AVK CENTRIC WAFER BUTTERFLY VALVE, PN 10/16
Fixed NBR liner for gas, stainless steel disc
Mamoun Humayra
Water Product Manager
Centric butterfly valve with fixed liner - Wafer - AISI 431 disc for gas to max. 50°C
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 75/10-033 | |
|---|---|
| Connection: | Flanged |
| Material: | Cast Iron |
| DN: | DN50 - DN600 |
| PN: | PN 16 |
Features
- Bonded vulcanized liner of NBR approved for gas applications 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 stainless steel
- Shaft bearings of PTFE coated steel
- Top shaft sealing: DN≤350: Bronze bushing with two EPDM O-rings, DN≥400: EPDM O-ring in bushing fixed with countersunk screws of galvanized steel
- Bottom shaft sealing: DN≤350: Plug of galvanized steel with a copper sealing ring, DN≥400: Axial bearing and ring of alubronze and an EPDM O-ring, protected by a cover plate of galvanized steel
- Low torques as a result of the profiled disc edge and fixed liner design
- Ductile iron body with 80 μ PUR orange RAL 2000
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 |
|---|---|---|---|---|---|---|---|---|---|
| 75-0050-10-1010026000 | 50 | PN16 | 43 | 118 | 63 | 34 | 12 | 90 | 2.6 |
| 75-0065-10-1010026000 | 65 | PN16 | 46 | 126 | 71 | 34 | 12 | 90 | 3.2 |
| 75-0080-10-1010026000 | 80 | PN16 | 46 | 133 | 78 | 34 | 12 | 90 | 3.5 |
| 75-0250-10-1010013000 | 250 | PN10 | 68 | 245 | 194 | 45 | 14 | 125 | 22 |
| 75-0300-10-1010013000 | 300 | PN10 | 78 | 270 | 219 | 45 | 15 | 125 | 32 |
| 75-0350-10-1010013000 | 350 | PN10 | 78 | 315 | 256 | 45 | 15 | 125 | 40 |
| 75-0400-10-1010013000 | 400 | PN10 | 102 | 363 | 308 | 50 | 25 | 175 | 75 |
| 75-0400-10-1010023000 | 400 | PN10 | 102 | 363 | 308 | 50 | 25 | 175 | 75 |
| 75-0450-10-1010013000 | 450 | PN10 | 114 | 388 | 334 | 50 | 25 | 175 | 90 |
| 75-0450-10-1010023000 | 450 | PN10 | 114 | 388 | 334 | 50 | 25 | 175 | 90 |
| 75-0500-10-1010013000 | 500 | PN10 | 127 | 413 | 360 | 50 | 25 | 175 | 120 |
| 75-0500-10-1010023000 | 500 | PN10 | 127 | 413 | 360 | 50 | 25 | 175 | 120 |
| 75-0600-10-1010013000 | 600 | PN10 | 154 | 510 | 426 | 50 | 25 | 175 | 180 |
| 75-0600-10-1010023000 | 600 | PN10 | 154 | 510 | 426 | 50 | 25 | 175 | 180 |
Enquiry
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Test/Approvals
- Hydraulic test according to EN 13774 / EN 12266., Hydraulic test according to EN 13774 / EN 12266.
- Approved according to DIN-DVGW Certificate NG-4313BN0603
- Approved according to SVGW Certificate No. 06-080-5
Standards
- Designed according to EN 593
- Standard flange drilling to EN1092 (ISO 7005-2), PN 16
