The device for degassing mine workings (URV) is designed to degas blind workings, development headings which are ventilated by local ventilation fans (VMP).
Steel gas drainage pipes are designed to drain gas-air mixtures, supply air to the face and devices of the air redistribution facilities of coal mines, including those that are gas- and dust-hazardous.
The nipple is designed to connect flexible vent pipes of the ventilation system of mine workings at the site of installation of the air velocity sensor.