V r iron works is an iso 9001: 2000 certified company which manufacture ball valve, high pressure ball valve, gate valve, globe valve, piston valve, check valve, flush bottom tank valve, strainers, flanges, etc. Used for chemical process, petrochemicals, power generation, oil and gas. Fertilizers, refineries, food and cement industries. Etc. Cast steel ball valves are available in the following standards: manufacturing standard - bs 5351/5352/api 600: face-to-face asme b 16,10: and testing standard - bs 61551 api 598. The hydraulic test pressure: class - 150: body - 425 psig: and seat- 300 psig: and class - 300: body - 1100 psig: and seat - 800 psig.