Signal gate valve is used in fire sprinkler piping system to control the critical water supply piping, valves can be situ direct valve opening.
Technical data
|
DN(mm) nominal
diameter |
1.0—2.5 |
|
PN(Mpa) |
50—400 |
|
Suitable temperature |
0—120 |
|
Suitable mediums |
Water, oil , gas
etc. |
|
Flange size |
GB/T17241.6 GB9113 |
|
Test test |
GB13927 AP1598 |
|
No |
Part |
Material |
|
6 |
Valve bonnet |
Gray
iron,spheroiddal cast iron,steel |
|
1 |
Transmission
apparatus |
Spheroidal cast
iron, stee. |
|
7 |
Fixing |
Carbon steel,
stainless steel |
|
2 |
Hand wheel |
Malleable iron |
|
8 |
Valve body |
Carbon
steel,spheroidal,cast iron,steel |
|
3 |
Dust-cover |
Plastic |
|
9 |
Copper nut |
Bronze |
|
4 |
Seal ring |
NBR,EPDM |
|
10 |
Valve stem |
Stainless steel |
|
5 |
Trust bearing |
Bronze |
|
11 |
Valve disc |
Spheroidal cast
iron+NBR or EPDM |