Sanitary Three Piece Welding Butterfly Valve

Our Butterfly valve body could be offered with weld end, male end, female end and clamp end.
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Sanitary Three Piece Welding Butterfly Valve


Butterfly valves can be actuated either manually or pneumatically. There is a wide range of manual controls to meet the different system requirements. Pneumatic controls can be horizontal and vertical, single-, double-effect, and modulating. They can be fitted with control tops and proximity It is widely applied to many fileds,such as beer,beverage,dairy food,fruit juice,pharmacy,biological etc.

Design features

Product   Wetted Steel Parts AISI304/AISI316L Provided    with material inspection report
Other Steel   Parts AISI304
Size 1/2"~6",DN10~DN150
Seal   material EPDM/VMQ/FPM All seals material comply with   FDA21CFR117.2600
Working   pressure ≤10bar(145psi)
Working   temperature PDM:-14~248ºF(-10~120ºC)
Other   materials are avaible upon request
Sterilization   temperature 302ºF(150ºC,max 20min)
Outside   surface treatment Ra16~32uin(o.4~0.8um)
nside surface   treatment Ra32~64uin(o.8~1.6um)
Connetion   ends butt-weld,clamped ends,male   ends, flange ends
neumatic   head Normally closed(NC)-Air to   open,spring to close
Normally   open(NO)-Air to close,spring to open
Air   to air(AA)-Air to open,air to close


  1. The seat and gasket can be NBR (Nitrile), VMQ (Silicone) or Viton (FPM) all complying with FDA 21CFR177.2600.
  2. End connection can be butt-welded, sanitary clamp, threaded, flanged, I-line or others upon request.
  3. Handle: 3-position pull handle; multi-position handle in either pure stainless steel or with plastic cover.
  4. Actuator: pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), electric actuator.
  5. Control: position sensor, C-top controller, C-top controller (AS-I)