Utah Pneumatic Push-To-Connect Air Fittings Female Straight Pneumatic Fitting 1/4" Od 1/4" Npt Quick Connect Push Air Fitting Air Connector Pneumatic Push(1/4" od 1/4" Npt)
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Copper pipe necessitates the use of a ferral fitting, which can be found at any Home Depot or Lowe's. These are only for DOT air hose, which is a hard clear nylon tubing that is semi-flexible and coated with a softer polyethylene. To hold the polyethylene in place, these fittings have tiny stainless steel balls that bite into it.
I'm sorry, but these tefen nozzles are unfamiliar to me. These are what I used for my compressor's air release circuit, and they work perfectly.
Selected User Reviews For Utah Pneumatic Push-To-Connect Air Fittings Female Straight Pneumatic Fitting 1/4" Od 1/4" Npt Quick Connect Push Air Fitting Air Connector Pneumatic Push(1/4" od 1/4" Npt)
I used these for water and air lines, and they work great. You can really feel the two-step seal, and the release to remove the fitting is simple and secure. I've used them on a variety of hoses, including flexable air line, copper, and several different types of semi-rigid plastic pipe, and they've worked flawlessly.
This isn't a 1:4 ratio. This is a 1/4 tube with a 1/2" thread. I'm looking for a 1/4" or 3/8" tube with a 1/4" or 3/8" thread.
There have been no leaks. This Utah Pneumatic Push to Connect Air Fitting (3/8" Od 1/4" Npt) fits perfectly on the brine tank hose of our water softener (Autotrol 460i). It must be able to withstand both full house water pressure and brine suction negative pressure. It is succeeding!.
They have excellent threads. The two-step seal is very noticeable. The retainer flange is oblong, making it simple to release and disconnect the fitting from the hose if necessary. I use them for both air and water at well over 100 psi with no problems; they are a little bigger than I expected, but that's how they have to be to be of such high quality.
The air line popped off after three of them broke. We'll see how long the waiting period is.
They are of good quality.
Utah Pneumatics has provided me with excellent service.
For my compressor, it performs as expected.