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Series V11

  • Manufacturer: EMERSON
  • Valve Type: Butterfly Valves - Rubber Lined / High Performance / Triple Offset
  • Sub-Type: Keystone Butterfly Valves
  • The concentric disc offers bi-directional service and allows high Cv values with its symmetric shape
  • Primary seal is formed by the disc hub and stem top, the seat contact exceeds the pressure rating of the valve
  • Secondary stem seal is suitable for high pressure and is self-adjusting
  • Disc hub edge are rounded and hand polished to provide full concentric sealing without seat obstruction to flow, combined with maximum seat life
  • Replacement seat isolates the stem and body parts from the stream and also serves as the flange gasket
  • Moulded-in O-ring provides positive flange sealing and eliminates the need for gasket
  • Double flanged body design specified according to JIS F7480
  • Heavy duty top bushing absorbs side thrust and torque loads
  • Stainless steel disc screws allow quick and easy disassembly
  • Factory testing of every valve at full rating ensures 100% tight shut-off


The Figure V11 is a double flanged type, fully rubber lined valves for the marine industry. Applications are mainly for: • shipside valves • ballast valves


Product Tags

Butterfly Valve Emerson Keystone Butterfly Valve

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