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304 stainless steel
Made of 304 Stainless Steel with great resistance to corrosion.(Brass is too flimsy and will broke in use), which can be connected to copper, brass, plastic, aluminum, and welded steel.
NPT thread
The standard NPT threads allow the Hex Nipple pipe fittings better mesh with the object, strengthen the fixation to prevent leakage. The threads are smoother, the installation is easier and faster.
Heavy duty
Heavy industry manufacturing, ZOUNI hex nipple made of high-quality stainless steel, can bear more pressure. It can be used in industry and households with confidence and has a long service life.
NOTE:
1. NPT Thread Size is a nominal pipe size and it does not represent the actual diameter. Please look the size chart for the specific thread diameter.
2. Please note that our ball valve is suitable for 1.6Mpa pressure pipeline, please confirm the pressure environment before purchasing.
kelly freeman
Reviewed in the United States on March 3, 2025
they fit
J Field
Reviewed in the United States on January 20, 2025
I used for buried water line connection between various PVC, brass, and stainless fittings. Top quality 3/4 NPT fittings, and certainly one of the best labels I have ever seen.
EAD
Reviewed in the United States on September 24, 2024
I’ve been a Machinist for over 50 years and have made plenty of these over the years. These are precision made on a CNC bar stock lathe. The threads are made exactly to industry standards and repeatable in every way. I’m using them on a series of high pressure hydraulic test pumps going up to 20,000 PSI. Not one problem!
Faithful
Reviewed in the United States on May 5, 2024
The reason why some have leaking are either because these won’t screw in all the way or they they will but still leak.Let me explain why.They are short on threads, and tolerance is off. Just enough, that they won’t work. They are off for most American NPT made or QC’d equipment.Look for yourself, compare a lead free brass unit from Lowe’s or Home Depot.The manufacturer of these are the same for many of the brands on Amazon, and said manufacturer should take these off the market.
musslick
Reviewed in Canada on May 10, 2024
nice and clean
Clueless
Reviewed in the United States on March 29, 2024
I purchased and used 4 of these hex nipples in 1" NPT. I found them to be very nicely made with clean threads and smooth inside and outside. They were also a good fit for the NPT female sockets that they mated to. Using tape and dope, and light to moderate tightening, there were no leaks. I found nothing needing improvement and considering the reasonable price, these rate five stars.For those that don't know, one needs to be careful when tightening two stainless parts together. Some kind of anti-seize compound is usually used on nuts and bolts to avoid galling. Given that I was plumbing potable water lines, I used some CRC food-grade anti-seize that was rated to work with stainless. It is pretty thick and goopy, much like plumber's dope. I wasn't sure if it would provide the seal, but this in combination with my favorite tape ( Oatey's FASTape ) proved to be effective. I first tested with pressurized air and bubble leak detector and every joint was good the first time. I happened to have the CRC product already, but given the excessive price might try something else before buying it for this purpose. Maybe nothing more than a conventional PTFE-based, white plumbing dope would have been fine. Just don't go medieval on the tightening as these fittings are precisely machined. And if you mix brass or copper with the stainless, the galling issues all go away.
Cliente de
Reviewed in Mexico on February 21, 2024
ESTOY COMTENTO CON EL PRODUCTO, EL EMPAQUE LLEGO BIEN Y LA CALIDAD DE LAS CUERDAS ES MUY BUENA EL PRODUCTO SE VE DE BUENA CALIDAD
Robert M. LaFave
Reviewed in the United States on December 30, 2024
No leaks
Dripdiva
Reviewed in the United States on December 22, 2024
Stainless steel and the threads are prefect, great product
ValuBuilder
Reviewed in the United States on November 17, 2024
These look great but the complaint I have is the taper is too long. Sometimes you tighten them up right to the nut and they still don't seal completely. I have had to use hydraulic sealant in some applications to get them to seal. If the female threads are not cut too deeply they work fine. The threads are smooth, cut well and the nipples to not have any sharp edges.
miguel angel hernandez
Reviewed in Mexico on January 15, 2024
Excelente producto, de alta calidad y bajo precio. Lo recomiendo ampliamente.
Jimmy Drozda
Reviewed in Canada on January 21, 2023
Tried these in my car wash. Sadly, had to change them out after short period of time as they leak. Will not but again. Labour (time) to change each time they start leaking worth more than a package of four.
Cesar E.
Reviewed in Mexico on September 17, 2022
Excelente
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