ISOPAL crimped couplers must be used in buried sections and preferably in heating installations (6 bars).
Crimped couplers, with weld-on nozzle, are made from:
- St 37.0 S, material No. 1.0254, according to DIN 2448,
- dezincification-resistant brass CZ 132,
- red brass RG 7. Threaded unions are made from robust high-quality brass in compliance with DIN 8076.
Technical features and installation instructions for ISOPAL accessories are provided in the
ISOPAL catalogue.