Flanged Butterfly Valve Rubber Lined

PN10 / PN16 / CL125LB
2″~96″ (50~2400mm)
Cast Iron, Ductile Iron

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Flanged Butterfly Valve Rubber Lined Descriptions

Flanged butterfly valve rubber lined is one type of central lined flanged type butterfly valve, which is the most common type of butterfly valve. Rubber lined butterfly valve is with the central disc and bonded liner. It is featured with a higher strength body and better pressure resistance as safely factor. Flowspec Luokai can manufacture the double flanged type rubber lined butterfly valve according to GB12238, AWWA C504 and EN593 with flanged ends of ANSI B16.5, DIN 2501, BS 4504, GB 17241.6, JIS10K, etc.
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  • Bidirectional sealing, small torque
  • Linear flow curve, excellent regulation
  • Whether vertical or horizontal installation is OK
  • Can be used as exhaust valve on the pipeline end
  • Quick 90° on-off operation
  • Good sealing capability, no leakage


  • Design & manufacturing: GB12238, AWWA C504, EN593
  • Face to face: ISO 5752, AWWA C504, GB12221, EN558-1, ANSI B16.10
  • Flanged ends: ANSI B16.5 ANSI 125/150; EN1092-2, DIN 2501 / BS 4504 / GB 17241.6 PN10/PN16
  • Top flange: ISO 5211
  • Inspection & testing: API598, GB13927


  • ANSI 125/150LB, PN1.0/PN1.6MPa
  • Size: 2″~96″ (50~2400mm)
  • Materials: A126 B (GG25), A536 65-45-12 (GGG40), A216 WCB, S.S.304(CF8), S.S.316(CF8M), B148 C954
  • Epoxy coating with thickness ≥ 250μm
  • Applicable medium: water, sewage, sea water, air, corrosive liquids
  • Applicable temperature: -45℃~+150℃ (higher temperature is available upon request)


  • Water works, water projects
  • Environment protection
  • Public facilities
  • Power plant
  • Building industry, real estate
  • Petroleum, chemical industry
  • Steel work, metallurgy
  • Water treatment plant

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