Knee with vnutr. carving blooming 16х1/2 Comisa
Carving fitting, for the maximum convenience of installation always has special platforms on the case under a rozhkovy key. The distance between the parallel planes of two platforms precisely corresponds to the standard size of a key.
Two sealing rings on the union of connectors are made from ethylene the diene of monomer, the characteristic of durability and at which is much higher than durability, than at maslobenzostoyky black rubber of brand is sawn through. Rings provide full tightness of connection of the union and an internal surface of a pipe.