Leading expert in sealing technology, SIEM SUPRANITE develops technical solutions which satisfy the toughest customers’ requirements. SIEM SUPRANITE is part of The FLEXITALLIC Group, the international market leader in the manufacture and supply of high quality and innovative sealing products. We have two main factories in Europe, in France (Paris Area) and UK (Leeds Area) where we manufacture gaskets and packings for the Nuclear Power Industry with PMUC Approval.
Our company is a specialist in the industry with more than 75 years’ experience and offers a complete range of sealing products including: sheets, sealing sheets, packings, spiral wound gaskets, expanded graphite. SIEM SUPRANITE – FLEXITALLIC holds the following certifications: EDF PMUC, Steam Generators and Primary Pumps Approvals. Operating on a global scale, we consistently achieve positive feedbacks from Nuclear Power Plants located in France, China and Worldwide