EPDM Double Flanged Eccentric Disc Butterfly Valve
Valve Standard:
Comply with AWWA C504
Pressure Temperature Ratings:
| Working pressure | 16bar |
| Testing pressure | shell:24bar |
| seal:17.6bar | |
| Working Temperature | ̶ 20°to 110C°EPDM Seat |
| 14°to 176C°NBR Seat | |
| Suitable Midea | Water, Oil & Gas |
- Description
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Description
EPDM Double Flanged Eccentric Disc Butterfly Valve
Double Flanged Eccentric Butterfly valve is kind of double eccentric construction, body and disc use sound ductile iron by integral casted, and totally coated epoxy powder in internal & surface, conforming to sanitary codes for drinking water.
This kind of valve owns many typical feature, such as low Cv on its disc streamline’s design; in-line repairable owing to its re-adjust & renewable sealing ring fix construction. And thanks to its reliable key-pin lockable device, the valve can effectively withstand shock from periodical turbulent medium.
It is widely used in long distance water convey, Municipal Waterworks, industrial water treatment, and construction hydrant system, and so on.
| Double Flanged Eccentric Butterfly valve Dimensions (mm/inch) | |||||||||||||||
| SIZE | mm | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 750 | 800 | 900 | 1000 | 1200 |
| inch | 8″ | 10″ | 12″ | 14″ | 16″ | 18″ | 20″ | 24″ | 28″ | 30″ | 32″ | 36″ | 40″ | 48″ | |
| L | 152 | 203 | 203 | 203 | 203 | 203 | 203 | 203 | 305 | 305 | 305 | 305 | 305 | 381 | |
| H1 | 284 | 349 | 386 | 412 | 447 | 491 | 541 | 602 | 655 | 698 | 740 | 805 | 916 | 1043 | |
| H2 | 185 | 217.5 | 257 | 284 | 316 | 336 | 373 | 428 | 485 | 515 | 552 | 607 | 672 | 782 | |
| Part | Material | ASTM |
| Body | Ductile Iron | A536Gr.65-45-12 |
| Disc | Ductile Iron | A536Gr.65-45-12 |
| Body Seat Ring | Ductile Iron | A536Gr.65-45-12 |
| Seat Ring | SS304 | A351 CF8 |
| Disc Seat Ring | EPDM/NBR | |
| PTFE | ||
| Shaft | SS410 | A276 S410 |
| SS431 | A276 S431 | |
| O-Ring | EPDM/NBR | |
| Bushing | Bronze |
