ZSXF-65-D、80、100、125、150、200 Fire signal butterfly valve has the advantages of simple structure,reliable tightness, easy opening, long service time, easy to maintain. So it is widely used on pipes of water supply&drainage, construction and fire systems. This valve can rightly show the switch condition, and directly, clearly, reliably reflect the fire system condition. So it is widely used in fire systems. Product standards: GB5135.6-2003 Automatic sprinkler system -Part 7: General valve.
