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Comparison of single-hull and bicorporal drains

Comparison of single-hull and bicorporal drains

Description of system elements

The housing is rounded which reduces pollution to a minimum and facilitates cleaning of the drain. Welds are ground, and there are no sharp edges and edges in the housing.

Gratting - this element of the ladder can have various shapes and sizes. The grating of the drainis selected in accordance with the expected loads and installation location.

Types of gratings:

  • cellular with anti-slip;
  • slotted;
  • slab;
  • perforated steel gratings.

Mesh strainer – it should be used in cases when large amounts of solid substances are present in the wastewater.

Sieve - it is used in cases when a small amount of solid substances is present in the wastewater.

Siphon trap - this element of the drain performs the function of a water seal, they are also used to simplify access to the sewage system and to quickly clean the mash.

Flange - used in cases when it is necessary to drain water from a horizontal drain.

Installation of single-hull drains Installation of bicorporal drains
1. Ensure that the drain pipe is at the correct height. 1. First of all, the lower part of drain is mounted in the floor structure. It is installed in the recess of 15-20 mm - this allows for normal condensate drain from waterproofing.
2. When concreting, the upper part of the drain should be located 1-1.5 mm below the floor. 2. Waterproofing gasket is mounted with the clamping ring on the bottom.
3. Only after a reliable fastening of the upper part of drain can next tier of the floor can be mounted. 3. Then the upper part of the drain is installed at the required level. The edge of the upper part should be at a level of 1-1.15 mm below the floor level.
4. The width of the upper part of drain should not be narrowed - this should make sure during the pouring of concrete. 4. The next part of the flooring is mounted only making sure that the upper part of drain is securely fixed.
5. Concrete must fall into all places including difficult to reach. 5. The width of the upper part of drain should not be narrowed.
  6. Concrete must fall into all places including difficult to reach.