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Tecofi » Butterfly Valves » Wafer - DN350 to DN1200

Wafer Butterfly Valves are the simplest and least expensive type of Butterfly Valve.  The body is simply clamped between PN10 flanges, the flange bolts centre the valve body in the pipe and the sleeve forms a gasket for the flanges.

This part of the size range has a Ductile Iron Body rated PN10 and is available with either Ductile Iron or Stainless disk.  We also manufacture rated PN16, please email us for details.
Sizes smaller than DN350 are shown on a different page.Small Wafer Butterfly Valves

The Standard sleeve is EPDM but this can easily be changed to Nitrile (NBR), FPM (Generic Viton®), CSM (Generic Hypalon®) or Silicone.
Click here for Sleeve Material Details.
Viton and Hypalon are Registered Trade Marks of DuPont.


Gear Operated (Handwheel)

At these sizes Lever Operation is impractical so the basic actuator is the Handwheel Operated version.
View DataSheets:
Large Wafer Butterfly Valve Ductile Iron Disc with Handwheel
Large Wafer Butterfly Valve Stainless Disc with Handwheel

Large Wafer Butterfly Valve Gear

Air Operated - Double Acting

Twin Rack & Pinion Double Acting actuator with Namur drilling for solenoid valves and top drive for switch kits, positioners etc.  Standard design is up to DN600, above this actuators are sized case by case, please email us for details.
Data Sheets
Large Wafer Butterfly Valve Ductile Iron Disc Air Operated
Large Wafer Butterfly Valve Stainless Disc Air Operated

Large Wafer Butterfly Valve Pneumatic

Electrically Operated

Being a French valve, our standard Electric Actuator is manufactured by Bernard.  We can, of course, fit Electric Actuators manufactured by any of the manufacturers - Auma, Rotork, Limitorque etc.
Data Sheets with Bernard Actuators are available below
Large Wafer Butterfly Valve Ductile Iron Disc Electrically Operated
Large Wafer Butterfly Valve Stainless Disc Electrically Operated

Large Wafer Butterfly Valve Electric

Bare Shaft

If you want to fit another type of actuator, take a bareshaft valve, or we can fit and test it for you. Contact us for details

Large Wafer Butterfly Valve Bare Shaft

Butterfly Wafer Valve Sizes

This part of our range is available in the following sizes:
DN 350, DN 400, DN 450, DN 500, DN 600, DN 700, DN 750, DN 800, DN 900, DN 1000, DN 1200.
Or, in Imperial
14 Inch, 16 Inch, 18 Inch, 20 Inch, 24 Inch, 28 Inch, 30 Inch, 32 Inch, 36 Inch, 40 Inch, 48 Inch.

Sizes smaller than DN350 are shown on a different page.  Click on the link below to access it.
Small Wafer Butterfly Valves

 

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Lugged Butterfly valves
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