... produce many kinds of export certificates Ceramic lined ValveNote:CE,API.ISO Approved ceramic lined valve as for the difference working condition ... ,CF3M,CF8,CF8M,CN7M,CF8C,317LSpecial Alloy CE aproved ceramic lined valve Apply to such as ash, mud slag, coal slurry ... . Sealing face: soft seal such as Ceramic ,rubber,PTFE and Metal seal.5. Packing: PTFE, reinforce Graphite etc;Size rangeSize:2" -14 ...