The “Neoprene Flex – 2 ply Large Diameter” is a double-ply neoprene coated black polyester fabric hose reinforced with a spring steel wire helix. This is a large diameter hose duct is a heavy-duty rubber coated fabric hose and is designed for use in material handling installations. This large flexible ducting is available in inside diameter sizes of 20, 22, 24, 28, 30, 36, 42, 48 inch diameter and other custom sizes up to 60 Inch. The customized size variations in this hose allow users to match their existing machinery with a hose made to order for the equipment which removes the need for customized connectors or other fixtures. This hose can also be produced in customer Metric sizes up to 1500 mm in diameter. This bulk material handling hose is black (i.e., neoprene rubber) and can be made in custom lengths up to 50 continuous feet (contingent on the I.D. size).

Need an ultra durable large air duct in field applications that may see constant abrasion? The “Neoprene Flex – 2 ply Large Diameter” is an ideal replacement for portable ventilation ducts or portable ac hoses that are installed outdoors and exposed to rough elements like sand, gravel, rains, snow and ice. Since air ventilation hoses are generally designed to handle air from the inside and out and are not made with an intent to experience abrasion from external elements, they generally have lower life expectancy in rough surroundings. Since this hose is made from a neoprene coated polyester fabric, the 2-ply rubber coated wall, it offers excellent abrasion resistance. Neoprene rubber was originally designed as a military grade part to withstand general weathering, greases, oils and light exposure to chemicals. Its presence adds tensile strength to this large flexible duct and extenuates the flexibility of the duct with added flex strength so that the duct will resist cracking over the long haul. Additional rubber coatings are available for better abrasion and/or chemical resistance, however added coating will impair the flexibility of this large flexible ducting.

This large flex duct has a temperature range of – 40 Fahrenheit to + 250 Fahrenheit. This is a wider temperature range than hoses made from PVC or vinyl. The added range allows this hose to be used effectively in environments where and around machinery and equipment that exude elevated temperatures. This hose has a 5 to 1 compression ratio in larger diameters and this allows a 25 foot length to be compressed down to a 5-foot section. This is useful when temporary and complicated installations require a large bore to flex and compress in order to fit into a limited space or structural zone. This hose is listed as UL 94 V-O flame retardant and the hose material will not act as fuel for a fire.

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