TF20
The TF20 butterfly valve comes with short face to face double flange design and is suitable for the most common standards (DIN, ANSI, BS). Thanks to its design and great strength, it is suitable for all applications requiring the use of a double flange valve, such as installation at the line end.
CHARACTERISTICS TF20
Design
Case shape
Nominal sizes
Material
Pressure rating
Flange drilling
Face to face dimension
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Due to the special shape of the seal, the pressure direction is possible from both sides.
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Spherical discs with polished edges.
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Excellent flange tightness thanks to sealing lips on the liner.
Application areas
Mining
e.g.
Acids and phosphates
...
Chemical and petrochemical industries
e.g.
Chemically contaminated waste water
...
Infrastructure
e.g.
Industrial water, Mixed water
...
Food and beverage
e.g.
Syrups, juices and beverages
...
Water treatment
e.g.
Potable water, Seawater, Saltwater
...
Case Study – WWTPBasel
More than 100 butterfly valves for one of the largest sewage plants in Switzerland
PDFMATERIAL OF CONSTRUCTION
| Part | Ductile iron | |
| Body | EN-GJS-400-15 | |
| Disc | 1.4408 | |
| Seal | EPDM | |
| Shaft | AISI 420 | |
| Shaft bearing | Acetyl / Steel bronze PTFE / Bronze | |
Other materials upon request
CORROSION PROTECTION
| Body | EKB powder coat | |
ACTUATORS
Manual lever
Manual gearbox
Pneumatic actuator
Electric actuator
General documents
- Product brochure butterfly valves
PDF - Instruction manual
PDF - Flange connections and pressure ratingsPDF
- MaterialsPDF
- Flow rate valuesPDF
- Standard torque values
PDF - Declaration of conformity DGRL
PDF - Declaration of conformity ATEX
PDF - Declaration of incorporation ECMD
PDF - DVGW / SVGW Certificates
ZIP - Tender invitation text
PDF
Data sheets
CAD files
