Key Fire DOUBLE JACKET 600 UL Listed

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Key Fire Hose Fire Protection 
Key Fire DOUBLE JACKET 600 UL Listed
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Application:Key Fire Double Jacket 600 Pound Test UL Listed - Rubber Lined


  • Double Jacket 600 Pound Test
  • Rubber Lined
  • 1-1/2", 1-3/4", 2", 2-1/2", 3", 4"


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 ten years; 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 filter 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 Mill-H-24606B for abrasion resistance.


The rubber lining shall be a single-ply extruded tube of synthetic EPDM compounded to resist ozone. The finish 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 using a calendered EPDM. The use of adhesives of any kind are acceptable and expressly forbidden.

Tensile Strength & Ultimate Elongation: Shall meet the standards of Underwriters Laboratories, Inc.TM as well as all other properties of UL-19 for rubber lined hoses. A valid U.S. Underwriters inspection procedure shall be in force.

Hydrostatic Testing

Stock Lengths: Standard lengths are 50, 75, and 100 feet.
Size Test
Elongation Twist
per foot
Warp Rise Burst Test Kink
Request a Quote
DP15-600 1 1/2" 600psi 6% 15° right 10" 0 1000psi 500psi Request Quote
DP17-600 1 3/4" 600psi 6% 15° right 10" 0 1000psi 500psi Request Quote
DP20-600 2" 600psi 6% 10° right 10" 0 1000psi 500psi Request Quote
DP25-600 2 1/2" 600psi 6% 10° right 10" 0 1000psi 500psi Request Quote
DP30-600 3" 600psi 7% 8° right 10" 0 1000psi 450psi Request Quote
DP40-600 4" 600psi 8% 7 1/2° right 10" 0 1000psi 400psi Request Quote

Finished Hose

Markings: Beginning at a point not less than four feet from the end, each fifty foot section shall be stencilled in indelible ink with letters at least one inch high stating the name of the manufacturer, month and year of manufacture, and service test to 300 PSI. The ink will be of a contrasting color.

Methods of Testing: All measurements and tests necessary to determine compliance of the fire hose specified requirements shall be made with ASTM, UL and NDPA 1961 designation, unless otherwise prescribed.


As required by purchaser, expansion ring threaded, STORZ clamp ring, etc.

Weights and Measures

Part Number Size Bowl Size Weight
per 50’ length Uncoupled
per 50’ length Coupled
DP15-600 1 1/2"* 1 15/16" 17 lbs. 18 lbs.
DP17-600 1 3/4"* 2 1/8" 19 lbs. 20 lbs.
DP20-600 2"* 2 1/2" 25 lbs. 27 lbs.
DP25-600 2 1/2"* 3" 28 lbs. 30 lbs.
DP30-600 3"* 3 9/16" 38 lbs. 41 lbs.
DP40-600 4"* 4 9/16" 53 lbs. 59 lbs.
*Available with a UL label add-on

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