Butterfly Valve
Semi-conductor, pharmaceutical, Bio-technology, food processing, structural engineering
Everfit Technology CO., LTD. (EFT) is one of the stainless steel pipe fittings manufacturers based in Taiwan with over 36 years of experience. EFT provides 316, 316Ti stainless steel pipe fittings, pipe reducer, eccentric pipe reducer, vacuum pump, valve actuator - ISO, EN11435, DNV, TSSA CRN, BPE, 3-A SSI certified.
Butterfly Valve | Butterfly Valve
Designation
| NO | DESIGNATION | MATERIAL |
|---|---|---|
| 1 | Body | SS304/316L |
| 2 | Disc | SSB04/316L |
| 3 | Seal | EPDM/SILICON/VITON |
| 4 | Notch plate | SSB04 |
| 5 | Screw | SS304 |
| 6 | Girpper bar | SS304 |
| 7 | Handle | Nylon |
| 8 | Spring | SS304 |
| 9 | Pin | SS304 |
| 10 | Seal | EPDM |
Technical Date
- Max. product pressure : 10bar
- Min. product pressure : Full vacuum.
- Temperature range : -10° to +95°C
Materials
- Product wetted steel parts : AISI304 OR AISI316L.
- Finish : Semi-bright.
- Other steel parts : AISI 304.
- Rubber gardes : Silicon rubber, EPDM or VITON.
Ordering
- Please state the following when odering:
- Valve type.
- Valve size.
- Connections. if not welding ends.
- Materials : AISI304 or AISI 316L.
- Rubber garde : EPDM, Silicone, or Viton
- Type of handle, if required.
Specification
Torque for Open/Close
(for rotating the valve disc in a dry seal ring)
| Size | Max.Nm |
|---|---|
| 1"/ DN25 | 15 |
| 1.5"/ DNB8 | 15 |
| 2"/ DN51 | 20 |
| 2.5" DN63.5 | 25 |
| 3"/ DN76 | 30 |
| 4"/ DN104 | 35 |
| 6" | 45 |
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