Wilhelm Maass GmbH is a leading manufacturer of stainless and alloy flanges, located in Essen, Germany. As headquarters of the Maass Global Group, we offer our clients an array of products – from small to large dimensions – combined with varying materials in diverse pressure ranges – and a wide range of products and services worldwide. We are NORSOK M-650 Rev. 4 certified and hold in addition, the quality certificate ISO 9001:2008 and PED (Pressure Equipment Directive). We have made it our priority to supply our customers with superior and high quality products along with our dedicated service. In order to ensure this, regular training courses and audits are conducted. Our process conforms to modern industry regulations and are constantly reviewed and optimised to ensure our competitiveness. We welcome your questions that you may have, and look forward to a long professional relationship.