... : DN15-DN200 3,Materials:ceramic 4,Certificates:ISO9001 Ceramic water level control valve Standards: 1,Material: lining ceramic/ body carbon steel ... steel2,DN: DN15-DN2003,PN: PN1.6-4.0MPa4,Suitable Temperature: ≤500°C5,Medium Application: particle media with high hardness, erosive ... grout transportation; petrochemical industry;paper industry wastewater treatment Ceramic water level control valve