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Specification Sheet · Single Jacket Mill Hose - 250 · Double Jacket Contractors Hose - 400 · Rubber Lined · 1", 1 1/2", 2", 2 1/2", 3", 4" a Scope a Single Jacket Hydrostatic Testing Stock Lengths: Standard lengths are 50, 75 and 100 feet. Quality: The fire hose assembly supplied under this spec- ification shall be constructed with superior quality materi- 1 1 Size 1" 1 /2" 2" 2 /2" 3" 4" als. NFPA 1961 standards shall be observed in production Part Number SP10-MHH SP15-MHH SP20-MHH SP25-MHH SP30-MH of the assembly, in order to ensure its quality and durability. Test Pressure 250psi 250psi 250psi 250psi 250psi 250psi Service Life: Hose furnished under these specifications Service Test Pressure125psi 125psi 125psi 125psi 125psi 125psi will have a potential service life warranty of not less than Elongation 4% 5% 6% 7% 8% 8% one year; barring mistreatment that would render it unfit Burst Test 500psi 500psi 500psi 500psi 450psi 450psi for service. Upon delivery, the hose shall be free from Kink Test 250psi 250psi 250psi 250psi 250psi 250psi defects in workmanship and materials. Any defective hose will be replaced at no charge whatsoever. a Single Jacket Weights and Measures a Jacket Construction Size 1" 11/2" 2" 21/2" 3" 4" The jackets will be woven evenly and be free of defects, Part Number SP10-MHH SP15-MHH SP20-MHH SP25-MHH SP30-MHH SP40-MH including knots, lumps, or unsightly disfigurations that Bowl Size 11/4" 13/4" 23/8" 213/16" 33/8" 43/8" Weight per 50' length could jeopardize the integrity of the hose assembly. The Uncoupled 8 lbs. 12 lbs. 18 lbs. 21 lbs. 29 lbs. 32 lbs. warp yarn shall consist of staple polyester yarn. The use of Weight per 50' length 10 lbs. 13 lbs. 20 lbs. 23 lbs. 31 lbs. 41 lbs. Coupled filament or entangled yarn is expressly forbidden due to the lack of inherent abrasion resistance. The filler yarns a Double Jacket Contractors Hose shall be constructed of high strength, low elongation, fila- Hydrostatic Testing ment polyester to reduce weight and increase flexibility. Stock Lengths: Standard lengths are 50, 75 and 100 feet. 1 1 a Abrasion Impregnation Size 1 /2" 2" 2 /2" Part Number DP15-MHH DP20-MHH DP25-MHH Hose assemblies are available with polymer impregnation Test Pressure 400psi 400psi 400psi that provide additional abrasion resistance. Colors include: Service Test Pressure 200psi 200psi 200psi yellow, orange, red, tan, black, blue and green. Color shall Elongation 5% 7% 8% be pure and even in each hose. Impregnated hose shall meet Burst Test 600psi 600psi 600psi the requirements of Mil-H-24606B for abrasion resistance. Kink Test 400psi 400psi 400psi a Lining a The rubber lining shall be a single-ply extruded tube of Double Jacket Contractors Hose synthetic rubber compounded to resist ozone. The fin- Weights and Measures ished form shall be free of pits or other imperfections and Size 11/2" 2" 21/2" have a smooth finish. No reclaimed rubber shall be used. Part Number DP15-MHH DP20-MHH DP25-MHH Plastic tubes that sacrifice durability of the hose life for the Bowl Size 115/16" 21/2" 3" sake of weight are not acceptable. Weight per 50' length Uncoupled 17 lbs. 25 lbs. 28 lbs. Backing: The backing shall be of adequate thickness to Weight per 50' length 18 lbs. 27 lbs. 30 lbs. create a smooth waterway but not greater than .020. The Coupled fire hose constructed under this specification shall be man- Key Fire Hose reserves the right to modify any specification ufactured fully backed. without prior notice to meet or exceed changing standards. Customers are advised that special diameters or construction a Couplings characteristics can be produced on special request. For more As required by purchaser, expansion ring threaded, STORZ information, please contact your Key Fire Hose Corporation clamp ring, etc. authorized distributor. KF-004 02/04