AVK CENTRIC SEMI LUG BUTTERFLY VALVE, PN 10
Fixed NBR liner, stainless steel disc,
Mamoun Humayra
Water Product Manager
Centric butterfly valve with fixed liner - semi lug - stainless steel disc for fire protection application. FM approved
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 75/31-023 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN50 - DN300 |
| PN: | PN 10/16 |
Features
- Bonded vulcanized liner of NBR 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.
- Shaft and disc of stainless steel AISI 431.
- 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 PUR coating red RAL 3000.
Downloads
Datasheet
Certificate(s)
Outline drawings
Price list
Reference nos. and dimensions:
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| Ref. no. | DN mm |
Product PN Class |
L mm |
H1 mm |
H2 mm |
F2 mm |
L5 mm |
ISO Flange |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|
| 75-0050-30-214202600204 | 50 | PN16 | 43 | 118 | 63 | 34 | 12 | 90 | 2.8 |
| 75-0065-30-214202600204 | 65 | PN16 | 46 | 126 | 71 | 34 | 12 | 90 | 3.6 |
| 75-0080-30-214202600204 | 80 | PN16 | 46 | 133 | 78 | 34 | 12 | 90 | 3.9 |
| 75-0100-30-214202600204 | 100 | PN16 | 52 | 147 | 98 | 34 | 12 | 90 | 5.1 |
| 75-0125-30-214202600204 | 125 | PN16 | 56 | 160 | 109 | 34 | 12 | 90 | 7.0 |
| 75-0150-30-214202600204 | 150 | PN16 | 56 | 180 | 133 | 34 | 14 | 90 | 9.5 |
| 75-0200-30-214202600204 | 200 | PN16 | 60 | 204 | 158 | 34 | 14 | 90 | 14 |
| 75-0250-30-214201300204 | 250 | PN10 | 68 | 245 | 194 | 45 | 15 | 125 | 24 |
| 75-0250-30-214202600204 | 250 | PN16 | 68 | 245 | 194 | 45 | 15 | 125 | 24 |
| 75-0300-30-214201300204 | 300 | PN10 | 78 | 270 | 219 | 45 | 15 | 125 | 36 |
| 75-0300-30-214202600204 | 300 | PN16 | 78 | 270 | 219 | 45 | 15 | 125 | 36 |
Enquiry
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Components
| 1. | Shaft | Stainless steel 431 |
| 2. | Bushing | Bronze |
| 3. | O-ring | NBR rubber |
| 4. | Body | Ductile iron GJS-400-15 |
| 5. | Bearing | PTFE coated steel |
| 6. | Conical pin | Stainless steel 431 |
| 7. | Disc | Stainless steel 431 |
| 8. | Shaft | Stainless steel 431 |
| 9. | Liner | NBR rubber |
| 10. | Bearing | PTFE coated steel |
| 11. | Seal ring | Copper |
| 12. | Plug | Galvanized steel |
Test/Approvals
- Approved according to FM
Standards
- End connection to en-GB 1092-2 PN 10/16
- FM approved
