Quickflange™ Weldless Connectors

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Permanent gas tight flange-to-pipe connections without welding

Page last modified

April 11 2024

For almost 20 years, our patented Quickflange™ technology has built up a proven track record as a leading provider in cold work solutions, offering clients a permanent repair option for improving pipeline integrity and flow assurance eliminating the need for welding or hot work.

With an extensive range, Quickflange™ is a safe, cost-effective and efficient solution generating up to 80% time saving over traditional welding.

By combining our Quickflange™ connector with with our bespoke Quickflange activation tool, the process of installing a Quickflange weldless connector is both quick and easy. Once the line is isolated a straight cut is crucial to ensure the Quickflange™ sits flush to the pipe edge. The hydraulic tool is aligned into the pipe and activated to the required pressure. During this process, the cone of the tool quickly extends allowing the segments to flare swaging the pipe into the pre-machined grooves of the Quickflange connector. The tooling is then reversed concluding the installation creating the permanent gas tight seal.

Pros & Limitations

No welding preparation, inspection or habitat requirements

Fast repair times reducing shutdown

Permanent long-term solution

Easy to install

Less manpower required compared to a weld

Client technicians can be trained to carry out the install themselves

Can only be applied on straight sections of pipe

Specification

Specification Title	Specification Description
Accuracy	Highly accurate compared to welded connections as the connection is based on groove technology allowing for more accurate cutting and replacement of spool sections.
Asset life extension	Quickflange is extensively used to repair or replace pipelines both onshore and offshore from sizes ¾” to 14”.
Compliance	DNV and ABS Type Approved.
Cost	Cost effective solution \| Reduced manpower \| Higly efficient \| Fast turnarounds with “off the shelf” product available.
Lifespan	Permanent solution for improving pipeline integrity and flow assurance.
Pressure class	150# to 2500#
Repairs	Quickflange™ can be used as means to repair damaged or corroded pipework as well as modification or construction of new pipework through to decommissioning of redundant lines.
Repeatability	20,000 installations performed worldwide over the last 2 decades.
Safety	No hot work, emissions or spark potential.
Speed	80% minimum time saving over welding.