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flexDUCT™ U 520 (520U)

Lightweight blower and ducting hose

A lightweight, abrasion-resistant ducting solution. The flexDUCT™ U 520 features a multi-directional, kink-resistant design with a copper-coated steel wire helix for static safety. Ideal for dust collection, vapor recovery, and woodworking, it performs reliably in temperatures from -60°F to 200°F.

flexDUCT™ U 520 (520U)

FEATURES

The multi-directional design allows the hose to flex in multiple directions without kinking or collapsing, making it ideal for dynamic environments where hoses must navigate around obstacles or move with equipment. For safety against static, the hose is also equipped with a copper-coated steel wire helix.

APPLICATION

Blower, Coal Dust, Concrete Surfacing Dust, Duct Cleaning, Grass Collection, Landfill (methane gas)

CONSTRUCTION

Flexible clear polyurethane, copper-coated steel wire helix, smooth bore, corrugated O.D., bi-directional design.

TEMPERATURE RANGE

-60°F to 200°F / -51°C to 93°C

NOTE

Built with FDA-compliant polyurethane materials.

AVAILABLE SIZES

Inside Diameter

Minimum Bend Radius

Working Pressure

Vacuum Rating

Weight

Standard Length

in / mm

72°F (22°C)
in / mm

72°F (22°C)
PSI / bar

72°F (22°C)
inHg / kPa

lb/ft / kg/m

ft / m

3 / 76.2

3.5 / 89

30 / 2.07

29.0 / 98.2

0.40 / 0.60

25, 50 / 7.6, 15.2

4 / 101.6

3.5 / 89

20 / 1.38

24.0 / 81.3

0.50 / 0.74

25, 50 / 7.6, 15.2

5 / 127.0

4.5 / 114

18 / 1.24

15.0 / 50.8

0.55 / 0.82

25, 50 / 7.6, 15.2

6 / 152.4

5.5 / 140

15 / 1.03

11.0 / 37.3

0.89 / 1.32

25, 50 / 7.6, 15.2

7 / 177.8

5.5 / 140

13 / 0.90

10.0 / 33.9

0.96 / 1.43

25, 50 / 7.6, 15.2

8 / 203.2

6.5 / 165

10 / 0.69

11.0 / 37.3

1.14 / 1.70

25, 50 / 7.6, 15.2

10 / 254.0

7.5 / 191

7 / 0.48

5.0 / 16.9

1.40 / 2.08

25, 50 / 7.6, 15.2

12 / 304.8

10.0 / 254

6 / 0.41

3.0 / 10.2

1.68 / 2.50

25, 50 / 7.6, 15.2

*Over flexing or repeated flexing of hose within 18″ (457 mm) of fitting is a common cause of hose failure. Installing a 12″-14″ (305-356 mm) section of our Banding Coil at the end of the hose should be considered. Kanaflex will not be responsible for damage to hose due to over flexing.

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