Rail ball valve is a new type of practical product, which is a high-tech ball valve with a 90 degree swing to cut off the rotating ball core. Rail ball valve products are very suitable for safe and reliable operation under flammable, explosive, volatile, highly toxic and other environmental conditions. Widely used in chemical, petroleum, light industry, medicine, textile, papermaking, environmental protection, military facilities, airports and other transportation pipelines to cut off or circulate media.