AVK CENTRIC DOUBLE FLANGED BUTTERFLY VALVE, PN 10/16
Short, fixed EPDM liner, duplex disc, FM approved
Centric butterfly valve with fixed liner – double flanged short – duplex disc – FM approved for fire protection applications to max. 70° C
Description
Key Features
- Bonded vulcanized liner of EPDM with an excellent compression set and thus ability to regain its original shape.
- Streamlined disc with minimum flow resistance.
- Profiled disc edge requires minimal deformation of the liner to achieve tight sealing, and results in less wear of the liner.
- Disc, shaft and conical pin of duplex steel.
- Shaft bearings of PTFE coated steel.
- Top shaft sealing consisting of a bronze bushing with two EPDM O-rings
- Bottom shaft sealing consisting of a plug of galvanized steel with a copper sealing ring
- Low torques as a result of the profiled disc edge and fixed liner design.
- Ductile iron body with 200 μ epoxy coating red RAL 3000.
Information
AVK centric butterfly valves with fixed liner feature an outstanding seating concept. The rubber is injection moulded directly on the valve body forming a permanent bond. Consequently, there is no risk of deformation or dislocation of the liner making the valves suitable under vacuum conditions. The combination of the profiled disc edge and the excellent AVK rubber quality ensures maximum durability of the liner.
| Variant 75/20-023 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN50 – DN300 |
| PN: | PN 16 |
| 1. | Shaft | Duplex steel |
| 2. | Bushing | Bronze |
| 3. | O-ring | EPDM |
| 4. | Body | Ductile iron GJS-400-15 |
| 5. | Bearing | PTFE coated steel |
| 6. | Conical pin | Duplex steel |
| 7. | Disc | Duplex steel |
| 8. | Shaft | Duplex steel |
| 9. | Liner | NBR |
| 10. | Bearing | PTFE coated steel |
| 11. | Seal ring | Copper |
| 12. | Plug | Galvanized steel |
Test/Approvals
- Hydraulic test according to FM.
- Approved according to FM
Standards
- Face to face according to EN 558 table 4 basic series 13
- Standard flange drilling to EN1092 (ISO 7005-2), PN 16
Additional information
| Reference No. | 75-0050-20-213002600204, 75-0065-20-213002600204, 75-0080-20-213002600204, 75-0100-20-213002600204, 75-0125-20-213002600204, 75-0150-20-213002600204, 75-0200-20-213001300204, 75-0200-20-213002600204, 75-0250-20-213001300204, 75-0250-20-213002600204, 75-0300-20-213001300204, 75-0300-20-213002600204 |
|---|---|
| Brand | AVK |
| PN | PN10, PN16 |
Reference Nos. and Dimensions
| Reference Number | DN
mm |
Flange
Drilling |
L
mm |
H1
mm |
H2
mm |
F2
mm |
L5
mm |
ISO
Flange |
Theoretical
Weight kg |
Notes |
| 75-0050-20-213002600204 | 50 | PN16 | 108 | 118 | 63 | 34 | 12 | 90 | 8.0 | Disc material in Duplex |
| 75-0065-20-213002600204 | 65 | PN16 | 112 | 126 | 71 | 34 | 12 | 90 | 9.0 | Disc material in Duplex |
| 75-0080-20-213002600204 | 80 | PN16 | 114 | 133 | 78 | 34 | 12 | 90 | 11 | Disc material in Duplex |
| 75-0100-20-213002600204 | 100 | PN16 | 127 | 147 | 98 | 34 | 12 | 90 | 13 | Disc material in Duplex |
| 75-0125-20-213002600204 | 125 | PN16 | 140 | 160 | 109 | 34 | 12 | 90 | 17 | Disc material in Duplex |
| 75-0150-20-213002600204 | 150 | PN16 | 140 | 180 | 133 | 34 | 14 | 90 | 23 | Disc material in Duplex |
| 75-0200-20-213001300204 | 200 | PN10 | 152 | 204 | 158 | 34 | 14 | 90 | 32 | Disc material in Duplex |
| 75-0200-20-213002600204 | 200 | PN16 | 152 | 204 | 158 | 34 | 14 | 90 | 32 | Disc material in Duplex |
| 75-0250-20-213001300204 | 250 | PN10 | 165 | 245 | 194 | 45 | 15 | 125 | 50 | Disc material in Duplex |
| 75-0250-20-213002600204 | 250 | PN16 | 165 | 245 | 194 | 45 | 15 | 125 | 50 | Disc material in Duplex |
| 75-0300-20-213001300204 | 300 | PN10 | 178 | 270 | 219 | 45 | 15 | 125 | 65 | Disc material in Duplex |
| 75-0300-20-213002600204 | 300 | PN16 | 178 | 270 | 219 | 45 | 15 | 125 | 65 | Disc material in Duplex |
Quick Quote
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