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BUTTERFLY VALVE ( Wafer Type )
Manufacture : TOZEN
SPECIFICATION
FOR BS 4504 PN10 OR PN16 FLANGE MOUNTING・FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 / BS EN 593 LEVER / WORM GEAR OPERATOR
PRESSURE / TEMPERATURE RATINGS
| Working Pressure | 16 bar |
| Testing Pressure | Shell : 24 bar Seat:17.6 bar |
| Working Temperature | -20oC to 110oC (EPDM Seat) -10oC to 80oC (NBR Seat) |
| Suitable Media | Water, Oil & Gas |
MATERIALS
| Part | Material | BS |
| Body | Cast Iron Ductile Iron | Gr. 220 Gr. 420/12 |
| Disc | Ductile Iron Aluminum Bronze Stainless Steel 304 Stainless Steel 316 | Gr. 420/12 1400 AB2 304 C15 316 C16 |
| Seat Ring | EPDM NBR PTFE Viton | |
| Shaft | Stainless Steel 410 Stainless Steel 431 Stainless Steel 316 | 410 S21 431 S29 316 S16 |
| Taper pins | Stainless Steel 316 | 316 S16 |
| Key | Carbon Steel | |
| O-Ring | NBR | |
| Bushing | PTFE (DN50 ~ 600) Luberized Bronze (DN50 ~ 1000mm) |
DIMENSIONS
Size
mm
|
A
mm
|
B
mm
|
C
mm
|
D
mm
|
E
mm
|
F
mm
|
G
mm
|
Cv
90°
|
50
65
80
100
125
150
200
250
300
350
|
42
45
45
52
54
56
61
66
77
77
|
80
89
97
114
127
140
175
203
244
269
|
195
208
213
234
246
259
305
338
381
-
|
267
267
267
267
267
267
358
358
358
-
|
272
287
292
310
325
338
452
485
526
556
|
173
173
173
173
173
173
239
239
226
226
|
150
150
150
150
150
150
285
285
285
285
|
135
220
302
600
1022
1579
3136
5340
8250
11917
|
