AVK CENTRIC WAFER BUTTERFLY VALVE, PN10/16
Loose EPDM liner for high temperature, with gearbox, DN25-900
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Centric butterfly valve with loose liner and gearbox - Wafer for wastewater treatment and HVAC to max. 130° C
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 820/00-008 | |
|---|---|
| Material: | Ductile iron/ 1.4408 disc |
| DN: | DN25 - DN900 |
| PN: | PN16 |
| Closing direction: | Clockwise to Close |
Features
- Ductile iron with long neck for insulation
- Loose liner of EPDM for high temperatures 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 97/23/EC appendix 1
Downloads
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
Product PN Class |
L mm |
L2 mm |
H2 mm |
W2 mm |
W3 mm |
W mm |
W1 mm |
Theoretical weight/kg |
Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 820-0025-00-02020160003 | 25 | PN16 | 30 | 101 | 51 | 110 | 187 | 172 | 141 | 2.2 | |
| 820-0032-00-02020160003 | 32 | PN16 | 30 | 101 | 51 | 110 | 187 | 172 | 141 | 2.2 | |
| 820-0040-00-02020160003 | 40 | PN16 | 33 | 108 | 54 | 130 | 207 | 175 | 141 | 2.8 | |
| 820-0050-00-02020160003 | 50 | PN16 | 43 | 120 | 72 | 135 | 212 | 181 | 141 | 3.8 | |
| 820-0065-00-02020160003 | 65 | PN16 | 46 | 138 | 82 | 150 | 227 | 190 | 141 | 3.6 | |
| 820-0080-00-02020160003 | 80 | PN16 | 46 | 142 | 92 | 160 | 237 | 192 | 141 | 4.8 | |
| 820-0100-00-02020160003 | 100 | PN16 | 52 | 162 | 102 | 180 | 257 | 202 | 141 | 5.5 | |
| 820-0125-00-02020160003 | 125 | PN16 | 56 | 189 | 120 | 195 | 272 | 216 | 141 | 8.3 | |
| 820-0150-00-02020160003 | 150 | PN16 | 56 | 214 | 133 | 210 | 317 | 287 | 171 | 9.5 | |
| 820-0350-00-02020130003 | 350 | PN10 | 80 | 425 | 257 | 330 | 570 | 589 | 363 | 47 | |
| 820-0400-00-02020130003 | 400 | PN10 | 102 | 475 | 292 | 365 | 705 | 634 | 463 | 63 | |
| 820-0450-00-02060031004 | 450 | PN10 | 113 | 538 | 355 | 397 | 795 | 615 | 565 | 117 | 250 my PUR coating on body |
| 820-0500-00-02060031004 | 500 | PN10 | 126 | 595 | 393 | 437 | 792 | 685 | 573 | 157 | 250 my PUR coating on body |
| 820-0600-00-02060031004 | 600 | PN10 | 153 | 695 | 464 | 522 | 827 | 795 | 604 | 212 | 250 my PUR coating on body |
| 820-0700-00-02060031004 | 700 | PN10 | 168 | 800 | 503 | 565 | 920 | 847 | 654 | 325 | 250 my PUR coating on body |
| 820-0800-00-02060031004 | 800 | PN10 | 190 | 908 | 577 | 627 | 936 | 954 | 683 | 457 | 250 my PUR coating on body |
| 820-0900-00-02060031004 | 900 | PN10 | 204 | 1015 | 643 | 696 | 1005 | 1008 | 683 | 572 | 250 my PUR coating on body |
2D/3D drawings
Enquiry
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Components
| 1. | Bolt | Stainless steel A2 |
| 2. | Washer | Stainless steel A2 |
| 3. | O-ring | NBR rubber |
| 4. | Shaft | Stainless steel 420 |
| 5. | Body | Ductile iron GJS-400-15 (GGG-40) |
| 6. | Liner | EPDM, high temp. |
| 7. | Disc | Stainless steel 316 |
Test/Approvals
- Hydraulic test according to EN 12266-1, P10/P12
- Approved for wastewater / pressure test EN12266-1
Standards
- Designed according to EN 593
- Face-to-face dimension according EN 558 - Series 20
- End connection to EN1092-2 PN6/10/16, AS2129 TabD/E,ASME B16.1 CL150