Product Name: Stainless Steel Food Grade Sanitary Hygienic Manual Welded Butterfly Valve Valve Body Material: 1.4404/1.4301, SS304/SS316L(Forged) Disc: 1.4404/1.4301, SS304/SS316L(Forged) Seal Material: EPDM (standard) conforms to FDA177.2600 Operating Principles The butterfly valve can be operated automatically through actuator.The actuator push piston of axial movementinto 90 degree so that it controls butterfly valve Surface Finishing RA