Description
Rubber-lined Butterfly Valve
Overview:
►1. Flange
Flange and drilling to EN1092-2, face to face as per ISO5752 series 14 or Series 13
►2. Disc
The disc is fully vulcanized with natural hard rubber, Streamlined low profile disc ensures lower flow resistance.
►3. Disc seal ring,
L profiled disc seal ring fixed by retainer ensures reliable sealing performance in both directions, which is also easy to be adjusted or replaced without any special tools.
►4. Body
The body is fully vulcanized with natural hard rubber.
►5. Shaft seal ring
Multiple shaft O rings provide long life and reliable sealing performance, which is easy to be adjusted or replaced.
►6. Shaft
A dry shaft design can prevent corrosion from service medium
►7. Gearbox
A low torque gearbox can be easily operated by hand wheel or connected with an actuator
►8. Top flange
The gearbox is equipped with ISO 5210 flange connection with an actuator, and F10 is standard specified.
| Name | Material |
| Body | GJS500-7/ GJS400-15/ WCB+ rubber lining |
| Disc | GJS500-7/ GJS400-15/ WCB+ rubber lining |
| Shaft | SS420/SS431/Duplex 1.4462 |
| Disc seal ring | EPDM |
| Retainer ring | Carbon steel +epoxy/ SS304/ SS316 |
| Shaft bearing | AL-bronze |
| O ring | EPDM |
| Pin | SS420 |
| Key | SS420 |
| Packing gland | Carbon steel +epoxy |
| Connection flange | Carbon steel +epoxy |
| End cover | Carbon steel +epoxy |
(Other Materials are available on request)
Size: DN150 – DN3600; 6″-144″
Pressure: PN6-PN10-PN16-PN25-PN40
Coating: epoxy painting min. thickness 200micron.
Suitable medium: water, seawater, weak corrosive fluid, etc.
Suitable temperature:-10-120℃
