As the professional manufacture, we would like to provide you Hispeed® DIN PN16 Rising Stem Resilient-Seated(OS and Y) Gate Valve. We supply DIN PN16 Rising Stem Resilient-Seated(OS and Y) Gate Valve. The gate valve provides full flow with minimal pressure drop. The gate valve is designed to be the main control valve in an automatic fire sprinkler system. The gate valve features a PN16 flange, raised face end connection for easy installation and accessibility. Outside screw and yoke (OS and Y) gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required. This valve features a pre-grooved stem for tamper switch mounting. It is listed by Underwriters Laboratories of the FM Approved.We are expecting to become your long term partner in China.