The World's Fitting Authority

With more then a half century of experience in product design, engineering and manufacturing, Parker Tube Fittings Division holds a leadership position few other manufacturers can claim.

Innovative Designs, Superior Solutions

Our exclusive Parker enhancements increase fitting life span, improve ease of use, and ensure the best leak-free solutions for your system.

Our Products

Expertise, Innovation and Support

Tube Fittings Division is a unit of Parker Hannifin Corporation's Fluid Connectors Group. The Group is headquartered in Cleveland and is the world's leading producer of tube fittings, rubber and thermoplastic hose and fittings, brass fittings and valves, quick-connect couplings and assembly tools.

We manufacture tube fittings and adapters, including the Triple-Lok® fitting (37degree flare), Ferulok® fittings (flareless), Intru-lok® fitting (brass flareless), EO fitting (metric flareless), EO-2 fitting (metric flareless with elastomeric seal), Seal-Lok™ fitting (O-ring face seal), Pipe and port ends – NPTF, SAE Straight Thread, BSPP, BSPT, ISO and metric. Combined with an extensive line of tube fabrication equipment and tube and hose clamps, we offer the broadest product line in the industry.

Parker never stops targeting the challenges of connection component designs and performance. With our ever-growing exclusive innovations, we make sure our components extend their integrity even further. We are committed to setting new standards and raising the industry bar to its highest level.

Helpful Resources

View product details and specifications for Parker's Industrial Tube Fittings, Adapters and Equipment in this comprehensive catalog.

Read technical articles focused on hydraulic fitting topics, industry trends, and helpful hints from Parker engineers.

Easily find the equipment and tooling information you need to perform any job.

Identify the part numbers of the tube fittings and adapters that you need anytime and anywhere.

Frequently Asked Questions

Get answers to your Tube Fittings, Adapters and Tube Fabrication Equipment and Tooling questions with our handy online resource. Find information about standards and conformance, CAD models, thread ID and fitting assembly, fitting system leaks, how-to guides and much more.

Tube Fittings & Adapters Assembly and Installation

Easily and quickly find the needed tube fitting and adapter assembly values and instructions, including videos, for creating leak-free connections.


Parker Hannifin Corporation Tube Fittings Division
3885 Gateway Boulevard
Columbus, OH 43228 USA

Telefon  +1 (614) 279-7070
Fax +1 (614) 279-7685