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Double Eccentric Butterfly Valve Manufacturers

Double Eccentric Butterfly Valve

Double Eccentric Butterfly Valve is an innovative double offset design product with advanced world leading technology. This butterfly valve has a unique structure with ultra reliable sealing performance, wide working conditions and low operation torque.

Series - 150 | PN6-PN25

Design Features
  • Rocker-shaped gland bridge compensates for uneven adjustment of gland nuts reducing packing leaks
  • Integrally cast disc position stop perfectly locates the disc in seat, achieving maximum seat and seal life
  • Extended neck allows for 50 mm (2″) of pipeline insulation
  • Integrally cast mounting pad provides direct mounting of actuators eliminating the need for costly brackets and couplings
  • Flattened body bore at shaft journal ports positions shaft bearings near disc, providing maximum shaft support resulting in reduced wear and longer life
Product Specifications
  • Size 2″-80″ DN50-DN2000
  • Pressure Class "150" | PN6-PN25
  • End Connection Flange (RF, RJ), Butt Welding, Lug, wafer
  • Body Material WCB, CF8, CF8M, CF3, CF3M, WC6, LCB etc
  • Disc Material WCB, CF8, CF8M, CF3, CF3M, WC6, LCB etc
  • Seat Material PTFE, EPDM, NBR, RPTFE
  • Stem Material 17-4PH, SS410, F304, F316, F51, F53
  • Design Standard API 609, MSS SP-67, MSS SP-68, DIN3354, EN558, JIS B2071
  • Face to Face Standard ANSI B16.10, MSS SP-68, EN558-1, JIS B2002
  • Test Standard API598, EN12266.1, JIS B2003
  • Temperature Range -50℃~650℃
  • Actuator Options Lever, Worm Gear, Pneumatic, Electric
    Structure Style
  • Full Port, Double Eccentric
    Connection Standard
  • Flange Drilling: API609, ASME B16.5, ASME B16.47, EN1092, JIS B2220, GOST 12815
  • Butt Weld: ASME B16.25, GB/T 12224