1.Build-in Ball Valves ,full flow 2.OEM 3.suitable for water services,heating,etc. 4 ... life-time use. Application: Material: NO. Component Material 1 Body C37700 2 Bonnet C37700 3 Ball C37700 4 Seat Ring Teflon ... Other Valves seriesSample Showroom The 111st Canton fairMain Market 1.Europe 2.South America 3.North America 4.Southeast Asia 5. ... Mauritius,Algeria etc. Build-in Ball Valves full flow/1/2" 3/4 ...