... MC Type(Self-cleaned plug)Flow Characteristic: Equal Percentage/Linear and Quick OpeningMaterial: ASTM A276 431, ASTM A276 420, ... positioner, pneumatic valve positioner, handwheel, valve position transmitter and air filtrated pressure reductor, etc. according to customer ... , max design pressure differential, medium, type of actuator and connection standard etc. Pneumatic Diaphgram Operated Steam Drain ...