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.
Hela b reduction coupling
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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 125 mm
- Extremely simple assembly using basic tools
- Dezincification resistant fittings
- Have PZH approval
| Designation | External thread R [inch] | Internal thread Rp [inch] | Weight [kg] | Number catalog |
|---|---|---|---|---|
| B 25 20 | 1” | ¾” | 0.06 | 613 025 020 |
| B 32 25 | 1 ¼” | 1” | 0.11 | 613 032 025 |
| B 50 25 | 2” | 1” | 0.32 | 613 050 025 |
| B 50 32 | 2” | 1 ¼” | 0.38 | 613 050 032 |
| B 65 50 | 2 ½” | 2” | 0.52 | 613 065 050 |
| B 80 50 | 3” | 2” | 0.79 | 613 080 050 |
| B 80 65 | 3” | 2 ½” | 0.85 | 613 080 065 |
| B 100 50 | 4” | 2 ” | 1.53 | 613 100 050 |
| B 100 80 | 4” | 3” | 2.14 | 613 100 080 |
| B 125 80 | 5” | 3” | 2.24 | 613 125 080 |
| B 125 80 | 5” | 4” | 2.70 | 613 125 100 |
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