Yellow 2 1/2" x 50' Rubber Hose (Alum NH Couplings)

Item Number: 25R650YL
  • Yellow 2 1/2" x 50' Rubber Hose (Alum NH Couplings)
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NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST.

  • The female side of a NH / NST coupling will only connect to a male NH / NST connection
  • The male side of a NH / NST coupling will only connect to a female NH / NST connection

NPSH: National Pipe Straight Hose (NPSH) or Iron Pipe Thread (IPT) has the same threads per inch (TPI) as National Pipe Tapered (NPT) but the thread does not taper. NPSH is a straight thread and seals by a gasket in the female coupling which allows for a swivel, just like NH / NST, which make both ideal for hose couplings.

  • The female side of a NPSH coupling will only connect to a male NPT pipe or a male NPSH connection
  • The male side of a NPSH coupling will only connect to a female NPSH connection.
    It will NOT thread into a female NPT pipe. For example, a male NPSH coupling will NOT thread into a female metal or pvc pipe.

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

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

 

Our rubber covered lay flat hose is a synthetic, single-jacket hose with a nitrile/PVC rubber lining and cover. The outside jacket offers superior resistance to acids, alkalis, oils, gasoline and ozone. Meets NFPA 1961 standards. All weather performance from -35° F to 118° F.

Applications

  • Municipal Fire Departments
  • De-contamination / Wash Down
  • Fire Rescue
  • Chemical Fire Protection
  • Shipboard Firefighting
  • Heavy-Duty Industrial Use

Test Ratings (Water Only With Expansion Ring 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

Download Spec Sheet

Specifications

  • Hose Size: 2 1/2 inches
  • Hose Length: 50 feet
  • Male Coupling: Aluminum 2 1/2 inch NH / NST
  • Female Coupling: Aluminum 2 1/2 inch NH / NST
  • Hose Type: Nitrile / PVC Through-The-Weave
  • Color: Yellow
  • Weight Per Foot: 0.53 pounds
  • Approximate Width Laying Flat: 4 1/2 inches
  • Service Pressure: 300 PSI
  • Proof Test Pressure: 600 PSI
  • Burst Test Pressure: 900 PSI
2 1/2" Hose Male Couplings
  • Inside diameter of a male coupling: 2 1/2 inches
  • Outside diameter of a male NH / NST coupling: 3 1/16 inches (3.06) - 7.5 Threads per inch
  • Outside diameter a male NPSH or NPT coupling: 2 7/8 inches (2.84) - 8 Threads per inch

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