Polyester Woven PVC Coated Fabric Coal Mining Air Type: Ventilation Diameter: 100mm-2000mm Length: 1m-30m Thickness: 0.28-0.50mm Color: yellow, orange, black, white, green, red, blue... Ends: belt with iron buckle and steel ring Standard: SGS, ISO C apacity :5000meter/day Product feature:...
Polyester Woven PVC Coated Fabric Coal Mining Air
Color: yellow, orange, black, white, green, red, blue...
Ends: belt with iron buckle and steel ring
Standard: SGS, ISO
1.Diameter: 4", 6", 8", 10", 12", 14", 16", 18", 20", 24", 28", 30", 32", 36", 40",The minimum is 110mm, the maximum is 1300mm.
2.Length: from 1m to 50m; Standard Length: 15ft, 25ft, 50ft, 5m, 10m, 15m, 20m,25m, 30m.
3.Temperature range: -20F to 180F (about -10 ℃ to 85℃), heat-resistance material is up to 250℃.
4.Lightweight, high compressible, very cost effective, convenient storage, easy transport.
5.End cuff: rope, steel wire ring, belt with iron buckle, belt with plastics buckle, can be required.
6.There is a hook every meter of flexible duct. It is stainless steel or galvanized
This is actually an air distribution device and is not intended as a conduit for conditioned air. The term fabric duct is therefore somehow misleading; fabric air dispersion system would be the more definitive name. However, as it often replaces hard ductwork, it is easy to perceive it simply as a duct. Usually made of polyester material, fabric ducts can provide a more even distribution and blending of the conditioned air in a given space than a conventional duct system. They may also be manufactured with vents or orifices.
Fabric ducts are available in various colours, with options for silk screening or other forms of decoration, or in porous (air-permeable) and non-porous fabric. The determination which fabric is appropriate (i.e. air-permeable or not) can be made by considering if the application would require an insulated metal duct. If so, an air-permeable fabric is recommended because it will not commonly create condensation on its surface and can therefore be used where air is supplied below the dew point. Material that eliminates moisture may be healthier for the occupants. It can also be treated with an anti-microbial agent to inhibit bacterial growth. Porous material also tends to require less maintenance as it repels dust and other airborne contaminants.
Fabric made of more than 50% recycled material is also available, allowing it to be certified as green product. The material can also be fire retardant, which means that the fabric can still burn, but will extinguish when the heat source is removed.
Fabric ducts are not rated for use in ceilings or concealed attic spaces. However, products for use in raised floor applications are available. Fabric ducting usually weighs less than other conventional ducting and will therefore put less stress on the building's structure. The lower weight allows for easier installation.
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