|Bowl Size||1 15/16"||27/16"|
|Weight per 50'||14#S||16#s|
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. Hose furnished under these specifications will have a potential service life warranty of one year; barringmistreatment thatwould render it unfit for service. Upon delivery, the hose shall be free fromdefects in workmanship and materials. Any defective hose will be replaced at nocharge.
The double 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.
The lining shall be a single-ply extruded tube of synthetic polyurethane basedmaterial to resist ozone. This special MSHA approved material shall adhere to the jacket by vulcanization process to prevent delamination and/or hydrolysis. The finished product will meet and exceed all MSHA specifications and be listed with File #18-FHA080002. This product is designed with self-extinguising charecteristics meeting MSHA standards.Neoprene or other rubber products that give off chlorine or other toxic gases shall not be acceptable.
Hydrostatic UL Testing
Service test pressure shall pass 400 PSI. Acceptance test pressure shall pass 800 PSI. Curve and straight burst testing shall pass 1200 PSI. All testing shall be in accordance with NFPA 1962 and UL-19 procedures.
Printed letters with the words "Flame-resistant USMSHA 18-FHA080002" must be permanently marked on the product with letters at least 1/4" high and at intervals not exceeding 3 feet. NFPA approved markings shall be stenciled 4 feet from each end.
Internal expansion ring threaded couplings or as requied by purchaser.
Key reserves the right to modify any specification without prior notice to meet or exceed changing standards. Customers are advised that special diameters or construction characteristics can be produced on special request. For more information, please contact your Key Fire Hose Corporation authorized distributor.