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PEX Crimp vs. PEX Clamp

Tom

PEX crimp and PEX clamp connections use the same fittings, normally referred to as “crimp” or “barbed” PEX fittings. Each method requires a different tool and a different type of ring, but the styles are similar enough that PEX newcomers frequently wonder which method is preferable. Crimping and clamping create equally reliable seals that will not leak when performed properly. The choice between crimping and clamping should ultimately come down to personal preference, although there are a few pros and cons to keep in mind.

 

Stainless steel clamp rings resist corrosion more effectively than copper crimp rings, which can be a major benefit in direct-burial applications. PEX clamps also tend to be easier to remove. Since only a piece of clamp rings must be compressed in order to make a connection, a single clamping tool works with multiple pipe sizes. Although successful clamp connections can be confirmed based on the release of the ratchet tool, crimp fittings can be checked with a go-no-go gauge long after the original connection was made. Crimp rings and components are generally more readily available than their clamp alternatives. For more information, visit the Resource Center at SupplyHouse.com or watch our demonstration videos below.

 

 

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6 Responses to PEX Crimp vs. PEX Clamp

  1. David Hollman says:

    Are both style of rings suitable for poly alloy fittings?

    On one particular product (Vanguard Apollo 3/4 PolyAlloy Tee PXPAT3420PK) it specifically says not to use “pinch” rings (which is I think their term for the SS cinch / clamps.

    Thanks

  2. David Hollman says:

    Thank you for looking into that. I actually also received a nice reply from Apollo stating “There is a miss-print on the bag that you have that we had corrected shortly after a small portion of PXPAT3420PK hit the market. You may use pinch rings, copper crimp rings, pro crimp rings, and stainless steel sleeves with any of our Poly Alloy fittings.” So that clears everything up.

  3. John says:

    Is it ok to use a crimp inside a wall?

    • Nick B says:

      Hi John,

      Be sure to check with the local code in your area, but as a general rule crimp is totally fine to use inside a wall.

      • John says:

        Great thank you. All my connections in my house are clamp style. So I was a little concerned if those were more reliable than crimps. Thanks again.

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