1, The valve body is with steel plate welded structure. There are 3 types, damper type, 15° sealed type and back seat type.
2, There are two types of bonnet, one is standard type which is suitable for valve size below DN500, the other one is outer bearing type which is suitable for valve size above DN600.
3, The valve is with simple and light structure and it is applicable to control of low pressure air or other gas flow and high temperature gas.