steel ball valve: DN 6~50mm Female thread BSP, NPT,PT Size 1/8" to 2" Hydraulic oil drived HRPC company is a ... brand china manufacture carbon steel ball valves (steel ball valve)1. Part Number: KHB(BKH)2. Pressure: 500bar (7250psi)3. Diameter ... : 4, 6, 10, 13, 20, 25,32 40, 50mm4. Size: 1/8" ~ 2"5. Temperature: -25~+100oC (NBR), -30~+170oC (FPM ...