stainless ball valve: 1.PN: 500bar 2.DN: 50mm 3.Join Type: thread,flange,manifold mounting 4.Connection: BSP, NPT,PT HRPC company ... hydraulic components, our products include:hydraulic ball valves, high pressure ball valves, threaded ball valve, flanged ball valve, stainless steel ball valve,carbon steel ball valve, oil cylinders, multi-stage cylinders ...