Domestic fans 
Industrial and commercial fans 
Single-room ventilation systems with heat recovery 
Air handling units 
Air heating systems 
Smoke extraction and ventilation 
Accessories for ventilating systems 
Electrical accessories 
Ventilation ducts and fittings 
Air distribution components 
Ventilation kits and vents Air duct characteristics
| TABLE 1. AIR DUCTS CHARACTERISTICS |
| TABLE 2. CHEMICAL RESISTANCE OF FLEXIBLE AND SEMI-FLEXIBLE ALUVENT AIR DUCTS |
| TABLE 3. CHEMICAL RESISTANCE OF SEMI-FLEXIBLE THERMOVENT AIR DUCTS |
Table 1. Air ducts characteristics
| Series | Material | Temperature mode, °С |
Aspiration of chemical vapours and aggressive substances |
Aspiration of abrasive and powdered particles | Application |
| Polyvent 605 | Flexible non-insulated aluminium foil air ducts with steel wire frame | -30 ... +250 (for М0) -30 ... +150 (for М1) |
+ | - | Residential and industrial ventilation, air conditioning and heating systems, peripheral sections of large central utility systems with the maximum pressure 3000 Pa and special fireresistance requirements to air ducts (M0 or M1 models). |
| Isovent 605 | Flexible aluminium foil heatinsulated air ducts Iso – sound-insulation; Sono – thermal insulation | -30 ... +250 (for М0) -30 ... +150 (for М1) |
+ | - | Residential and industrial ventilation, air conditioning and heating systems, peripheral sections of large central utility systems with the maximum pressure 3000 Pa and special fire-resistance requirements to air ducts (M0 or M1 models). Especially suitable for applications with requirements to thermal insulation (Iso series) or sound insulation (Sono series) to prevent condensate generation, heat and cold losses and noise level decrease. |
| Polyvent N | Flexible non-insulated air ducts with steel wire frame covered with metalized polyester film (45 μm) | -30...+120 | + | - | Residential and industrial ventilation, heating and air conditioning systems with no special requirements to the combustibility and temperature resistance, in heat accumulation units and peripheral sections of large central utility systems with the maximum pressure 3000 Pa. |
| Isovent N | Flexible insulated air ducts with steel wire frame covered with metalized polyester film (45 μm) Iso – sound-insulated; Sono – thermal-insulated | -30...+120 | + | - | Residential and industrial ventilation, air conditioning and heating systems with special flammability and temperature resisting requirements, in particular for applications with the need of heat insulation combined with flexible air ducts to prevent condensate generation and heat and cold losses as well as in peripheral sections of large central utility systems with the maximum pressure 3000 Pa. |
| Polyvent 660 | Flexible PVC film non-insulated air ducts with steel wire frame (65 μm) | -18...+70 | - | - | Residential and commercial ventilation systems. |
| Polyvent 661 | Flexible PVC film noninsulated air ducts with steel wire frame (110 μm) | -18...+70 | - | - | Residential and commercial ventilation systems. |
| Polyvent 606 | Flexible non-insulated PVC film air ducts with steel wire frame (250 μm) | -18...+90 | - | + | Residential, commercial and industrial ventilation and air conditioning systems operating in heavy-duty mode for humid air removal, removal of smoke, postwelding gases, powdered solid particles, waste chips, fibres, vapours, soot and low-abrasive materials. |
| Polyvent 607 | Flexible non-insulated PVC film air ducts with steel wire frame (700 μm) | -18...+90 | + | + | Industrial ventilation systems operating in heavy-duty mode for humid air removal, removal of smoke, postwelding gases, powdered solid particles, waste chips, fibres, vapours, soot and abrasive materials. |
| Polyvent 600 | Flexible non-insulated air ducts with steel wire frame made of PVC-coated polyester fabric (250 μm) | -21...+110 | + | + | Industrial ventilation systems operating in heavyduty mode, incl. agricultural and pharmaceutical applications for aspiration of granulated material, removal of chemical vapours, smoke, postwelding gases, powdered solid particles, waste chips, fibres, vapours, soot and low-abrasive dust and in environment with special temperature resistance requirements (up to +110 °С). |
| Polyvent 601 | Flexible non-insulated air ducts with steel wire frame made of PVC-coated polyester fabric (250 μm) | -21...+110 | + | + | Industrial ventilation systems operating in heavy-duty mode, incl. agricultural and pharmaceutical applications for aspiration of granular and granulated material, removal of chemical vapours, smoke, postwelding gases, powdered solid particles, waste chips, fibres, vapours, soot and low-abrasive dust and in environment with special temperature resistance requirements (up to +110 °С). |
| Polyvent 620 | Flexible polyurethane noninsulated air ducts with steel wire frame (250 μm) | -21...+110 | + | + | Industrial ventilation systems, the ideal solution for application in woodwork and timber industry, car service and fuel stations, oil refineries. Used for removal of gas mixture with high abrasive dust content. Suitable for outside installation. |
| Polyvent 621 | Flexible polyurethane noninsulated air ducts with steel wire frame (450 μm) | -21...+110 | + | + | Industrial ventilation systems, the ideal solution for application in woodwork and timber industry, car service and fuel stations, oil refineries. Used for removal of gas mixture with high abrasive dust content. Suitable for outside installation. |
| Polyvent 665 | Flexible non-insulated air ducts with steel wire frame covered with aluminium foil and polyether | -30 ... +250 (for М0) -30 ... +150 (for М1) |
+ | - | Residential ventilation and air conditioning systems of living quarters, administrative and public premises. |
| Polyvent 615 | Flexible polyurethane noninsulated air ducts with steel wire frame (150 μm) | -18...+70 | - | - | Residential ventilation systems. Recommended for ventilation of child care centres, educational and medial facilities, spa resorts. |
| Aluvent | Semi-flexible aluminium air ducts (50 μm, 80 μm, 100 μm) | -30…+ 250 | + | + | Residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa. |
| Thermovent | Semi-flexible galvanized or stainless steel air ducts (80 μm, 100 μm) | -30…+700 | + | + | Residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa for hot air removal from boiler houses and smoke exhaust systems. |
| Thermovent Aero | Stainless steel air ducts with high temperature resistance (100 μm) | -30…+800 | + | + | Residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa for hot air removal from boiler houses and smoke exhaust systems. |
| Thermovent Flex | Semi-flexible corrugated stainless steel air ducts with high temperature resistance (100 μm) | -30…+800 | + | + | Residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa for hot air removal from boiler houses and smoke exhaust systems. |
| Thermovent Aero Flex | Double-layer stainless steel air ducts with smooth internal surface and corrugated external layer | -30…+800 | + | + | Residential and industrial ventilation, air conditioning and heating systems with the maximum pressure 10 000 Pa for hot air removal from boiler houses and smoke exhaust systems. |
Table 2. Chemical resistance of flexible and semi-flexible Aluvent air ducts
| Air duct type | 615, 6150 | 660, 661, 602, 607 | 606, 6061 | 600, 601 | 620, 6201, 621 | Aluvent |
| DDT-kerosene | Х | A | A | A | A | A |
| Skydrol-oil for hydraulic systems | X | 0 | 0 | 0 | 0 | 0 |
| Nitric acid 10% | A | A | A | A | A | A |
| Amyl alcohol | A | A | A | A | A | A |
| Ammonium hydrate | A | A | A | A | A | A |
| Acetylene | 0 | 0 | 0 | 0 | 0 | A |
| Acetone | A | X | X | X | 0 | A |
| Benzene | X | X | X | X | 0 | B |
| Potassium bicarbonate | A | A | A | A | A | A |
| Butyl alcohol | X | A | A | A | A | A |
| Butyl ether | 0 | A | A | A | A | 0 |
| Vinyl chloride (monomer) | X | X | X | X | 0 | 0 |
| Glycerine | A | C | C | C | C | A |
| Tannic acid | A | A | A | A | A | A |
| Potassium carbonate | A | A | A | A | A | X |
| Sodium carbonate | A | A | A | A | A | A |
| Xylene | X | X | 0 | 0 | 0 | A |
| Hydraulic oil | 0 | 0 | 0 | 0 | C | 0 |
| Methyl alcohol | A | A | A | A | A | A |
| Formic acid | B | 0 | 0 | 0 | C | B |
| Nitrobenzene | X | X | X | X | 0 | A |
| Ozone | X | A | A | A | A | B |
| Hydrogen peroxide | B | A | A | A | A | A |
| Perchloroethylene | X | 0 | 0 | 0 | 0 | B |
| Sodium chloride | A | A | A | A | A | B |
| Natural gas dry | A | A | A | A | A | B |
| Propane (gas) | A | A | A | A | A | A |
| Sulphuric acid 10% | A | A | A | A | A | B |
| Hydrogen sulfide, wet | A | 0 | 0 | 0 | 0 | A |
| Hydrogen sulfide, dry | A | 0 | 0 | 0 | 0 | A |
| Esters (non-flammable) | 0 | 0 | 0 | 0 | 0 | 0 |
| Hydrochloric acid 15% | A | A | A | A | A | 0 |
| Spirits | 0 | C | C | C | B | 0 |
| Toluene | X | X | X | X | 0 | A |
| Jet oil JP-1 | X | A | A | A | A | 0 |
| Trichloroethylene (tri) | X | 0 | 0 | 0 | 0 | C |
| Heavy-flammable | N | N | J | J | J | J |
| Carbon monoxide | A | 0 | 0 | 0 | 0 | A |
| Carbon dioxide | A | A | A | A | A | A |
| Carbonic acid | A | A | A | A | A | A |
| Pheron 12 | 0 | B | B | B | B | 0 |
| Ammonium phosphate | 0 | A | A | A | A | B |
| Sodium phosphate | A | A | A | A | A | A |
| Phosphoric acid 50% | A | A | A | A | A | B |
| Chlorine dry | X | 0 | 0 | 0 | 0 | B |
| Potassium chlorate | A | A | A | A | 0 | A |
| Aluminium chloride | A | A | A | A | A | B |
| Ammonium chloride | A | A | A | A | A | A |
| Ferric chloride | A | 0 | 0 | 0 | 0 | X |
| Antimonous chloride 50% | A | 0 | 0 | 0 | 0 | B |
| Zinc chloride | A | A | A | A | A | C |
| Ethylic alcohol | A | A | A | A | A | 0 |
| A - High resistance | В - Medium resistance | С - Relative resistance | Х - No resistance |
| 0 - No data | J - Heavy flammable (Yes) | N - Not flammable (No) |
Table 3. Chemical resistance of semi-flexible Thermovent air ducts
| Air duct type | |
| Thermovent, Thermovent Aero, Thermovent Flex, Thermovent Aero Flex | |
| Ammonium hydroxide | Resistant |
| Nitric acid | Up to 30%, 100°C |
| Barium chloride, dehydrate | Up to 20%, 100° C |
| Isopropyl alcohol | Resistant |
| Hydrochloric acid | Up to 1%, 50°C |
| Potassium chromate | Resistant |
| Potassium bichromate | Resistant |
| Potassium hydroxide | Up to 50%, 20°C |
| Fuel oil | Resistant |
| Caustic soda | Up to 40%, 90°C |
| Sulphuric acid | Up to 3%, 50°C |
| Toluene | Resistant |
GENERAL INFORMATION ON AIR DUCTS |
AIR DUCT DESIGN |
AIR DUCT MOUNTING |
