20 years experience in butterfly valve,mature technology and rich export experience ,the quality will satisfy you . Name: butterfly valve Specification : Material:AISI304 , AISI316LSpecification:DN15-200&0.5”-8”Standard:ISO, DIN, 3A, etcMaximum:1.0Mpa(10bar)Model of drive:Manual, Electric, PneumaticConnection:Welded, Clamped, Threaded, FlangedWorking Principal:manual operation or driving device ...