Our single ferrule tube fittings range fully comply with the Transco (National Grid) F9 specifications.
Manufactured at our headquarters in Essex, our Duoloc tube fittings have proved popular assets within the Oil and Gas industry for over 35 years.
Expertly designed for easy and safe application, including vibration resistance and full material cast code traceability. Our DuolocⒸ range have also been used at the Humber Refinery by exploration and production giants, Conoco Phillips UK.
Single Ferrule Tube Fittings: Working Pressures of the Duoloc Range
Metric and Imperial OD Tubing
We stock a wide range of 316 stainless steel seamless tubing in both imperial and metric sizes. The ASTM A-269 tube we provide can be cut to any length required (subject to a minimum of 1m.)
The tubing coincides with our single ferrule tube fittings – our DuolocⒸ compression fittings range.
Tubing Selection for Duoloc Fittings
- A maximum hardness of HRB 80 is preferred – *If harder tube is used the HRB 90 should be the maximum allowed & specified.
- Our single ferrule OD compression fittings will work with soft tubing materials such as nylon
Ordering Duoloc Single Ferrule Tube Fittings
When ordering with Waverley Brownall, please quote the part number. The part number is built up from the fitting description, tube O.D, connecting thread size (this is made up from multiples of 1/8 ths), material and thread type.
For help with ordering from our DuolocⒸ range, email us at firstname.lastname@example.org