The Mosites C30 Butterfly Valve was developed to fill an industry need for a high cycle, fully elastomer lined butterfly valve. If your processes involve chemicals, slurries, water, air or vapors, the C30 can solve your control problems. It is available in the standard Mosites face to face dimension.

• STEM - STEEL ASTM A 311 AISI
  GRADE C1144
  One piece full length stem with integral "DD" disc position indicator.
  
• STEM RETAINER - ALLOY 625
  ASTM B 446
  Insures positive retention of stem.
  
• BODY - CAST CARBON STEEL ASTM
  A 216 GRADE WCB WAFER OR LUG
  Stronger than cast or ductile iron. Not subject to thermal shock. Also available in stainless steel and aluminum.
  
• DISC INSERT - ATSM A 108 AND
  A 487 GRADE N
  Lining material bonded to steel.
  
• EXTERIOR FINISH
  High Gloss Epoxy. Maximum protection from environmental corrosion.
  
• GASKET SURFACE
  Bonded to valve body. Will not "fold" on insertion between flanges.

• BUSHING - RYTON/TFE
  Reinforced top stabilizer bushing prevents side loading.
  
• SECONDARY STEM SEAL
  Pressure activated Viton seal ring.
  
• PRIMARY STEM SEAL
  Integrally molded O-Ring seal.
  
• BEARING - TFE
  Isolates elastomer sealing surfaces for long life and high cycle capability.
  
• BODY LINER
  Molded and bonded to body; prevents seat blowout.
  
• BEARING - TFE
  Isolates elastomer sealing surfaces for long life and high cycle capability.
  
• PRIMARY STEM SEAL
  Integrally molded O-Ring seal.
  
• BUSHING/RETAINER CUP - RYTON/TFE
  Reinforced bottom stabilizer bushing prevents side loading and leak path to casting. Provides protection to stem from premature wear caused by metal-to-metal contact.
  
• DISC TO STEM CONNECTION
  Flat drive mechanism.