DURA-FLOW – Rubber Covered Attack HoseDURA-FLOW – Rubber Covered Attack Hose

DURA-FLOW – Rubber Covered Attack Hose

Ships via freight 3-4 days

The lightweight, small diameter, rubber covered attack hose that packs a big punch. The heat and chemical resistant, nitrile/PVC through-the-weave design provides peak performance and maximum flow. With a test pressure of 600 psi and a range of temperature tolerance from 1200 °F to -35 °C, Dura-Flow clearly outperforms conventional rubber covered attack lines. A rugged, thick rib outer jacket construction makes the hose highly resistant to kink, impact, punctures, cuts and abrasion.
Ozone resistant, maintenance-free and requires no drying, make Dura-Flow a reliable weapon in a firefighter’s arsenal. NFPA compliant and UL listed.

Colors: Red, Yellow

*Other colors available upon special request

Description

Abrasion Resistance
Hose shall withstand 10,000 cycles on the Taber Abrasion Machine (H-22 Wheel: 0.5 kg), without exposing the liner. Key Hose, on request, will supply written warranties that Dura-Flow hose meets a minimum 10,000 cycles. Other abrasion test results (UL, DIN, etc.) can be supplied on request of purchaser.

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 flexibility test: a 50′ 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.

Ozone Resistance
Hose shall show no visible signs of cracking to the lining or cover when tested in accordance to ASTM D518 Procedure B (100 pphm / 118 °F / 70 hours).

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 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 1200 °F for a minimum of one minute without rupture or damage to the synthetic reinforcement.

Couplings
As required by purchaser, expansion ring threaded, Storz clamp ring, etc. Performance The minimum burst test pressure, when tested in accordance to NFPA 1961, on all Dura-Flow diameters shall be 900 psi / 62 bar. Service test pressures stenciled on the hose shall be in accordance with current minimum requirements of NFPA 1962. *A valid UL/ULC Underwriters 500 psi / 34 bar listing shall be in force. Lengths available up to 300′.

Hose Construction
Hose shall be made from 100% 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. Dura-Flow features a raised thick rib construction to aid abrasion resistance. Dura-Flow meets or exceeds all requirements of NFPA 1961 for attack hose. Dura-Flow shall carry a 10-year written warranty against defects in materials and workmanship.

Lining Properties
Ultimate Tensile Strength – Tensile strength of the lining and cover shall not be less than 1200 psi. Ultimate Elongation – 400% minimum. Accelerated Aging Test – The tensile strength and ultimate elongation of the vulcanized rubber compound which has been subjected to the action of oxygen at a pressure of 300 psi (±10 psi) and a temperature of 158 °F (±18 °F) for a period of 96 hours shall retain 60% of its originally stated properties.

duraflow.pdf

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