Kraloy 078334 EJ25 PVC Expansi...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$62.51
Kraloy 078334 EJ25 PVC Expansion Joint

Kraloy 078334 EJ25 PVC Expansion Joint

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Model: 078334

In Stock (leaves warehouse same day if ordered before 3pm ET)

$62.51
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Kraloy 078334 EJ25 2-1/2" PVC Expansion Joint

The Kraloy 078334 EJ25 2-1/2" PVC Expansion Joint is a purpose-built expansion fitting designed for rigid PVC conduit systems where conduit runs are exposed to temperature fluctuations that cause the pipe to expand and contract. Sized for 2-1/2" trade size PVC conduit, this expansion joint is manufactured from PVC to match the material composition of standard PVC conduit, helping maintain consistent chemical resistance, weather resistance, and electrical continuity throughout the raceway system. As part of Kraloy's EJ25 series of PVC expansion joints, this fitting is engineered to be installed inline with 2-1/2" PVC conduit runs to help relieve stress on the conduit system caused by thermal movement, reducing the risk of cracked or damaged conduit over time. Electrical contractors specifying PVC conduit for commercial, industrial, or outdoor installations can rely on the Kraloy 078334 EJ25 expansion joint to complement their existing PVC conduit and fitting selections.

Key Features

  • Trade Size: Sized for 2-1/2" PVC conduit, allowing this expansion joint to be installed directly into 2-1/2" trade size PVC conduit runs without the need for additional reducers or adapters.
  • PVC Construction: Molded from PVC material to match the composition of standard PVC conduit and fittings, supporting consistent corrosion resistance and compatibility across the conduit system.
  • Expansion Joint Design: Engineered as an expansion joint to help accommodate conduit movement caused by thermal expansion and contraction, which is especially important on long, exposed PVC conduit runs.
  • EJ25 Series: Identified as part of the Kraloy EJ25 series of PVC expansion joints, a dedicated product line for PVC conduit expansion applications.
  • Model Number 078334: Factory-identified by Kraloy under item number 078334 for accurate specification and ordering.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Rigid PVC Conduit Systems Subject to Temperature Change
  • Outdoor and Underground PVC Conduit Installations
  • Commercial and Industrial Electrical Raceway Systems
  • Long PVC Conduit Runs Requiring Expansion Relief
  • New Construction and Retrofit PVC Conduit Projects

Why Kraloy?

Kraloy manufactures a full line of PVC conduit, fittings, and accessories, including the EJ25 series of PVC expansion joints such as this 2-1/2" model. Selecting a Kraloy PVC expansion joint made from PVC material helps ensure dimensional and chemical compatibility with the rest of a PVC conduit system, supporting long-term performance in demanding electrical installations. Contractors and specifiers who standardize on Kraloy PVC conduit and fittings can count on components engineered to work together across the entire conduit run, from straight lengths and elbows to expansion joints like the Kraloy 078334 EJ25.

Manufacturer Resources

Spec Sheet

Product Specs

Product Type:
Expansion Coupling
Series:
EJ25
Department:
Electrical
Product Subgroup:
PVC Conduit & Fittings
list_batch:
KRA-20260918
Product Material:
PVC
Product Group:
Conduit & Raceway

Kraloy 078334 – Frequently Asked Questions

1) What trade sizes does the Kraloy EJ25 PVC expansion joint come in?
Two sizes are offered in the EJ25 expansion joint line: 1/2 inch, ordered as Kraloy item 078334, and 4 inch, ordered as item 078338. Pick the one that matches the trade size of the PVC conduit run it is going into, since the joint installs inline and is not a reducer.
2) Why would an electrical contractor need a PVC expansion joint in a conduit run at all?
Exposed PVC conduit grows and shrinks with temperature, and with nowhere for that movement to go the run puts stress on couplings, boxes and the pipe itself. The Kraloy EJ25 expansion joint is installed inline so the run can take up that thermal movement, which reduces the chance of cracked or damaged conduit over time. It matters most on long exposed runs, outdoor and rooftop work, and anywhere the raceway sees a wide temperature swing.
3) Is the Kraloy EJ25 expansion joint compatible with standard rigid PVC conduit and PVC fittings?
Yes. The EJ25 joint is molded from PVC, the same material as standard PVC conduit and fittings, so it keeps the same corrosion and weather resistance through that part of the raceway and bonds with the rest of the system rather than introducing a dissimilar material at the joint.
4) Do I need a reducer or adapter to put the EJ25 expansion joint into my conduit run?
No. Each EJ25 is sized to its trade size and goes straight into a matching PVC conduit run, so no reducers or adapters are needed as long as the joint's size matches the pipe. Ordering the wrong trade size is the usual reason people end up hunting for adapters.
5) What is the exact part number for the 4 inch Kraloy EJ25 expansion joint?
The 4 inch version is Kraloy item 078338, in the EJ25 expansion joint series. The 1/2 inch version is item 078334. Quote the item number with the Kraloy brand when specifying, since the series designation alone does not identify the size.
6) Can a Kraloy PVC expansion joint be used on an underground or buried conduit run?
Underground and outdoor PVC conduit installations are among the applications Kraloy lists for the EJ25 expansion joint, along with commercial and industrial raceway systems and both new construction and retrofit work. Buried runs see less temperature swing than exposed ones, so expansion relief is usually driven by the exposed portions of the same run.
How fast can I get the Kraloy 078334 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Kraloy 078334 come with a warranty?
Absolutely. The Kraloy 078334 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Kraloy 078334?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Kraloy 078334 from ZenSupply?
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