Regent soft seat Butterfly Valves have centric disc construction, single piece body, and resilient seated seat in various materials of constructions to give a 100% tight shut-off in both directions of flow against vacuum and design pressure ratings of PN 1.0 and PN 1.6. This series was designed to meet the stringent requirements for HVAC, Irrigation, OEM, Commercial and Institutional application and wherever positive shut-off is required for liquids, gases and slurries.