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- The Female Will Only Connect To A Male 1 inch NH / NST
- The Male Will Only Connect To A Female 1 inch NPSH
- Complies With NFPA 1963 (Corrosion Resistance)
- 99.95% Lead Free
The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99.75% lead free.
Aluminum adapters are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963.
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. Warning - 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.
Jason Sands-MVFD
Reviewed in the United States on August 24, 2023
Works great like it is designed to. Thanks for having it in stock.
RW
Reviewed in the United States on August 13, 2023
WORKS BUT OVERPRICED.
victor
Reviewed in the United States on June 29, 2022
Loved the product. Just wish it wasn’t so expensive
Tracy
Reviewed in the United States on August 15, 2019
Nice quality! This fit perfectly and seems like it will hold up to some abuse. Couldnt find anywhere locally, thanks Amazon!!!
J.correa
Reviewed in the United States on March 3, 2019
Great quality
Customer
Reviewed in the United States on March 26, 2019
This product worked well at our firehouse for the apparatus undercarriage washer. I needed a reducer from forestry hose to garden hose. And it worked!
SoundMan
Reviewed in the United States on November 6, 2017
As described. Well made.
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