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Dura-Flow Specification Sheet · Rubber Covered Hose · 1", 11/2", 13/4", 2", 21/2" and 3" by one operator. Following this procedure, the hose shall not a Hose Construction leak nor show any damage to the reinforcement when sub- Hose shall be made from 100 percent high tenacity synthetic jected to the hydrostatic acceptance test stated above. yarn, circularly woven and completely protected and locked-in by tough highly resistant synthetic nitrile rubber, forming a sin- a Ozone Resistance gle homogeneous construction without the use of glues or Hose shall show no visible signs of cracking to the lin- adhesives of any type. Meeting all requirements of NFPA 1961. ing or cover when tested in accordance to ASTM D518 Warranty: Hose shall carry a five year written warranty. Procedure B (100pphm/118°F/70 hours). a Lining Properties a Chemical Resistance Ultimate Tensile Strength: Exposure to sea water and contamination by most chem- Tensile strength of the lining and cover shall not be less ical substances, hydrocarbons, oils, alkalis, acids and than 1500 PSI. greases must have no effect on the short or long term per- Ultimate Elongation: formance of the hose. A chemical resistance chart is avail- 400 percent minimum. able and Key Fire Hose will supply specific chemical resist- Accelerated Aging Test: ance data on request of purchaser for unique applications. The tensile strength and ultimate elongation of the vul- a Heat Resistance canized rubber compound which has been subjected to The hose, when subjected to a static pressure of 100 PSI, the action of oxygen of a pressure of 300 PSI (±10PSI) and shall be capable of withstanding a surface temperature of a temperature of 158°(±18°)F for a period of 96 hours 1200°F for a minimum of two minutes without rupture shall retain 60 percent of its originally stated properties. or damage to the synthetic reinforcement. a Hydrostatic Testing a Hose Weight and Coil Diameters Part Service Test Acceptance Burst The hose shall conform to the following average weights Diameter Number Pressure Test Pressure Pressure and diameters RC10-600 1" 300psi 600psi 900psi Part Weight per Coil Size - Coupled Diameter 1 RC15-600 1/2" 300psi 600psi 900psi Number Length (Coupled) per 50' Lengths 3 RC17-600 1 /4" 300psi 600psi 900psi RC10-600 1" 10 lbs 16 in. RC20-600 2" 300psi 600psi 900psi RC15-600 11/2" 12 lbs 16 in. 1 RC25-600 2 /2" 300psi 600psi 900psi RC17-600 13/4" 14 lbs 17 in. RC30-600 3" 300psi 600psi 800psi RC20-600 2" 16 lbs 17 in. 1 RC25-600 2 /2" 24 lbs 18 in. RC30-600 3" 30 lbs 18 in. a Abrasion Resistance Hose shall withstand 30,000 cycles on the Taber Abrasion a Color Machine (H-22 Wheel: 1 kg). Key Fire Hose Corporation on The color shall be of HI-VISIBILITY yellow or red. request will supply written warranties that DURA-FLOW hose Other color available are: blue, orange and green. meets a minimum 30,000 cycles. Other abrasion test results a (UL, 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 Key reserves the right to modify any specification with- have no apparent damage to cover, reinforcement or lining out prior notice to meet or exceed changing standards. when subjected to the following cold bending test: a 50 ft. Customers are advised that special diameters or con- length of dry hose is to be firmly coiled and placed in a cold box struction characteristics can be produced on special at -35°F for a duration of 24 hours. Immediately after removal request and you are requested to contact Key Fire Hose of the hose from the box, hose should be uncoiled and laid out Corporation, Miami, Florida. KF-012 01/04