ВРДВ 89-75
GENERAL DATA ON FANS
- • Of one-way suction;
- • Spiral swiveling casing;
- • Blades bent backward;
- • Quantity of blades – 12;
- • Direction of rotation – right and left under GOST 5976-9;
- • Fans are made based upon the 1st version construction diagram;
- • Forced air-cooling of electric motor is provided.
VARIANTS OF FANS PRODUCTION
Fans are made according to ТУ У 29.2-24321588-007:2006 and have a Certificate of conformity No. UA1.016.0039238-12:
- • Of carbon steel;
- • Of alloy steel;
- • Of titanium alloys;
Smoke exhaust fans of BPДВ type represent a series of nine standard sizes with air capacity from 400 m3/h to 60000 m3/h and developed full pressure from 160 Pa to 1400 Pa at a temperature of handled medium 20°C.
PURPOSES OF FANS
Fans are installed in special exhaust ventilation systems for removal of gases occurring in case of fire and their exit outside buildings and structures.
Degree of fire resistance of the fan is 120 min at a temperature of gas-air medium 600°C.
BPДВ fans are intended for operation in conditions of moderate and tropical climate (version У, Т), placement category 2, 3 under GOST 15150-69. Environmental temperature is from -30°C to 40°C (45 C for tropical version).
