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Key Fire DOUBLE JACKET Contractors Hose - 400

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Key Fire Hose Fire Protection 
Key Fire DOUBLE JACKET Contractors Hose - 400
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Application:Key Fire DOUBLE JACKET Contractors Hose - 400 Mill Heavy Hose
Lengths:Standard lengths are 50, 75 and 100 feet.
Colors:yellow, orange, red, tan, black, blue and green

Scope

Quality: The fire hose assembly supplied under this specification shall be constructed with superior quality materials. NFPA 1961 standards shall be observed in production of the assembly, in order to ensure its quality and durability.

Service Life: Hose furnished under these specifications will have a potential service life warranty of not less than one year; barring mistreatment that would render it unfit for service. Upon delivery, the hose shall be free from defects in workmanship and materials. Any defective hose will be replaced at no charge whatsoever.

Jacket Construction

The jackets will be woven evenly and be free of defects, including knots, lumps, or unsightly disfigurations that could jeopardize the integrity of the hose assembly. The warp yarn shall consist of staple polyester yarn. The use of filament or entangled yarn is expressly forbidden due to the lack of inherent abrasion resistance. The filler yarns shall be constructed of high strength, low elongation, filament polyester to reduce weight and increase flexibility.

Abrasion Impregnation

Hose assemblies are available with polymer impregnation that provide additional abrasion resistance. Colors include: yellow, orange, red, tan, black, blue and green. Color shall be pure and even in each hose. Impregnated hose shall meet the requirements of Mil-H-24606B for abrasion resistance.

Lining

The rubber lining shall be a single-ply extruded tube of synthetic rubber compounded to resist ozone. The finished form shall be free of pits or other imperfections and have a smooth finish. No reclaimed rubber shall be used. Plastic tubes that sacrifice durability of the hose life for the sake of weight are not acceptable.

Backing: The backing shall be of adequate thickness to create a smooth waterway but not greater than .020. The fire hose constructed under this specification shall be manufactured fully backed.

Couplings

As required by purchaser, expansion ring threaded, STORZ clamp ring, etc.
For more information, please contact your JGB Sales Representative.

Hydrostatic Testing
Part # Size Test
Pressure
Service
Test
Pressure
Elongation Burst
Test
Kink
Test
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DP15-MHH 1-1/2” 400psi 200psi 5% 600psi 400psi Request Quote
DP20-MHH 2” 400psi 200psi 7% 600psi 400psi Request Quote
DP25-MHH 2-1/2” 400psi 200psi 8% 600psi 400psi Request Quote


Weights and Measures
Part # Size Bowl Size Weight
per 50’ length
Uncoupled
Weight
per 50’ length
Coupled
DP15-MHH 1 1/2" 1 15/16" 17 lbs. 18 lbs.
DP20-MHH 2" 2 1/2" 25 lbs. 27 lbs.
DP25-MHH 2 1/2" 3" 28 lbs. 30 lbs.


** Customers are advised that special diameters or construction characteristics can be produced on special
request. For more information, please contact your JGB Sales Representative.