The fire protection black pipes are used for transport of water.
In utmost the pipes of fire safety instead of threaded exists groove for the placement of special element (clamp) and the union of these from each other.
Surface protection against oxidation with color black of type Bitulak.
The following controls are executed so the final product completes the requirements of models EN of 10255 (Pipe [YBT])
1. Reaction in the fire
2. Control of mechanic attributes
3. Chemical constitution
4. Hydrostatic trial
5. Control of dimensions: is realized spot check of dimensions of pipes and thickness of galvanized the dimensions control takes place each day for each type of pipe, and each lot of production.
6. Optical control
The pipes [ET] of (Common Trade) are general use without special requirements and specifications model.
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Table Black Nikol Piro