The BI-TORQ BY-LE-2-40-63-DA series 4" lug style automated butterfly valve features a standard cast iron body, SS disc and EPDM seal. The valve has a pressure rating to 225 PSI (thru 8") and a temperature rating of +275°F. The EPDM seals are compatible with a wide range of industries and media type, especially high temperature applications. This version comes complete with a PN-63-DA double acting (air-to-open, air-to-close) pneumatic actuator sized for 80PSI air supply.