fire signal butterfly valve
model: xd371x
nominal pressure: pn1.0 ~ 2.5mpa
nominal diameter: dn50 ~ 350mm
working temperature: -10 ℃ -80 ℃
suitable medium: water, oil, gas
design criteria: gb / t12238-2008
length of the structure: gb / t12221-2005
connection standard: jb / t 79.1-1994
pressure test: gb / t13927-2008
nominal pressure: pn1.0 ~ 2.5mpa
nominal diameter: dn50 ~ 350mm
working temperature: -10 ℃ -80 ℃
suitable medium: water, oil, gas
design criteria: gb / t12238-2008
length of the structure: gb / t12221-2005
connection standard: jb / t 79.1-1994
pressure test: gb / t13927-2008
[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 |
the previous：lt-type butterfly valve