... PN0.6MPa 3.ISO9001-2000 4.Good quality Carbon Steel Butterfly Valve1.Size:DN25-4000 2.Pressure: ... CV. Applicable to metallurgy and glass industries because of its block-proof and high-temperature-endurable characteristics. ... (6"- 80") PNANSI 125,JIS10K, PN0.6MPaMaterial of parts BodyWCB,CF8,CF8MDiscWCB,CF8,CF8MStem310S,304,316N6LPackingPTFE, ... 1% to 5.0% hot sale of Carbon Steel Butterfly Valve