Tube Fittings

Pipeline Actuation & Control are the Australian distributor for the DK-Lok range of Twin Ferrule Compression fittings. These fittings are compatible with almost all other fitting brands and can be supplied quicker and more often as a more economical option. These fittings are used across a wide range of industries including Mining, Oil & Gas, Petrochemical, Infrastructure, Transport, Defence and Marine.

End connections include NPT, BSPT, BSPP, JIC, AN and Welded.

DK-Lok fittings are now also certified with EC79 for Hydrogen Powered Motor Vehicles and can be used in Hydrogen applications.


1/8” through to 2”


Brass, carbon steel, 316 stainless steel, Duplex. Super Duplex, Monel, Inconel, Hastelloy, PTFE. If another material is required we can manufacture specialty items if needed.

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Get in touch directly with our Engineers and Project Managers.