SKVAL VALVES supplied the high pressure valves with our own logo "SKVAL" to AIR LIQUIDE (http://www.airliquide.com/ ).The project is AL Heracles and project No. is 1.69796-HYCO.Our valves include 8" 1500lb pressure seal gate valves in WC6 with KSB over pressure safety devices and 8" 1500lb tilting disc check valves in WC6.For more information,please contact SKVAL sales team.