バルブ、圧力計、温度計(Valve and accessories)
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 |
Wafer Type Butterfly Valve BFV-WB
PN16 DN400~600 PN10 DN700~1000
SPECIFICATION
DOUBLE-STAGE WORM GEAR OPERATOR
PRESSURE / TEMPERATURE RATINGS
| Working Pressure | 16 bar (40mm ~ 600mm) 10 bar (700mm ~ 1000mm) |
| Testing Pressure | Shell : 24 bar (400mm ~ 600mm) 15 bar (700mm ~ 1000mm) Seat : 17.6 bar (400mm ~ 600mm) 11 bar (700mm ~ 1000mm) |
| Working Temperature | -20°C to 110°C (EPDM Seat) -10°C to 80°C (NBR Seat) |
| Suitable Media | Water, Oil & Gas |
|
Size mm |
A mm |
B mm |
Double-Stage Worm Gear Operator | Cv 90° |
|||||
| C mm |
D mm |
E mm |
F mm |
G mm |
H mm |
||||
| 400 450 500 600 700 800 900 1000 |
87/102 106/114 132 152 165 190 205 218 |
318 333 371 556 625 607 655 1275 |
686 709 767 851 1011 1046 1196 1275 |
104 104 142 142 173 173 201 201 |
328 328 328 394 457 457 480 480 |
104 104 145 145 173 173 203 203 |
279 279 305 305 358 358 409 409 |
302 302 302 391 424 424 424 424 |
>16388 21705 27908 43116 49500 68250 86375 119750 |
Note:
- Actuator mounting flange conforms to ISO 5211 drilling.
- The butterfly valve can be supplied with electric or pneumatic actuator.
- Pneumatic actuators are available in spring return or double acting.
- Micro switch / limit switch box are available upon request.
- JIS B2239 10K and other flange standards available upon request.
- If used for gas application, please consult our sales office.
- Design and specifications are subject to change without notice.

