... 8 9 101, Series code:KHB valve block type valve DN16-25,KHM oversleeve type valve DN32-50 2, Nominal Path: ... 16 20 25 32 40 50mm3, SAE flange type4, Valve Body ... joint material: steel5, Valve Body material: steel6. Valve body sealing:POM.7, Valve block and joint airproof: ... name.2012-10 High pressure flange ball valve