Principles of use of ball valves:1. For main oil and natural gas pipelines that need to be cleaned and buried underground, ball valves with full-bore and fully-welded structures should be selected; for those buried on the ground, ball valves with full-bore welded connections or flange connections should be selected ; Branch pipe, choose flange connection, welding connection, full bore or reduced bore ball valve. Non-metallic materials that resist pressure release and burst should be selected for nominal pressures above PN100 (CL600).
2022-December-15
