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Install (6)
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| V2420 Verafix-E Product Specification (Polish) | 05/2021 | 1472995 kb |
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| V2420 Verafix-E - Product Specification Sheet (EN) | 05/2020 | 2470627 kb |
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| V2420 Verafix-E Installation Instructions (Multilingual) | 11/2019 | 3362589 kb |
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| V2420/V2430 Verafix-E Product Specification (Czech) | 03/2021 | 5840577 kb |
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| V2420 Verafix-E Product Specification (German) | 08/2024 | 1343128 kb |
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| V2420/V2430 Technical Data (French) | 09/2020 | 2559586 kb |
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| Application | For water-based heating systems |
|---|---|
| Controlled Media | Water or water-glycol mixture according to VDI 2035 |
| DN Size | DN 20 |
| Connection Size | 3/4 in |
| Connection Type | Internal Thread |
| Mounting Location | Return Duct Mount |
| Media Temperature (Min) | 2 °C |
| Media Temperature (Max) | 130 °C |
| Draining or Filling Support | Yes |
| Pre-setting | Yes |
| Valve Body Material | Nickel-plated Brass |
| Valve Body Pattern | Angle to DIN |
| Measuring Support | No |
| Shut-off Facility | Yes |
| Warranty | 5 years |
| Product Height | 27 mm |
| Product Length | 66 mm |
The Verafix-E is a presettable radiator lockshield valve for the return connection of radiators or heat exchangers. It is used:
- in typical two-pipe heating systems
- in special applications in one-pipe heating systems
for shut-off and regulation of individual radiators. Together with a draining adapter (see Accessories) radiators can be drained or filled with the system in operation. Installation in supply also possible, draining/filling function is not supported. The lockshield valve is suitable for hot water and low pressure steam heating systems and cold water cooling systems.
- Presetting, shut-off and draining/filling with one valve
- Presettable by stroke limitation
- Optional flow direction. Performance values apply for both directions
- Piston externally O-ring sealed
- Body dimensions to DIN3842
- Connection to all types of pipe DN10 - DN20
- Materials: Valve body, tailpiece, nut, insert cartridge, Plunger and cap for fail-safe sealing made of brass, Secondary seal ring made of PTFE, Plunger o-rings and Radiator tailpiece o-rings made of EPDM 70