Transition Couplings and Conduit Fittings
Utility Pipe Supply provides contractors with transition couplings and conduit fittings designed to connect conduits of different types and sizes. Our fittings selection also includes caps, couplings, elbows and sweeps, plugs, reducers, saddles and clamps, seals and gaskets, tees, and valves.
Each component is built to ensure smooth integration, reliable performance, and long-term system strength. With certified quality, in-stock availability, and nationwide delivery, we supply the transition fittings contractors trust to complete installations efficiently and with confidence.
Aluminum PE To PVC Threaded Transition Couplings
From $13.80Unit price /Select OptionPlenum and Riser Rated Terminal Adapter for HDPE Conduit
From $29.90Unit price /Select OptionHDPE Flange Adapter | IPS & DIPS | SDR 7–17 | 125–335 PSI
From $9.25Unit price /Select OptionMJ Adapter | IPS & DIPS | SDR 9–11 | Molded HDPE
From $61.50Unit price /Select OptionSeries 865 Extra Heavy Transition Fitting | ID-Controlled Weld-On | A53/A106
$2,004.26Unit price /Select OptionHeavy Duty Groove-End Transition Fitting | IPS | Epoxy-Coated | SDR 7–11 | 2″–4″
From $39.75Unit price /Select OptionHeavy-Duty Weld-End Transition Fitting | IPS | SDR 7 - 17 | 2″ - 8″
From $59.50Unit price /Select OptionHeavy Duty Male NPT Transition Fitting | IPS | HDPE to Steel | SDR 7–17 | 125–335 PSI
From $46.75Unit price /Select OptionStandard Machine Grooved Transition Fitting | IPS | HDPE to Steel | SDR 7–17 | 125–335 PSI
From $46.25Unit price /Select OptionStandard Female NPT Transition Fitting | IPS | HDPE to Steel | SDR 7–11 | 200–355 PSI
From $27.00Unit price /Select OptionStandard Male NPT Transition Fitting | IPS | HDPE to Steel | SDR 7–17 | 125–355 PSI
From $22.75Unit price /Select OptionPVC × HDPE Transition Fitting | Series 735 | Poly-Cam | Schedule 80 PVC Coupling
$48.22Unit price /Select OptionHDPE to NPT Reducing Transition | Series 500 | Male & Female Threaded
$2,004.26Unit price /Select OptionHDPE Transition Fitting | Female NPT × Series 712 | SDR 7 - 17 | 2.5" - 8"
$2,004.26Unit price /Select OptionHDPE Transition Fitting | Female NPT × DIPS | Series 712 | SDR 7 - 17 | 0.5" - 2"
From $22.85Unit price /Select OptionHDPE Transition Fitting | Female NPT × IPS | Series 712 | SDR 7 - 17 | 0.5" - 2"
$2,004.26Unit price /Select OptionHDPE Transition Fitting | Female NPT × IPS | Series 712 | SDR 7 - 17 | 2.5" - 8"
$2,004.26Unit price /Select OptionSeries 525 Branch Saddle With Male Transition | HDPE × Threaded Male NPT
$2,004.26Unit price /Select OptionSeries 525A Branch Saddle With HDPE Butt Fusion Transition
$2,004.26Unit price /Select Option524 Series Branch Saddle With Groove Transition | HDPE × Grooved Coupling
$2,004.26Unit price /Select Option503 Series 45° Elbow With Threaded Transition | HDPE × Male Thread
$2,004.26Unit price /Select OptionSeries 502 Standard 90° Elbow With Threaded Transition | HDPE × Male Thread
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 4" Base | DIPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 3" Base | DIPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 2" Base | DIPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 1.5" Base | DIPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 4" Base | IPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 3" Base | IPS
$2,004.26Unit price /Select OptionSeries 415 Side Fusion Tapping Saddle | 2" Base | IPS
$2,004.26Unit price /Select Option415 Series Side Fusion Tapping Saddle | 1.5" Base | IPS
$2,004.26Unit price /Select Option501 Series Standard Tee With Groove Transition | HDPE × Grooved Steel
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 9 IPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 9 DIPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 7 IPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 7 DIPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 17 IPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 17 DIPS
$2,004.26Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 11 IPS
From $19.51Unit price /Select Option710 Series HDPE Transition Fitting | Male NPT Thread | DR 11 DIPS
$2,004.26Unit price /Select Option412 Series Transition Fitting | 2.00" Female NPT Thread | DR 17
$2,004.26Unit price /Select Option412 Series Transition Fitting | 2.00" Female NPT Thread | DR 11
$2,004.26Unit price /Select Option412 Series Transition Fitting | 2.00" Female NPT Thread | DR 9
$2,004.26Unit price /Select Option412 Series Transition Fitting | 2.00" Female NPT Thread | DR 7
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.50" Female NPT Thread | DR 17
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.50" Female NPT Thread | DR 11
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.50" Female NPT Thread | DR 9
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.50" Female NPT Thread | DR 7
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.25" Female NPT Thread | DR 17
$2,004.26Unit price /Select Option412 Series Transition Fitting | 1.25" Female NPT Thread | DR 11
From $2,224.26Unit price /Select Option412 Series Transition Fitting | 1.25" Female NPT Thread | DR 9
From $2,212.26Unit price /Select Option
Frequently Asked Questions
What are conduit transition couplings and fittings used for?
What are conduit transition couplings and fittings used for?
Conduit transition couplings and fittings are used to securely connect conduits made from different materials or sizes. They ensure smooth, reliable transitions between PVC, HDPE, steel, and fiberglass conduit systems.
Why are transition couplings important in conduit installations?
Why are transition couplings important in conduit installations?
Transition couplings provide a watertight, stable connection that maintains system integrity during temperature changes and movement. They prevent separation, leaks, and misalignment across multiple conduit materials in underground systems.
What materials are used to manufacture your transition couplings?
What materials are used to manufacture your transition couplings?
Our transition couplings are made from durable PVC, stainless steel, brass, or reinforced polymer composites. These materials provide strength, corrosion resistance, and long-term reliability under demanding field conditions.
Are your transition fittings compatible with different conduit materials?
Are your transition fittings compatible with different conduit materials?
Yes, our transition fittings are designed for seamless compatibility with PVC, HDPE, fiberglass, and metallic conduits. They ensure dependable performance and compliance across diverse conduit systems and installation environments.
Do your transition couplings meet national industry standards?
Do your transition couplings meet national industry standards?
Yes, our transition couplings meet ASTM, NEMA, and UL standards for strength, pressure resistance, and performance. These certifications guarantee quality, consistency, and safety for professional utility installations.
Can transition fittings handle both above-ground and underground applications?
Can transition fittings handle both above-ground and underground applications?
Yes, our transition fittings are suitable for both underground and above-ground conduit systems. They maintain strong seals and reliable connections even in temperature and pressure fluctuations.
How do transition couplings improve system reliability and longevity?
How do transition couplings improve system reliability and longevity?
Transition couplings prevent moisture infiltration and material stress that could weaken conduit systems over time. Their tight sealing design ensures durable, low-maintenance performance for decades of use.
Are your transition couplings resistant to corrosion and environmental exposure?
Are your transition couplings resistant to corrosion and environmental exposure?
Yes, our transition couplings resist corrosion, chemicals, and UV degradation when exposed to harsh conditions. Their protective coatings and materials ensure consistent performance in challenging environments.
Are transition couplings available in multiple sizes and configurations?
Are transition couplings available in multiple sizes and configurations?
Yes, we offer transition couplings in a wide range of diameters, thread types, and connection styles. Each configuration supports specific material combinations and system layouts for reliable fitment.
How can I request pricing or product details for conduit transition couplings?
How can I request pricing or product details for conduit transition couplings?
You can contact our sales department directly or submit a “Request a Quote” form through our website. Our specialists will provide detailed specifications, pricing, and availability based on your project’s requirements.