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Tecofi » Butterfly Valves » Wafer - DN40 to DN300

Wafer Butterfly Valves are the simplest and least expensive of our VP Butterfly Valves.  The body is simply clamped between PN10 or PN16 flanges, the flange bolts centre the valve body in the pipe and the sleeve forms a gasket for the flanges.

This part of the range has recently been completely redesigned to reduce cost and torque and re-branded as type VPN. It has a Cast Iron Body rated PN16 and is available with either Ductile Iron or Stainless disk.
Sizes above DN300 are shown on a different page.  Butterfly Valves Large Wafer Pattern

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.


Lever Operated

The Lever Operated VPN Butterfly Valve has a 10 position plate allowing fully open, fully closed & 8 intermediate positions.  The lever is lockable in any of the 10 positions. 
Data Sheets are here:
Wafer Butterfly Valve Ductile Iron Disc with Lever
Wafer Butterfly Valve Stainless Disc with Lever

Wafer Butterfly Valve Lever

Gear Operated (Handwheel)

The Handwheel Operated version of the VPN Butterfly Valve for easy open-closed actuation and coarse throttling.
View DataSheets:
Wafer Butterfly Valve Ductile Iron Disc with Handwheel
Wafer Butterfly Valve Stainless Disc with Handwheel

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.
Data Sheets
Wafer Butterfly Valve Ductile Iron Disc Air Operated
Wafer Butterfly Valve Stainless Disc Air Operated

Wafer Butterfly Valve Pneumatic

Air Operated - Spring Return

The Same Twin Rack & Pinion actuators fitted with spring packs.  Again with Namur drilling for solenoid valves and top drive for switch kits, positioners etc.
Data Sheets
Wafer Butterfly Valve Ductile Iron Disc Air Operated Spring Return
Wafer Butterfly Valve Stainless Disc Air Operated Spring Return

Wafer Butterfly Valve Air Spring Return

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
Wafer Butterfly Valve Ductile Iron Disc Electrically Operated
Wafer Butterfly Valve Stainless Disc Electrically Operated

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.
Wafer Butterfly Valve with Ductile Iron Disc Bare Shaft
Wafer Butterfly Valve with Stainless Disc Bare Shaft

Wafer Butterfly Valve Bare Shaft

Butterfly Wafer Valve Sizes

All the options shown on this page are available in the following sizes:
DN 40, DN 50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200, DN 250, DN300.
Or, in Imperial
1 1/2 Inch, 2 Inch, 2 1/2 Inch, 3 Inch, 4 Inch, 5 Inch, 6 Inch, 8 Inch, 10 Inch, 12 Inch

Sizes above DN300 are shown on a different page.  Click on the link below to access it.
Butterfly Valves Large Wafer Pattern

 

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Wafer Butterfly valves
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