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Teflon tape
For better sealing, we recommend using Teflon tape for pipe fittings.
Product Material
The accessory is made of 304 stainless steel, which has low temperature resistance, high temperature ductility and low magnetic permeability.
Product Details
Both ends are used to connect pipes of the same diameter for connection, termination and flow control.
Easy To Use
The deep thread design makes the accessory better engage with the object to enhance fixation.
About This Product
[Please note] When purchasing pipe fittings, consider the application, as this will affect material type, shape, size, and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness)
Realist
Reviewed in the United States on March 6, 2025
Manufacturing quality is HORRIBLE! Threads are cut/tapped out of line and off-center. This means if you have a pipe coming in and a pipe going out the other end along the same axis, they will not line up. Don't expect a straight pipe run if you use these. Some threads are somewhat smooth, while others are so bad they cut through the teflon tape. A properly cut NPT thread should self-seal when tightened down. These will NEVER self seal without LOTS of teflon tape.
sidney embry
Reviewed in the United States on January 13, 2025
Great item
Elmo
Reviewed in the United States on June 10, 2024
Light weight and pipe threads have no burrs
M. Austin
Reviewed in the United States on December 12, 2024
No burrs, seal tight, stainless looks good and has a quality finish.
Harker43
Reviewed in the United States on November 11, 2024
Excellent fitment, Stainless and threads as noted
Shaw
Reviewed in the United States on October 2, 2024
These couplings will out last the hose or the nipple you use it with, great value, high quality stainless steel, highest quality I have ever seen, than you Amazon for this vendor to become a part of Amazon Vendor family.
Robert Watt
Reviewed in the United States on September 19, 2023
Would be nice to have parts made in the US but decent quality for my application.
John Galt
Reviewed in the United States on July 31, 2023
I don't remember if this specific order was 304 stainless or 316 stainless, but when my water well developed major problems a while back, I also installed a larger propane tank, and bought quite a few stainless fittings for both systems. The water well because the high mineral content was attacking the galvanized pipe, and it had been originally built with a mixture of brass and galvanized, which caused electrolytic corrosion and leaks.Propane is normally plumbed with copper, brass, and / or black iron. However, again dissimilar metals can cause galvanic corrosion in the presence of moisture, such as long term exposure to outdoor conditions. Changing out corroded black iron for stainless, using proper Teflon tape on all the threaded connections, resulted in a good clean installation that future generations can easily maintain, expand, or modify as needed, decades or even centuries from now.304 vs 316 stainless:The most commonly encountered and lower cost stainless fittings are going to be 304. For a marine application or to handle salt water, you need the more expensive but much more chloride resistant 316 alloy.It is also wise to google for and download and study the technical details of various other stainless alloys before investing in a large plumbing installation or retrofit, to avoid making expensive mistakes.One quirk of these types of stainless is threaded fittings and fasteners are very prone to galling, even at surprisingly low torque, which then can make non-destructive disassembly very difficult. Always lubricate the threads of stainless fittings before fitting them, even for a test fit. Never assemble, even temporarily, stainless fittings "dry" direct metal to metal, as microscopic imperfections can quickly produce work-hardened bits that will lock the threads and keep you from either getting it apart, or torquing them sufficiently to get a seal. Use Teflon tape or pipe thread dope as a lubricant and sealant. For bolts and nuts or drilled / tapped surfaces, I have had good luck with a thin layer of axle grease or sometimes motor oil applied to the stainless male threads and swabbed into female threads as a galling preventative.
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