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Tecofi » Butterfly Valves » Double Flanged - DN350 to DN1200

Double Flanged Butterfly Valves are the solution for end of line duty or where piping may need to removed from one side of the valve.  The body is cast with integral double 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 offered with threaded lugs, these are shown on a different page.Lugged 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:
Double Flanged Butterfly Valve Ductile Iron Disc with Handwheel
Double Flanged Butterfly Valve Stainless Disc with Handwheel

Double Flanged 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
Double Flanged Butterfly Valve Ductile Iron Disc Air Operated
Double Flanged Butterfly Valve Stainless Disc Air Operated

Double Flanged 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
Double Flanged Butterfly Valve Ductile Iron Disc Electrically Operated
Double Flanged Butterfly Valve Stainless Disc Electrically Operated

Double Flanged 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.

Double Flanged Butterfly Valve Bare Shaft

Double Flanged Butterfly 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 offered with threaded lugs, these are shown on a different page.  Click on the link below to access their page.
Lugged Butterfly Valves

 

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Double Flanged Butterfly valves from a UK valve expert.

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