Dimensions & Weights

Pneumatic Wafer Pattern Butterfly Dimension Diagram
Valve Size (inch)22 1/2345681012
Valve Size (mm)506580100125150200250300
PN (Bar)161616161616161616
A (mm)434646525656606878
B (mm)147155173183211223248304329
C (mm)262270303313355399436526551
D (mm)143170200200220235306326366
E (mm)393947475564647474
F (mm)515163636986102115115

Pressure / Temperature

Pressure / Temperature Rating


Test Pressures (Hydraulic)

Shell test - Hydrostatic - 24 bar
Seat test - Hydrostatic - 17.6 bar
Seat test - pneumatic - 6 bar 


Actuator bodyAluminium
BearingPolyacetal and glass filled PTFE
Cam insertWCB
Cap screwStainless steel 304
DiscStainless Steel
External circlipSpring steel
Key for RackPolyacetal
OperatorAluminium die-cast
Piston with rackAluminium
Slide ringPolyacetal
SpringSpring steel grade 3
Stem / Bottom Stem410 Stainless Steel
Stroke adjust screwstainless steel 304
Thrust washerPTFE
Valve bodyDuctile Iron
Valve seat and O-RingNitrile or EPDM


Pneumatic Wafer Pattern Butterfly

Pneumatic Wafer Pattern Butterfly

  • Available with either a double acting or spring return actuator
  • Spring return set for fail close, fail open available on request
  • Valve available in EPDM(WRAS approved) or Nitrile as standard
  • FDA liner available upon request.
  • Standard builds sized on 80psi (5.5barg)
  • Solenoids available in 24v ACDC,110V AC, 230v AC IP65.
  • Switchboxes available in 2xV3, IP67 and EXD options.
  • we can also offer a range of options to suit your industrial needs from various voltages,IP and ATEX ratings to specific enviromental applications.
  • Please contact us for further information and suitabilty.

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