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Clear Polyurethane Hose & Fittings

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At Spiral Manufacturing Co., Inc., we offer highly durable and flexible clear polyurethane hose & fittings for a range of highly demanding applications.

flexible hose cross section

flexible hose connections

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flexible hose applications

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Warning: To minimize the possibility of a static discharge igniting suspended particulates, it is vital to ground the helix wire to both the machine and the duct system as illustrated above.

Construction:  Light duty clear polyurethane wall hose with spring steel wire helix construction.
Product Features:

  • Gouge, cut, and chemical resistant
  • Exceptional compressibility
  • Handles a wide range of temperatures
  • Maximum abrasion and flexibility resistance
  • Facilitates efficient flow

Applications:  Recommended for industrial dust control, fume control, and air movement applications.
Standard Lengths: 10, 15, and 25 feet
Diameter Range (Inches I.D.): 2″ to 18″ (Available up to 24″)
Temperature Range: -65° F to 225° F
I.D. Tolerances (Inches): Up to 8″: -0.00 to +0.125; 8″ and over: -0.00 to +0.250 inch
Wall Thickness: HD = .045; LD = .020
Standard Color: Standard HD color: black; Standard LD color: clear.
End Finish: Plain Cut

Table 33-1: Flexible Hose Properties
Inside Dimensions (inches) Approx. Wgt. (lbs./ft.) Minimum Centerline Bend Radius (inches) Com- pression Ratio Maximum Recom- mended Negative Pressure (in./Hg) Maximum Recom- mended Positive Pressure (psi)
2 .19 1.4 5:1 29 30
2.5 .29 1.4 5:1 19 30
3 .3 1.8 5.5:1 29 30
4 .46 2.7 6:1 24 22
5 .56 3.4 6.5:1 13 18
6 .66 3.8 6.5:1 8 15
7 .73 4.2 6.5:1 8 10
8 .65 5.2 6.5:1 2 7
10 1.1 6 6.5:1 2 7
12 1.3 7 6.5:1 1.7 6
14 1.5 8.4 6.5:1 1.1 5
16 1.7 9.6 6.5:1 .7 4.6
18 1.9 11 6.5:1 .5 4.1

Note: Technical data based on 2 ft. straight lengths of hose @ 72° F

Complete Technical Data

Flexible Steel Hose & Hose Clamps

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flexible hose clamps

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flexible hose bridge clampsThese clamps are designed only for a black heavy duty and clear polyurethane flexible hose. Bridge clamps produce a tight seal on a standard right-hand spiral wire flex hose. Type 301 stainless is steel is used for the housing and band. The band is 0.025” thick and 1/2″ wide. The screw material is Type 305 stainless steel.

Table 34-1: Hose Clamp Sizes
No. Range
02HC 1-13/16 – 2-3/4″
03HC 2-9/16 – 3-1/2″
04HC 3-1/2 – 5-1/2″
05HC 4-1/2 – 6-1/2″
06HC 5-3/4 – 7-3/4″
07HC 6-1/2 – 8-1/2″
08HC 2 – 10″
10HC 9-1/2 – 11-1/2″
12HC 11 – 13″
14HC 12-1/2 – 14-1/2″
16HC 15-3/8 – 17-3/8″
18HC 18 -20

Note: To determine the spiral direction of your hose, look at the end of the hose. If the spiral goes away from you in a clockwise direction, then the hose has a right-hand spiral.

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steel flexible hoseSteel flexible hose is manufactured from hot-dipped, galvanized carbon steel and is strip-wound interlocked. You can choose between two different gauge thicknesses based on the type of service required. This steel flexible hose has a temperature rating up to 788° F and may be twisted but will not unravel. We suggest an operating temperature no greater than 400° F with this hose. The hose is extended fully when sold, but may have a shorter length than specified if compressed. As a galvanized steel all-metal blower and suction hose for fume and dust collection, it is an ideal option for wood shop molders.

From a completely collapsed position, the tubing may be lengthened 2.5” per foot when subjected to a 25 lb. to 45 lb. tension load. The flexible hose may be used in systems in a semi-compressed condition, halfway between fully compressed and fully extended.

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Table 34-2: U100 .010″-.012″ strip thickness
Inside Diameter (inches) Minimum Inside Throat Radius (inches) Approx. Weight Per Foot (lbs.)
2″ 6.34 .70
3″ 9.75 1.02
4″ 12.00 1.38
5″ 16.25 1.70
6″ 19.50 2.00
7″ 22.75 2.33

 

Table 34-3: U120 .018″-.020″ strip thickness
Inside Diameter (inches) Minimum Inside Throat Radius (inches) Approx. Weight Per Foot (lbs.)
8″ 30.00 4.65
9″ 36.00 5.22
10″ 40.00 5.78
12″ 48.00 6.91