1.Series Code: KHB(BKH) series.KHM(MKH) Series 2.Joint Code: M.G. LR .SR .PT.NPT 3.Valve Body Material: 1-steel.2-stainless steel 4.Ball Body Material: 1-steel.2-brass.3-stainless steel 5.Operating Temperatue: 1.-25--+100.2.-30--+170 6.Other Airproof: 2-nitrile rubber.4-fluorine rubber 7.Handle Type: 01-Alu.straight handle 02-Alu.brace 03-casting zinc straight handle 04-casting zinc brace 05- steel straight handle 06-steel brace 09-without handle 8.Design Number: to be decided by the manufacturer 9.Surface Disposal: blank-phosphor polish.G-electroplated yellow zinc