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Perma-Loc Tubing Male Pipe Threads Adapter

Perma-Loc Tubing Male Pipe Threads Adapter

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Product Videos
Product Description

These Perma-Loc fittings are used to convert polyethylene tubing to various sizes of male threads. The Male Pipe Threads (MPT) on these fittings are standard PVC threads and are compatible with other PVC fittings of the same size.

About Drip Depot Perma-Loc Drip Irrigation Fittings:

Perma-Loc fittings and adapters are heavy duty reusable connectors for all your connection needs. They are very easy to use and require no special tools. Perma-Loc fittings are available for both Tubing and Tape. The Tubing connectors can be used on blank tubing as well as drip line.

  • To Use: Simply push tubing or tape over barbed end, then hand-tighten locking nut over tubing or tape for a permanent secure fit.
  • To Remove: Just loosen locking nut, pull tube off and re-use as needed.

Perma-Loc fittings look similar to traditional flange and locking nut plumbing connections; however, in most cases, they work differently. Unlike a typical locking nut which comes off the fitting and slides over the tubing, a Perma-Loc locking nut is usually not removed from the fitting. The exception to this rule might be some of the larger 3/4" and above tubing fittings. Select a video from above to see how the Perma-Loc drip irrigation tubing and tape fittings work.

3/8" Perma-Loc 500 Series Fittings

We carry 3/8" Perma-Loc 500 Series fittings to convert smaller poly tubing to our 1/2" (or larger) tubing. The most common manufacturers of this type of tubing are:

RainDrip .520" ID (Inside Diameter)

RainBird .520" ID (Inside Diameter)

If you have an existing drip irrigation system with this size of tubing and you wish to expand it using Drip Depot poly tubing, you can use one or more of these adapters to make the different size tubing compatible.

Perma-Loc Size Acceptable Inside Tubing Diameter Acceptable Wall Thickness
3/8".510" to .580".035" to .055"
1/2".590" to .630".025" to .050"
3/4".790" to .845".045" to .065"
1"1.025" to 1.085".045" to .070"
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