XT Valves supplie for Nominal Pressure: PN16~32MPa, 150Lb~2,500Lb.Special high pressure globe and check valves are designed for 4,500Lb working pressure Inside Nominal Diameter: DN10~50mm, 3/8~2". Main Material: A105?LF2?F5?F11?F22?304?316?316L etc. Achievements:ISO9001,API 6D,CE 1277.