Size: 4" (4" Couplings)
Length: 25 Feet
Rubber Covered Hose, 600 Pound Test
Hose Construction: Hose shall be made from 100 percent high
tenacity synthetic yarn, circularly woven and completely protected and locked-in by
tough highly resistant synthetic nitrile rubber, forming a single homogeneous
construction without the use of glues or adhesives of any type. Meeting all
requirements of NFPA 1961.
Abrasion Resistance: Hose shall withstand 30,000 cycles on
the Taber Abrasion Machine (H-22 Wheel: 1 kg). Key Fire Hose Corporation on
request will supply written warranties that DURA-FLOW hose meets a minimum 30,000
cycles. Other abrasion test results (UL, DIN. etc.) can be supplied on request of
Cold Resistance: Hose shall have a capability of use down
to -35F. Hose shall have no apparent damage to cover, reinforcement or linings when
subjected to the following cold bending test: a 50ft. length of dry hose is to be
firmly coiled and placed in a cold box at -35F for a duration of 24 hours. Immediately
after removal of the hose froim the box, hose should be uncoiled and laid out by one
operator. Following this procedure, the hose shall not leak nor show any damage to the
reinforcement when subjected to the hydrostatic acceptance test stated above.
Ozone Resistance: Hose shall show no visible signs of
cracking to the lining or cover when tested in accordance to ASTM D518 Procedure B
Chemical Resistance: Exposure to sea water and
contamination by most chemical substances, hydrocarbons, oils, alkalis, acids and
greases must have no effect on the short or long term performance of the hose. A
chemical resistance chart is available and Key Fire Hose will supply specific chemical
resistance data on request of purchaser for unique applications.
Heat Resistance: The hose, when subjected to a static
pressure of 100 PSI, shall be capable of withstanding a surface temperature of 1200F
for a minimum of two minutes without rupture or damage to the synthetic reinforcement.
*** NAFECO INC. 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.