Top entry ball valves are designed, manufactured and tested in accordance with API 6D and ASME B16.34.Can meet API 607 sixth edition and API 6FA third edition specification requirements. The valve size range is from 2 inches to 36 inches, pressure rating is from 150 lb to 2500 lb. Top entry ball valves are capable for on line maintenance, They may replace or repair the ball, seat or soft seals after strip the cover, so YDF top entry ball valves have been widely used for oil & gas pipeline.
