ZRQO type intelligence adjusts a ball check

That ZRQO type intelligence adjusts a ball check is that one kind of corner being composed of electric RQ series intelligence actuating mechanism and orbit ball check is 90 degree of revolution type regulating valve , has good hermetic sealing , applies to big ability occasion sealing off a request circulating strictly at present generally , applies to industrid departments such as chemical industry , petroleum , paper making , oil refining broadly.