Fire Fighting Rising Stem Resilient Seat Gate Valve
Firefighting OS&Y Gate Valve is mainly used in fire-fighting system, with red color. People can Recognize Gate Valve is open or closed condition through the Rising Stem in a far distance.
Part Descripition 1- Body/Bonnet: GGG40/50
2- Stem: SS420/431
3- Bolts/Nuts: SS304
4- Wedge: GGG40/50 + EPDM Coating
5- Epoxy Resin coating internal & external, thickness above 300 micron
6- Flange or Socket Or Groove Ended
7- Work pressure: PN10/16; Size range: 1", 1 1/2", 2" to 24"
8- Design Standard: DIN F4/F5, BS5163, AS2638.2, AWWA C509/515
9- Operate: Handwheel