Yellow 5" x 25' Pro-Flow Rubber Hose (Storz Couplings)

Item Number: 50PF525YL
  • Yellow 5" x 25' Pro-Flow Rubber Hose (Storz Couplings)
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Storz is a type of hose coupling that connects using interlocking hooks and flanges. Amongst other uses, it has been widely employed on fire hoses in firefighting applications.

Most Storz connectors are usually made of aluminum. It is sometimes referred to as a sexless coupling, because rather than having a male and a female end connected by screw threads, either identical end can be joined to any other end of the same diameter. This is also called hermaphroditic or two-way connection. To couple a Storz connection, the two opposing couplings are pressed together such that the hooks of each one are inserted into the slots in the flange of the other. Then they are rotated in opposite directions until they are tight, or latches engage. This creates a water-tight connection between the internal packing gaskets. To uncouple them, the latches are released and the connectors are turned in the opposite directions from coupling, and then separated when the hooks and slots are aligned. Special Storz wrenches are designed for assisting with use of Storz connectors.

The main benefit to using Storz couplings is speed of hose connection, as a hose can be locked with a quarter-turn. By comparison, locking hoses using threaded couplings often takes several turns. Because of this, Storz couplings are widely viewed as a safer alternative to using threaded couplings. A secondary benefit over threaded couplings is that the connecting faces and hooks are less prone to damage if the coupling is dropped on to, or dragged over, a hard surface.

Warranty Information

Limited 10-Year Warranty

We will replace any fire hose with manufacturer defects in material and workmanship. All warranty claims must be returned to us for inspection before we determine a solution.

Our warranty does not cover gaskets, shipping cost, cosmetic damages, normal wear-and-tear, improper use or chemical damage.

Fire hoses purchased for use at Fire Training Facilities will have a 90-day Manufacturer Defect warranty only.

Upon receipt of the returned goods, hoses will be subject to inspection and testing.

Should it be determined that the hose is covered by warranty, it will be repaired or replaced.

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Additional Details

Key Fire Pro Flow LDH rubber covered lay flat hose with aluminum locking storz couplings. Pro-Flow is a high quality nitrile/PVC through the weave rubber covered lay flat supply fire hose. Meets or exceeds all requirements of NFPA 1961 for supply hose. Offers superior resistance to most chemicals, hydrocarbons, oils alkalis, acids and greases. Exellent ozone resistance. All weather performance down to -35° F.

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!

Specifications

  • 10 Year Mfg. Warranty against Mfg. defects
  • Nitrile/PVC Through-The-Weave
  • Rubber Covered Construction
  • NFPA Compliant LDH Supply Hose
  • Resistance to sea water (hose)
  • Lightweight
  • Chemical Resistance
  • Heat Resistance
  • Maintenance Free

Test Ratings (Water Only)

  • 225 PSI Service Pressure (A 3-minute hydrostatic test conducted by users on in-service hose to determine suitability for continued service)
  • 450 PSI Proof Test Pressure (A pressure equal to a least two times the service test pressure)
  • 675 PSI Burst Test Pressure

Applications

  • Municipal Fire Departments
  • Large Diameter Hydrant to Pumper
  • Pumper to Pumper Relay
  • LDH supply lines

Competitive Cross Reference Part Numbers

  • 50PF25YL = HFX50X25Y50S or RC50-450Y-25-STZ
  • 50PF25RD = HFX50X25R50S or RC50-450R-25-STZ

 

Specifications

  • Hose Size: 5 inches
  • Hose Length: 25 feet
  • Couplings: Locking Aluminum 5 inch Storz
  • Connecting Type: Sexless
  • Hose Type: Nitrile / PVC Through-The-Weave
  • Color: Yellow
  • Weight Per Foot: 1.09 pounds
  • Approximate Width Laying Flat: 7 3/4 inches
  • Warranty: 10 Years
  • Service Pressure: 225 PSI
  • Proof Test Pressure: 450 PSI
  • Burst Test Pressure: 675 PSI
  • UL Listed
  • NFPA Compliant Supply Hose

5" Hose Storz Couplings

  • Inside diameter of a storz coupling tabs or flanges: 5 13/16 inches (148mm)

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