Tube Fittings Division

ORFS tube connections without brazing or flanging

Parker’s patent-pending FastSeal™ technology enables fast, leak-free ORFS tube connections to be made anywhere with only a wrench.

Learn more about FastSeal connection technology

Tube Fittings Division

Parker Tube Fittings Division manufactures leak-free hydraulic connections, superior corrosion-free tube fittings, hose adapters and tube fabrication equipment for reliable leak-free connection solutions for most high pressure and high temperature hydraulic applications. From O-Ring Face Seal (ORFS) fittings, 37° flare JIC tube fittings, flat face seal fittings, conversion adapters for tube and hose connections, to hydraulic benders and Parflange® flaring and flanging system, Parker delivers unfailing solutions to a wide range of industries and applications.


Parker's FastSeal connection technology is a revolutionary new way to make fast, leak-free O-ring face seal (ORFS) tube connections without the need for brazing or flanging equipment. Using Parker's new patent-pending FastSeal, you'll only need a wrench and your tube. An evolution of proven connection technologies, FastSeal combines Parker's robust bite ring and innovative seal dynamics to create a quick robust flat-face tube connection for Seal-Lok ORFS fittings.

Click on a part number to get more information and to find your local distributor:

  •  4 TLFA-S (1/4" O.D.)
  •  6 TLFA-S (3/8" O.D.)
  •  8 TLFA-S (1/2" O.D.)
Download Bulletin

View the FastSeal Assembly Instructions
FastSeal connection technology creates fast, leak-free ORFS tube connections with only a wrench.

Parker FittingFinder

FittingFinder from Parker TFD

Easily identify the part numbers of the tube fittings and adapters that you need anytime and anywhere with our FittingFinder app. Dimensional information, CAD models, and a distributor locator are also included for your convenience, along with a competitive interchange tool. Parker FittingFinder is available in mobile, tablet and web versions.

Frequently Asked Questions

Visit our Frequently Asked Questions page

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.

TFD techConnect Technical Articles

TFD techConnect blog posts contain technical information, assembly hints, and concise help on hydraulic fittings and adapters. These articles are written by engineers for engineers focused on helping those in the industry better understand this technical information simply and quickly. Information includes technical articles on ensuring leak-free connections in your system, how to identify threads and ports, assembly and routing tips, and so much more. Make TFD techConnect your go-to fittings and adapter resource, subscribe today.

View our latest blog posts

June 15, 2021: Troubleshooting Leaks: Understanding Longitudinal Tube Cracks

April 14, 2021: Troubleshooting Leaks: Understanding Circumferential Tube Cracks

March 4, 2021: Troubleshooting Leaks: Understanding a Leak from a ORFS Braze Sleeve

September 22, 2020: Troubleshooting Leaks: Fixing a Leak Coming From a Tube or Swivel Nut

July 14, 2020: Troubleshooting Leaks: Fixing a Port End Connection Issue

June 4, 2020: Troubleshooting Fluid System Connection Leaks

May 14, 2020: Important System Design Considerations for SAE J1926 Ports

April 23, 2020: Leaking Ports? Troubleshooting for SAE J1926 and ISO 6149 Ports

April 9, 2020: Spatial Allowance for Fittings in Fluid and Gas Systems

Read other posts by visiting TFD techConnect today.

ToughShield Plating

Parker ToughShield (TS1000) plating

Parker's standard stainless steel fittings and adapters with ToughShield (TS1000) plating deliver unmatched corrosion protection for your fitting connections at no additional cost. TS1000 not only far exceeds the SAE requirements, but it also outlasts the competition.  See how our fittings stand up to the competition and learn more about TS1000.

Seal-Lok ORFS for Alternative Fuel Applications

As the push for cleaner fuel alternatives intensifies, Parker continues leading the way with products engineered to optimize fuel conveyance. Parker Seal-LokTM technology introduces a proven O-ring face seal (ORFS) design that performs with a variety of fuels, including CNG, LNG, LPG, and H2, to achieve the most robust, leak-free connection in the industry – period.

Custom Manufacturing & Rapid Service Unit

Transform your unique connection needs into a finished part, and receive it in hand in as soon as 24 hours. Available in almost any size and configuration, our custom tube fittings and adapters can be machined in steel, stainless steel, brass, and aluminum, as well as numerous other materials, and we can comply with most international standards, including SAE, ISO, DIN, JIS, ASTM and MIL.

Operation Videos: Tube Fabrication Equipment

Need to learn how to operate your Tube Fittings Division tube fabrication equipment? The Tube Fabrication Equipment Resources website has instructional operational videos for the Parflange 1025, ECO 25 and Pro 50 flaring and flanging machines, the 400 series Exactol crank tube benders, the hydraulic tube bender HB632, the Hydra-Tool flaring and presetting tool, and the Hyferset presenting tool.

TFD ToolSpec

Find the tube fabrication equipment and tooling part numbers that you need for the job with our TFD ToolSpec web app. For short-term and prototype projects, Tube fabrication equipment rentals are also available, and information is included on this site.

Competitive Interchange

Need to identify the Parker part number equivalent? Just enter any competitor part number, and let the Competitive Interchange search a comprehensive database to find the Parker equivalent – in seconds!

CAD Models

Need a hydraulic tube fitting or adapter CAD model for your system design? View the vast library of CAD drawings available for download.

Catalogs and Support Materials

Browse our library of Tube Fittings Division catalogs, product bulletins, equipment manuals, and equipment videos for the information that you need.

Find Your Nearest Tube Fittings and Adapters Distributor

Need a hydraulic tube fitting or adapter, or tube fabrication equipment and tooling? Parker’s worldwide distribution network makes it convenient to get the parts you need, either over the phone or at one of our Parker Stores. Locate the distributor nearest to you.

Contact Us

Parker Hannifin Corporation
Tube Fittings Division
3885 Gateway Blvd.
Columbus, OH  43228
Phone: 614-279-7070