GWS is the leading manufacturer of pressure vessels built to the world’s most rigorous and demanding quality standard – the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code.

With design, fabrication, assembly and inspection all carried out in our own ASME-accredited facility, our pressure vessels ensure the safety, reliability and peace of mind that our customers demand for their most challenging applications.

In addition to our standard range, GWS also offers a complete suite of ASME pressure vessel design and fabrication services for custom sizes and pressure ratings to suit any application, and we supply these with U-stamp to ensure regulatory compliance in the strictest jurisdictions.