High nitrile content for maximum flexibility and long-term resistance to ozone sets the Key Fire Pro Flow LDH hose apart from other rubber covered hoses.
All Key Fire hoses are service tested before shipment!
Hose Construction
Hose shall be made from 100 percent high tenacity synthetic polyester yarn, circularly woven and completely protected by a through-the-weave extruded PVC/Nitrile rubber, forming a single homogeneous construction without the use of glues or adhesives of any type. Pro-Flow features a thin rib construction to aid abrasion resistance. Pro-Flow exceeds all requirements of NFPA 1961 for supply hose. Pro-Flow shall carry a 10 year written warranty against defects in materials and workmanship.
Abrasion Resistance
Hose shall withstand 10,000 cycles on the Taber Abrasion Machine.
Cold Resistance
Hose shall have a capability of use down to -35 F. Hose shall have no apparent damage to cover, reinforcement or lining when subjected to the following cold bending test: a 50 foot length of dry hose is to be firmly coiled and placed in a cold box at -35 F for a duration of 24 hours. Immediately after removal of the hose from 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.
Heat Resistance
The hose, when subjected to a static pressure of 100 PSI, shall be capable of withstanding a surface temperature of 1200 F for a minimum of one minute without rupture or damage to the synthetic reinforcement.
Applications
- Municipal Fire Departments
- Large Diameter Hydrant to Pumper
- Pumper to Pumper Relay
- LDH supply lines
Test Ratings (Water Only With Storz Couplings)
- Service Pressure (A 3-minute hydrostatic test conducted by users on in-service hose to determine suitability for continued service)
- Proof Test Pressure (A pressure equal to a least two times the service test pressure)
- PSI Burst Test Pressure
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