Portable Flange Facing Services
At Royce Onsite Machining, we provide professional onsite flange facing services throughout the UK and offshore. Our portable machining solutions restore damaged or worn flange faces to industry standards—quickly, safely, and without the need to dismantle equipment.
Onsite Flange Refacing
We machine flanges from 1” to over 120” in diameter, including raised face (RF), ring-type joint (RTJ), flat face (FF), and compact flanges—all carried out at your site.
Surface Finish to Specification
We achieve spiral serrated or phonographic finishes in line with ASME, API, and OEM specifications, ensuring a proper gasket seal.
Flange Surface Restoration
We remove corrosion, mechanical damage, and installation defects—bringing flanges back within required flatness and surface finish tolerances.
Offshore & Marine Expertise
We’re experienced in working in challenging offshore and marine environments, including oil rigs, FPSOs, subsea flanges, and shipboard systems.
Difficult Access? No Problem.
Our technicians can set up and machine in confined or restricted areas, including heat exchanger flanges, pressure vessels, and awkward pipework
