Fire protection coupling – it is a special element of pipeline system which is used for protection the premises against fires. The group of products uncludes the several types of fire protection couplings:
- PAM-GLOBAL SVB fire protection couplings which are made of chrome steel and intended for cast iron SML pipes;
- Wavin fire couplings which are suitable for PVC pipes with diameters from 40 to 200 mm;
- Rehau fire couplings which provide fire resistance limit up to 90 min. The couplings, depending on the type, can consist of a liner made of thermo-expanding material, and a detachable casing or they can consist of two segments combined with straps;
- Geberit fire protection sleeves – the sleeves are classified as safety class S 90, R 90, EI 90 and they can have diameter from 32 to 200 mm, and the sleeves. which are suitable only for the Silent-db20 piping system, are suitable for pipes with diameters from 56 to 160 mm.