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Stock Level: 10 or more
Product Status: In Stock
Shipping Cost: Free Shipping
Shipping Transit Time: 2 to 5 Business Days
Eligible for Express Shipping: Yes
Stock Level Updated: Oct 4, 2024
Not intended for structural firefighting. Single jacket hoses are never used in the fire service. Also, NH / NST is the most common thread in the fire service.
How To Purchase Fire Hose
Applications
Test Ratings (Water Only With Expansion Ring Couplings)
Warning: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer/birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
1 1/2" Hose Male Couplings
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.
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.
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.
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