Valve Repairs & Overhauls
- General
- In House
- On Site
Denholm Valvecare Limited has two bases in the UK:
Welbourn, Lincoln, England - the Company Head Office. This site houses the main workshops, which are equipped with CNC machining, fabrication, and manufacturing facilities. These facilities include spacious valve overhaul, testing, control and instrumentation workshops, and warehousing facilities. The engineering and software design departments are also based here.
Lincoln services all customer onshore sites in England and Wales, as well as the offshore Southern Sector of the North Sea and Morecambe Bay.
Altens, Aberdeen, Scotland has equally well equipped offices and workshops. The main warehouse is also at this branch, where the majority of new valves are kept. Aberdeen services all onshore customer sites in Scotland and Ireland, as well as the Northern offshore sector of the North Sea.
Both workshops share between them some sophisticated manufacturing equipment.
Machining capacity:
- CNC vertical boring up to 1.8m diameter
- CNC horizontal boring up to 0.6m cube
- CNC turning up to 0.5m diameter
- CNC 5 axis Machining Centre
- Manual turning up to 1.5m x 5m
- Coordinate Measuring
Coded Welding
Valve test cells up to 36"
Safety relief valve test benches, cold set and full lift.
Control Valve Test units ½" - 16", including mass flow meter measurement, able to communicate with all standard protocols.
CCTV Monitored Test Bays.
Denholm Valvecare Limited service personnel are properly trained and competent in repair of all types of valves including - Safety Relief Valves, Isolation valves and Control and Choke valves, and their respective operators. This includes valves up to 52" and beyond.
Work carried out includes standard repairs, reclamation of worn spare parts, complete rebuilds, upgrades, retrims, modifications, and reverse engineering of spare parts (where specifically requested by client).
Any modifications carried out to the original design are covered by the Pressure Equipment Directive.
WorkshopTesting includes Hydro, Gas (snoop, submerged, or helium trace), Fire, Cryogenic, Environmental and PR2.
Denholm Valvecare Limited carries out a significant amount of site work both on and offshore. The work we do varies considerably, and includes:
- Valve Trouble shooting
- Routine Maintenance
- Acoustic Leak Detection
- Major overhauls
- Change outs
- Surveys
- Leak Sealing
- Bolt Torquing
- On-site machining
- Gate Valve Milling
- Flange Sealing Clamps
- Refurbishment of pipeline isolations
- Supply and installation of Kamos gaskets
- Pipeline integrity testing
- Hot tapping
More and more customers require site service engineers to have a genuine all round knowledge of different types of valves and operators, and of the typical processes in which they may be used. As a result, Valvecare is committed to regular and frequent in-house training to ensure its clients are provided with such individuals.
The company has an enviable reputation for fast response to field service call offs, flexibility to accommodate changes in priorities, and for real 24/7 cover 365 days per year.
Complementing the site service teams, we have a comprehensive stock of mobile workshops, site pressure test skids, service tooling, and machining equipment for short or long-term hire.