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Axilock-S & Axilock

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The Teekay Axilock range is designed to replace the need for flanging, welding, pipe grooving and pipe threading by providing a quick and easy solution to joining plain-end pipe. Incorporating grip rings at each end of the fitting, the Teekay Axilock offers high levels of security by locking the pipes together under pressure. Each coupling is 100% rubber-lined, ensuring that high levels of corrosion resistance are maintained throughout the life of the coupling.

Available in single (Axilock-S) and double (Axilock) casing versions depending on pressure and diameter.

Both models are suitable for new installations and retro-fit, whether on a ship, building or process plant. The Teekay Axilock range offers a versatile pipe coupling system that accommodates angulation, vibration and vacuum.

Please see below for technical specifications, or contact us to find out more.


Teekay Technology

With more than fifty patents and trademarks granted across our range, our commitment to innovative technology is beyond doubt. Our dedicated, internal Research and Development team focus on constant improvement across our product range as well as on identifying new solutions to the myriad challenges faced by our customers.

Teekay Couplings are available in two configurations, Axilock and Axiflex:



TEEKAY2.jpgTeekay Axilock
(axially restrained)

The Teekay Axilock has metallic anchor rings that dig into the pipe wall when the coupling is installed. This prevents the two pipes from pushing apart under pressure or pulling away under end-load.



Teekay Axiflex
(non axially restrained)

The Teekay Axiflex joins pipes that are already anchored. In this instance the pipeline forces do not have to be contained by the couplings. Therefore diameters up to 4 metres are possible with this design. The coupling can be placed over the pipe ends or supplied in a wrap - around version.


 

Each coupling (whether Axilock or Axiflex) consists of a casing, a gasket and a lockpart. The purpose of the casing is to house the gasket and to press it onto the pipe surface when the lockpart is closed. The lockpart is designed to pull the two ends of the casing together circumferentially around the pipe. In order to achieve this, the coupling is labelled clearly with a torque figure which ensures that the gasket is compressed sufficiently against the pipe surface.



TEEKAY3.jpgThe Axilock has two anchor rings which are placed adjacent to, but separate from, the sealing mechanism.






TEEKAY4.jpgAs the lockpart is tightened the sealing lips are pressed against the pipe surface to form a seal. At the same time the two anchor rings penetrate the rubber, bite into the two pipes and prevent them from pulling apart, whether by external loading or internal pressure. The end seal is also pressed against the pipe surface, which protects both the anchor ring and the section of the pipe where the anchor rings have bitten, from any possible external corrosion.





TEEKAY5.jpgThe Axiflex has two thick sealing lips which allow for pipe expansion and contraction.






TEEKAY6.jpgThe sealing lips press against the pipe surface and form lip seals. The lip seals are designed to resist the internal pressure in the pipes. As the pressure increases, the lip seals swell to seal more tightly against the pipe surface.





The best way for us to illustrate the emphasis we place on the quality of our product is for potential customers to see examples of our couplings for themselves. Please contact us to arrange a convenient appointment, or come to see us at one of the many exhibitions we attend around the world each year. You can also see our videos and customer testimonials by clicking here.



TEEKAY QUALITY

There are many different types of pipe couplings and pipe connections on the market; stainless steel couplings, cast iron couplings, push-fit couplings, grooved couplings.....

At Teekay we consider build quality to be one of the most important aspects of manufacturing a well-engineered and user-friendly product. We know that good build quality hugely improves the life and performance of the product. Listed below are some features which make the Teekay product range stand out from the rest:



TIG welded seam

When fastening the coupling, the section of the casing that has to withstand the most stress is the area where the “ear” is welded to the outer casing. We TIG weld this section with a strong seam weld and then passivate it so that it is as corrosion resistant as the casing. The seam weld provides uniform strength across the whole width of the casing. This is the strongest type of weld design possible. We never spot weld this area of the coupling.



Solid bars and 2 screws on each coupling

Teekay couplings come with solid bars which are spot-faced in order to reduce stress points on the screw head. The solid bar prevents corrosion of the screw thread and provides extra strength in the lockpart. All Teekay couplings are supplied with a minimum of 2 screws. This design feature is crucial to the secure fastening of the coupling across its entire width. The coating on each screw is a dry lubricant which negates the need for greasing the lockpart.



Unique Axilock multi-seal gasket

All Teekay Axilock-S, Axilock, Axilock-FP and Axilock-FP Ultra couplings come with a unique multi-seal gasket design which provides greater sealing security when compared with a single seal design. There is a high volume of material-to-space ratio which ensures long term sealing efficiencies.



INTERNAL FIRE SLEEVE

The Teekay Axilock FP coupling has the unique feature of an internal fire sleeve. This allows the coupling to be installed in exactly the same way as any other Teekay coupling but with the benefits of fire protection to the requirements of IACS P2 (ISO 19921 and 19922). The material cannot be damaged, lost or removed; it is hydrophobic, smoke and toxicity free.



The best way for us to illustrate the emphasis we place on the quality of our product is for potential customers to see examples of our couplings for themselves. Please contact us to arrange a convenient appointment, or come to see us at one of the many exhibitions we attend around the world each year. You can also see our videos and customer testimonials by clicking on the following link: Our Company



Technical Details


Material Selection

Type

Casing

Fasteners

Gasket

Type I

AISI 304/ DIN 1.4301

Alloy Steel, PTFE coated

EPDM/NBR/HNBR/Viton

Type II

AISI 304/ DIN 1.4301

AISI 316/ 316L

EPDM/NBR/HNBR/Viton

Type IV

AISI 316L/ DIN 1.4404

AISI 316/ 316L

EPDM/NBR/HNBR/Viton