General information - TU 4861-003-85589750 - Low pressure - Single-sided suction - Impeller blades-bent backwards - Number of impeller blades - 12 - Fans can be completed with cups, valves and trays Purpose - Fans are actively used in ventilation systems of exhaust type in public-administrative, residential buildings, production facilities, can be used for various sanitary and technical or production purposes. - Movement of air and other gas-vapour-air mixtures with temperature not exceeding 80 °С, aggressiveness of which in relation to carbon steel of ordinary quality is not higher than that of air and with content of solid impurities not exceeding 100 mg/m3, not containing sticky substances and fibrous materials. - The roof fan is installed on the roof of the building as the main link of the exhaust ventilation structure. Such fans are designed to operate without a network of ducts. Operating conditions
- Fans of VKRS type are operated in conditions of temperate (U) and tropical (T) climate of the 1st placement category according to GOST 15150-69.
- Ambient temperature is from -40°C to +40°C (45°C for tropical fans).
- The content of sticky substances, fibrous materials, as well as dust, other solid substances should not exceed 100 mg/m3.