... level control valve 1,Size:2"-13"control valve 2,DN: DN15-DN200 3,Materials:ceramic 4,Certificates:ISO9001 Ceramic water level ... control valve Standards: 1,Material: lining ceramic/ body carbon steel + ... ,Operated way: Handwheel, Gear, Pneumatic, Electric Actuator.Advantages:1, The parts contacting with the media are made of ceramic ...