... 7 8 9 101, Series code:KHB valve block type valve DN16-25,KHM oversleeve type valve DN32-50 2, Nominal Path: 16 ... 50mm3, SAE flange type4, Valve Body joint material: steel5, Valve Body material: steel6. Valve body sealing:POM.7, Valve block and joint airproof: 4 ... ,06-Steel crooked handle.10, Manufacture name.2012-10 High pressure flange ball valve