Hela couplings
HELA couplings for pre-insulated pipes are manufactured in accordance with the ISO 15875-5 standard. They are made from dezincification-resistant brass, allowing safe use for drinking water transmission and approved by hygienic certification (NIZP-PZH).
Our screw-compression couplings are clearly marked with the nominal diameter, carrier pipe wall thickness and pressure class (PN6 or PN10).
The compact design of the couplings minimises storage space requirements, while the innovative construction enables quick and simple installation without the need for specialised hydraulic tools. The couplings are fitted as standard with taper threads in compliance with ISO 7.
Straight connector with male thread hela d
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Coupling for use in cold and hot water distribution systems, industrial installations and district heating networks.
Available in diameters from 20 to 100 mm
- Extremely simple assembly using basic tools.
- Dezincification-resistant fittings.
- Approved by the National Institute of Public Health (PZH).
| Designation | External thread R [inch] | External thread R [inch] | Weight [kg] | Catalogue no. |
|---|---|---|---|---|
| D 20 20 | ¾” | ¾” | 0.05 | 61402002000T |
| D 25 20 | 1” | ¾” | 0.06 | 61402502000T |
| D 25 25 | 1” | 1” | 0.12 | 61402502500T |
| D 32 25 | 1 ¼ ” | 1” | 0.16 | 61403202500T |
| D 32 32 | 1 ¼ ” | 1 ¼” | 0.31 | 61403203200T |
| D 50 32 | 2” | 1 ¼” | 0.14 | 61405003200T |
| D 50 50 | 2” | 2” | 0.32 | 61405005000T |
| D 80 50 | 3” | 2” | 0.63 | 61408005000T |
| D 80 80 | 3” | 3” | 0.60 | 61408008000T |
| D 100 80 | 4” | 3” | 1.54 | 61410008000T |
| D 100 100 | 4” | 4” | 2.05 | 61410010000T |
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