Hivac Engineering

HiVac Engineering Ltd, based in Hastings, East Sussex, is a UK contract manufacturer specialising in the precision design and manufacturing of ultra-high vacuum (UHV) chambers and equipment. They offer a comprehensive end-to-end service, encompassing CAD design, fabrication, TIG vacuum welding in Aluminium and Stainless Steel, UHV cleaning, leak testing, and RGA scanning, all conducted in-house. Their vacuum vessel manufacturing capability extends to a significant envelope of 3M x 3M x 3M, catering to both large batch production and one-off projects.

The company's capabilities include multi-axis CNC machining and advanced welding facilities. HiVac also provides specialist UHV cleaning and bake-out services, operating a purpose-built bake-out oven with advanced pumping and RGA analysis systems. They offer specific bake pass specifications detailing target pressures, leak rates, outgassing rates, and RGA analysis parameters. Inspection is supported by FARO CMM arms and an HLT leak detector. HiVac Engineering serves commercial and educational users, with a growing international reputation for high-quality UHV fabrications.

HiVac Engineering is ISO 9001:2015 certified, underscoring their commitment to consistent quality, documented processes, traceability, and a customer-focused approach. Their projects demonstrate expertise in manufacturing custom aluminium and stainless steel vacuum chambers for UHV research, particle physics, and synchrotron applications. Examples include large aluminium cylinder chamber vessels for STFC and stainless steel vessel bodies for XDS Oxford. The company emphasizes having all processes from design to final test under one roof, ensuring precision, quality, and fast turnaround. They also offer a range of standard catalogue vacuum components for rapid delivery.