-static device

 

 
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