Holborn Engineering ServicesEstablished in October 1996, Holborn Engineering Services specialises in valve modification for the Petrochemical Industry. Work carried out by the Company includes Socket Welding of valves, Trim Changes ( Gate, Globe, Check and Ball Valves ), PTFE Inserts, Cryogenic Extensions, Stelliting and Ring Jointing.We also provide general machine shop facilities.Services - Full range of conventional machining and welding Assembly of finished components where required An extensive range of pressure testing facilities, and a test engineer with 20 years valve experience. Production Facilities Machines - Centre Lathes, Radial Drills, Conventional Drills, Milling Machines Horizontal Bandsaws Welding - TIG & ARC Welding (BSEN 287 / ASME Coded ) in Stainless and Carbon Steel. Test Rigs -Submersible Test Rig Vertical Stand Test Rig 30 Tonne Hydraulic Press Vertical Pneumatic Test Rig Horizontal Assembly & Test Rig.