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BUTTERFLY VALVE ( Lugged Type )
Manufacture : TOZEN
SPECIFICATION
FOR BS 4504 PN25 FLANGE MOUNTING
FACE-TO-FACE DIMESNION TO ISO 5752 / BS 5155 / BS EN 593
LEVER / WORM GEAR OPERATOR
FACE-TO-FACE DIMESNION TO ISO 5752 / BS 5155 / BS EN 593
LEVER / WORM GEAR OPERATOR
PRESSURE / TEMPERATURE RATINGS
| Working Pressure | 25 bar |
| Testing Pressure | Shell : 37.5 bar Seat : 27.5 bar |
| Working Temperature | -20°C to 110°C (EPDM Seat) -10°C to 80°C (NBR Seat) |
| Suitable Media | Water, Oil & Gas |
MATERIALS
| Part | Material | BS |
| Body | Ductile Iron | 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 / Viton | |
| Shaft | Stainless Steel 431 | 431 S29 |
| Taper Pins | Stainless Steel 316 | 316 S16 |
| Key | Carbon Steel | |
| O-Ring | NBR | |
| Bushing | PTFE / Luberized Bronze |
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
302
302
302
302
|
135
220
302
600
1022
1579
3136
5340
8250
11917
|
