Rupture discs (also known as a pressure safety rupture disc, burst disk, bursting disc, or burst diaphragm) and Venting panels are the main products of DonadonSDD Srl the absolute specialist with more than 70 years of experience in manufacturing Rupture Discs. The range of safety devices for protection of equipment from pressure variations manufactured by DonadonSDD includes: - Rupture Disks in Stainless steel, special alloys, Nickel, Titanium, ,Tantalum, and graphite - Venting panels for protection of plants with explosion risk - Burst indicators also for explosion atmosphere applications www.donadonsdd.com