1 (587)-333-6685 910, 736 – 8th Ave S.W. Calgary, Alberta T2P 1H4
1 (587)-333-6685 2002 Timberloch Place, Suite 200, The Woodlands, TX 77380
1 (587)-333-6685 910, 736 – 8th Ave S.W. Calgary, Alberta T2P 1H4
1 (587)-333-6685 2002 Timberloch Place, Suite 200, The Woodlands, TX 77380
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How do you know that a ClickWeld® has been completed successfully?

The material tolerances are extremely tight on all components of a ClickWeld® joining system, mandrel O.D., pipe I.D., factory and field rings. Due to the precise nature of the component assembly, the forces that are required to complete a ClickWeld® joint are very consistent; there is a narrow window of acceptable forces that we closely measure during the swaging process. The ClickWeld® QC package provides complete traceability of all materials, along with a ‘weldmap’ and a catalogue of all forces required to energize the mechanical joint.

What are Electrofusion Couplings?

Electrofusion (EF) couplings are an alternative HDPE joining system to that of butt fusion. The electrofusion joining system consists of a HDPE coupling that has embedded copper wiring connected to terminals. Two pieces of HDPE are then inserted inside the coupling. A current is passed through the terminals into the copper wiring inside the coupling. Once energized flow/melt of the coupling and HDPE pipe is achieved; this creates a permanent fusion. EF fittings require extremely tight material tolerances and have stringent preparation processes, they are extremely strong and reliable.

The EF fittings used in CORE Liner® are energized and monitored by a computer-driven electrofusion control unit (ECU). This machine automatically adjusts fusion/soak time to account for ambient temperature, it measures amps, volts, GPS location, time of day and temperature of fusion, as well as ensuring continuity of the wiring. If a permissive requirement is not met, the ECU machine will not allow the fusion to proceed. What this means is that there is a very comprehensive QC package available on all joints. Compared to butt fusions, this is a step change in QC. EF fittings also provide around 7 times more fusion area and associated strength compared to that of a butt fusion.

Do you have to use a jumper vent on every ClickWeld® joint?

CORE Liner® products maintain continuous interstitial space between the liner and steel carrier pipe throughout the length of the pipeline. Venting is still required at all flanges, both buried and above ground as per CSA. No venting is required at the ClickWeld® fitting.

How do you apply flanges?

Flanges are applied to the steel pipe using our ClickWeld® mechanical joining system. Please see our video and photo library for more information.

How much pipe can the CORE Service® team assemble in the field per day?

The cycle time of a ClickWeld® joint is consistently 6-11 minutes. When mainlining 600-1000m of completed pipe per day is very reasonable to expect. In our experience we can complete 4-6 tie-ins or crossings per day. Each tie-in or crossing takes roughly 1-2 hours depending on a variety of variables.

Can CORE Linepipe® products be bent?

Yes, CORE Linepipe® products can be bent to a minimum 20D bend radius. Our products must be cold bent to ensure that the internal liners are not compromised.

Can CORE Liner® be bent into a riser system?

Yes, CORE Liner® can be bent into 45 or 90 degree risers. Please see our bending and riser spec sheets and procedures for additional information.

Download the full list of the Frequently Asked Questions (FAQ) from the Master Library.

Data Sheet
CORE Linepipe Brochure
Frequently Asked Questions
Master Library
Project Highlights

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