The KHB ball valve (KHB, BKH, KHM, MKH, YJZQ) is a small high pressure ball valve. Small high pressure ball valve forging choice overall valve structure is simple, easy to operate, the fluid resistance is small, reliable sealing performance, can change the seals and pay for items, increased life to reduce user costs; flow resistance loss, reliable sealing performance, easy to operate , attractive appearance, and so on; high pressure, wide application and can be used to control the hydropower oil, gas, water pipeline system off.