pressure vacuum relief valve and breather valve - Über- und Unterdruckventil 
PVRV (pressure vacuum relief valve) or breather valve are required to protect the atmospheric tank (which was design per API Std 620, not ASME Sect VIII) from tank in-breathing (liquid pump-out operation) and out-breathing (liquid fill-in operation) as per API Std 2000. Germany Braunschweiger Flammenfilter GmbH (PROTEGO) - www.protego.de - Braunschweig-Bienrode, Industriestrasse 11, 38110 Braunschweig, Deutschland E-Mail: office@protego.de, Tel. +49 (5307) 8090, Fax +49 (5307) 78 24 products: Detonation Arrestor, Flame arrestor LESER GmbH & Co. KG - www.leser.com - Wendenstrasse 133-135, 20537 Hamburg, Deutschland E-Mail: sales@leser.com, Tel. +49 (40) 251 65-100, Fax:+49 (40) 251 65-500 company profile: With a staff of 250 in Hamburg and in the north German Hohenwestedt , LESER ranks among the leading manufacturers of safety valves worldwide. The product range comprises a total of 23 valve series (nominal diameter range DN 10 ...400 - NPS 1/4" ...16") for applications in all branches of industry. Annual production currently amounts to 60,000 safety valves. LESER is a member of VDMA, ASME and TÜV-Nord. Site Map www.vacuum-guide.com |
