AVK CENTRIC LUG BUTTERFLY VALVE, PN 10/16
Loose EPDM liner for drinking water, with bare shaft
Centric butterfly valve loose liner for drinking water and neutral liquids to max. 70° C
Description
Key Features
- Ductile iron with long neck for insulation
- Loose liner of drinking water approved EPDM with integrated gasket faces and “saw profile” for optimum grip in body
- Square driven anti-blowout shaft in one-piece design up to DN 400, and from DN 450 with key and keyway in two-piece stub design with two self-lubricating bearings
- Slim disc of acid-resistant stainless steel with machined and polished edges reducing the friction between liner and disc
- Low operating torques allowing use of cost-effective actuators
- 200 μ epoxy coating up to DN 400, 250 μ polyurethane from DN 450, optionally other coatings
- According to PED 2014/68/EC appendix 1
- Other flange drillings on request
Information
AVK centric butterfly valves with loose liner are available in wafer, lug and U-section design with a wide standard range of actuators. The butterfly valves are designed with square driven anti-blowout shaft and slim disc of acid-resistant stainless steel with machined and polished disc edges resulting in low torques.
| Variant 820/10-029 | |
|---|---|
| DN: | DN50 |
| PN: | PN 16 |
| Closing direction: | Clockwise to Close |
| 1. | Bolt | Stainless steel A2 |
| 2. | Washer | Stainless steel A2 |
| 3. | O-ring | NBR |
| 4. | Shaft | Stainless steel 420 |
| 5. | Body | Ductile iron GJS-400-15 |
| 6. | Liner | EPDM |
| 7. | Disc | Stainless steel 316 |
Test/Approvals
- Hydraulic test according to EN 12266-1, P10/P12, Hydraulic test according to EN 12266-1, P10/P12
- Approved according to SVGW Certificate No. 9901-4048
- Approved for wastewater/pressure test EN12266-1
Standards
- Designed according to EN 593
- Face to face according to DIN/EN 558-1, series 20 (K1)
- Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
- WIMES 8.09 Compliant
- Drinking Water Inspectorate Regulation 31 compliant
Additional information
| Reference No. | 820-0050-10-541L0160002 |
|---|---|
| DN (mm) | 50 |
| PN | PN16 |
Reference Nos. and Dimensions
| Reference Number | DN
mm |
Product PN Class | Flange
Drilling |
L
mm |
L2
mm |
H2
mm |
W2
mm |
W3
mm |
W
mm |
W1
mm |
Theoretical
Weight kg |
| 820-0050-10-541L0160002 | 50 | PN16 | PN16 | 43 | 116 | 72 | 135 | 147 | 65 | 50 | 2.4 |
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