Expert in-situ machining to restore sealing surfaces to exact standards – no compromise, no leaks.
Hydratight delivers fast, workshop-grade flange facing right at your site – helping you restore assets and avoid costly downtime. When flange surfaces are damaged, corroded, or out of tolerance, our specialists restore them in-situ to strict ASME specifications, creating leak-free sealing surfaces with optimized spiral groove finishes. You get extended asset life, reduced maintenance costs, and no need to remove or replace equipment. Â
Whether you’re managing new construction, planned maintenance, or an urgent repair, our skilled team and advanced machines bring precision, safety, and speed to every job. Get your operation online quickly, with accuracy you can trust.Â
Discover the key advantages that make our services reliable, efficient, and optimized to your project needs.
Leak-free sealing surface ensures a reliable joint.
In-situ flange restoration minimizes downtime.
ASME-Compliant Precision for total assurance.
Spiral groove forces potential leaks into a spiral path - not across the face.
Inspection & Assessment
Our technicians assess the condition of the flange face to identify scratches, corrosion, or pitting that may affect sealing integrity.
In-Situ Machining
Using portable, high-precision flange facing tools, the surface is re-machined to the correct profile — either a spiral serrated finish or RTJ groove.
Verification & Quality Control
All work is verified against ASME standards, ensuring compliance and a leak-free sealing surface ready for reassembly.
We are specialists in precision on-site machining, delivering reliable solutions in the most demanding environments. With experience across a range of settings, including nuclear FME, we prioritize safety, compliance, and meticulous execution.
Our highly trained technicians use an extensive fleet of advanced, customized tools that exceed standard industry capabilities. Designed for seamless integration with our full suite of machining and joint-integrity services, we provide comprehensive, end-to-end solutions.
Backed by the Enerpac Group and supported by a global network of experts, we combine local responsiveness with worldwide expertise to ensure precision, performance, and confidence on every project.
Oil & Gas
Petrochemical
Nuclear
Shipbuilding
Learn how our solutions keep operations safe, efficient, and productive.
Discover what our clients say about the quality, reliability, and results we deliver.
Their testimonials showcase the trust and confidence we bring to every project we undertake.
Hydratight delivered our objective leading to leak free start-up of the plant by implementing best practices, using the right equipment, employing trained and highly competent people, and managing all these effectively using a locally based team.
Construction Director at Oil & Gas Solutions Provider
The objective of using Hydratight was to achieve a leak free start-up and it was achieved. We have no hesitation to record their commendable performance and recommend them on other requiring bolted joints management.
Turnaround Manager
at Petrochemical Company
The Hydratight personnel executed their on-site machining duties with skill, professionalism, flexibility and cooperation at all times. Their bolt tensioning personnel completed the de-tensioning, inspection, and tensioning of all of the ANSI 2500...
Shutdowns and Maintenance Manager, Petroleum Company
Hydratight’s solution to our problem was professionally handled and implemented quickly… production could continue without output being compromised, while the leak was permanently rectified.
Director of Operations, Total E&P Congo
We tasked you with a difficult application and timeline. Even though we did not have to perform the work, you had everything ready and tested.
Maintenance Manager, Nuclear Power Plant (US)
