[Basic Information]
The special signal
butterfly valve for fire protection is a medium-line type butterfly
valve developed by introducing advanced foreign technology. The
butterfly valve for special fire-fighting signal of BWSX center line has
the advantages of simple structure, reliable sealing, light weight,
long service life and convenient maintenance. It is widely used in
plumbing, building fire and other systems of various pipes, especially
in the fire pipeline.
Fire signal butterfly valve main parts:
|
Serial number
|
Part Name
|
Material
|
Serial number
|
Part Name
|
Material
|
|
1
|
Body
|
Ductile iron, cast steel
|
7
|
Sealing ring
|
NBR.EPDM
|
|
2
|
Valve shaft
|
SUS410 / SUS316
|
8
|
Round spacers
|
SUS316 / brass
|
|
3
|
Butterfly plate
|
Ductile iron spray, stainless steel
|
9
|
Open ring
|
SUS316 / brass
|
|
4
|
Seat
|
EPDM, PTEE
|
10
|
Ring
|
Spring steel
|
|
6
|
bushing
|
Bronze, Teflon
|
[The main dimensions and weight] (PN1.0 / 1.6MPa)
| DN (mm) | A | B | C | D1 | L | n-Φ | K | E | 4-Φ1 | Φ2 | G | Weight WT (kg) |
| 50 | 140 | 80 | 43 | 125 | 32 | 4-19 | 77 | 57.15 | 4-6.7 | 12.6 | 100 | 3.34 |
| 65 | 152 | 89 | 46 | 145 | 32 | 4-19 | 77 | 57.15 | 4-.67 | 12.6 | 120 | 3.94 |
| 80 | 159 | 95 | 45.21 | 160 | 32 | 8-19 | 77 | 57.15 | 4-.67 | 12.6 | 127 | 4.05 |
| 100 | 178 | 114 | 52.07 | 180 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 15.77 | 156 | 5.48 |
| 125 | 190 | 127 | 55.5 | 210 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 18.92 | 190 | 7.66 |
| 150 | 203 | 139 | 55.75 | 240 | 32 | 8-23 | 92 | 69.85 | 4-10.3 | 18.92 | 212 | 8.5 |
| 200 | 238 | 175 | 60.58 | 295 | 45 | 8-23 | 115 | 88.9 | 4-14.3 | 22.1 | 268 | 25 |
| 250 | 268 | 203 | 68 | 350 | 45 | 12-23 | 115 | 88.9 | 4-14.3 | 28.45 | 325 | 31.4 |
| 300 | 306 | 242 | 76.9 | 400 | 45 | 12-23 | 140 | 107.95 | 4-14.3 | 31.6 | 403 | 45.9 |
| 350 | 368 | 267 | 76.17 | 460 | 45 | 16-23 | 140 | 107.95 | 4-14.3 | 31.6 | 436 | 54 |
