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Combat LDH-600 Specification Sheet · Rubber Covered Hose · 4" & 5" Hi-Pressure Attack Hose a Hose Construction a Ozone Resistance Hose shall be made from 100 percent high tenacity synthetic Hose shall show no visible signs of cracking to the lin- yarn, circularly woven and completely protected and locked-in ing or cover when tested in accordance to ASTM D518 by tough highly resistant synthetic nitrile rubber, forming a sin- Procedure B, 100pphm/118°F/70 hours. gle homogeneous construction without the use of glues or adhesives of any type. Meeting all requirements of NFPA 1961. a Chemical Resistance Warranty: Hose shall carry a five year written warranty. Exposure to sea water and contamination by most chem- ical substances, hydrocarbons, oils, alkalis, acids and a Lining Properties greases must have no effect on the short or long term per- Ultimate Tensile Strength: formance of the hose. A chemical resistance chart is avail- Tensile strength of the lining and cover shall not be less than 1750 PSI. able and Key Fire Hose will supply specific chemical resist- Ultimate Elongation: ance data on request of purchaser for unique applications. 500 percent minimum. a Heat Resistance Accelerated Aging Test: The tensile strength and ultimate elongation of the vul- The hose, when subjected to a static pressure of 100 PSI, canized rubber compound which has been subjected to shall be capable of withstanding a surface temperature of the action of oxygen at a pressure of 300 PSI (±10 PSI) 1200°F for a minimum of two minutes without rupture and a temperature of 158°(±18°F) for a period of 96 hours or damage to the synthetic reinforcement. shall retain 60 percent of its originally stated properties. a Hose Weight and Coil Diameters a Hydrostatic Pressure Tests The hose shall conform to the following average weights Service Test Acceptance Burst Part # Diameter and diameters. Pressure Test Pressure Pressure RC40-600G 4" 300psi 600psi 900psi Weight Coil Size Part # Diameter per foot Uncoupled uncoupled 100' Lengths RC50-600G 5" 300psi 600psi 900psi RC40-600G 4" .93lbs 26" RC50-600G 5" 1.25 lbs 29" a Abrasion Resistance a Hose shall withstand 30,000 cycles on the Taber Abrasion Color Machine (H-22 Wheel: 1 kg). Key Fire Hose Corporation on The color shall be a HI-VISIBILITY keylime green. request will supply written warranties that this hose meets a minimum 30,000 cycles. Other abrasion test results (UL, a DIN, etc.) can be supplied on request of purchaser. Couplings As required by purchaser, expansion ring threaded, a Cold Resistance STORZ clamp ring, etc. Hose shall have a capability of use down to -35°F. Hose shall have no apparent damage to cover, reinforcement or lining Special orders requiring unusual diameters or when subjected to the following cold bending test: a 50 ft. construction characteristics can be produced by length of dry hose is to be firmly coiled and placed in a cold box request. Contact our customer service representatives at -35°F for a duration of 24 hours. Immediately after removal for all your needs. *Key Fire Hose Corp. reserves the of the hose from the box, hose should be uncoiled and laid out right to modify any specification without prior notice to by one operator. Following this procedure, the hose shall not leak nor show any damage to the reinforcement when sub- meet changing NFPA standards. jected to the hydrostatic acceptance test stated above. 05/03