Langfields (Warrington)

LANGFIELDS (WARRINGTON) LTD, trading as W.H. Capper (UK) Ltd and Cappers, is a long-established UK-based contract manufacturer with a history dating back to 1934. Located in Woolston, Warrington, Cheshire, the company specialises in the design and fabrication of high-integrity fusion welded pressure parts, including vessels, coils, heat exchangers, pipework, and tanks. Their operations are supported by purpose-built workshops for both carbon and stainless steel fabrication, alongside dedicated facilities for pressure testing and non-destructive testing.

W.H. Capper possesses extensive material capabilities, working with a wide range of alloys including carbon steel, stainless steel, duplex, super duplex, chrome-moly, Incoloy, Hastelloy, copper, Monel, and Inconel. Their fabrication processes are supported by advanced equipment, including a dedicated stainless-steel workshop, doubled coil manufacturing capacity, expertise in tubular manipulation and finned tube rolling, and a comprehensive welding plant for various metallic processes. The company also offers in-house non-destructive testing (NDT), hydraulic testing, pre and post-weld heat treatment, and a machine shop with CNC profiling. They serve diverse industries such as Oil & Gas, Hydrogen, Water, Chemicals, Carbon Capture, and Power Generation.

Adhering to numerous stringent industry codes and standards, including PD 5500, EN 13445, PED 97/23/EC, PE(S)R UKCA mark, ASME VIII-1, and ASME B31.3, W.H. Capper is also ISO 9001 accredited. Their fabrications are exported globally, demonstrating their capacity to meet international project requirements. Key differentiators include their in-house NDT capabilities with PCN-approved personnel and their ability to handle simultaneous clean energy projects and stainless and carbon steel fabrications.