«Spetszhelezobeton» JSC

 · Diameter, mm – 800, 1000, 1200, 1400, 1600, 2000.

· Useful length, mm – 2500.

· Weight, t – from 1,64 to 6,7.

· Are made of heavy concrete of a class В25.

· Mark of concrete on water resistance is not bellow than W 4.

· Mark of concrete on frost resistance – not bellow than F 200.

· Mark of concrete on water absorption – not more than 6 %.

Sealing elements from rubber are used for weatherproofing of butt connection of pipes.