AVK CENTRIC U-SECTION BUTTERFLY VALVE, PN6
Loose EPDM liner for high temperature, with electric actuator, DN150-1600
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Centric butterfly valve with loose liner and electric actuator - U-section 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 820/20-020 | |
---|---|
Material: | Ductile iron/ 1.4408 disc |
DN: | DN150 - DN1600 |
PN: | PN 6 |
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
- Mounted with an electric actuator 3 x 400V/50 Hz. ON / OFF, 20 to 30 manoeuvres per day on an average. Motor duty cycle S4-30% - 360 starts/h max. Adjustable mechanical end stops +/- 2°. Two travel limit switches for open (one) & close (one) plus two extra limit switches.Two torque switches in opening (one) & closing (one) (except OA, has no torque switch). Temperature range: Standard -20°C to +70°C. Standard protection - OA, AS, BS: IP 67 standard paint - OA, AS, BS: Epoxy 80 microns RAL 5002. Standard heater resistance (230 V). Standard cable entries - without control: 2 x M20 / with integrated controls: 3 x M20 (cable glands supply on request).
Downloads
Reference nos. and dimensions:
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AVK ref. no. | DN mm |
Product PN Class |
Flange drilling |
L mm |
L2 mm |
H2 mm |
W2 mm |
W3 mm |
W mm |
W1 mm |
Theoretical weight/kg |
Notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
820-0150-20-02020120008 | 150 | PN 6 | PN10/16 | 56 | 285 | 133 | 210 | 435 | 346 | 200 | 23 | |
820-0200-20-02020020008 | 200 | PN 6 | PN10 | 60 | 340 | 163 | 240 | 465 | 416 | 200 | 27 | |
820-0250-20-02020020008 | 250 | PN 6 | PN10 | 68 | 406 | 196 | 279 | 459 | 515 | 313 | 47 | |
820-0300-20-02020020008 | 300 | PN 6 | PN10 | 78 | 482 | 232 | 315 | 495 | 601 | 313 | 58 | |
820-0350-20-02020020008 | 350 | PN 6 | PN10 | 80 | 533 | 257 | 330 | 541 | 627 | 313 | 70 | |
820-0400-20-02020020008 | 400 | PN 6 | PN10 | 102 | 597 | 292 | 365 | 649 | 775 | 462 | 121 | |
820-0450-20-02060021008 | 450 | PN 6 | PN10 | 113 | 640 | 355 | 397 | 681 | 796 | 462 | 159 | 250 my PUR coating on body |
820-0500-20-02060021008 | 500 | PN 6 | PN10 | 126 | 715 | 393 | 437 | 716 | 862 | 611 | 225 | 250 my PUR coating on body |
820-0600-20-02060021008 | 600 | PN 6 | PN10 | 153 | 840 | 464 | 522 | 811 | 979 | 552 | 280 | 250 my PUR coating on body |
820-0700-20-02060021008 | 700 | PN 6 | PN10 | 168 | 927 | 503 | 565 | 868 | 1022 | 532 | 371 | 250 my PUR coating on body |
820-0800-20-02060021008 | 800 | PN 6 | PN10 | 190 | 1060 | 577 | 627 | 930 | 1088 | 532 | 601 | 250 my PUR coating on body |
820-0900-20-02060021008 | 900 | PN 6 | PN10 | 204 | 1170 | 643 | 696 | 1010 | 1179 | 604 | 760 | 250 my PUR coating on body |
820-1000-20-02060021008 | 1000 | PN 6 | PN10 | 216 | 1255 | 693 | 745 | 1059 | 1222 | 604 | 890 | 250 my PUR coating on body |
820-1100-20-02060021008 | 1100 | PN 6 | PN10 | 218 | 1395 | 738 | 820 | 1157 | 1398 | 611 | 950 | 250 my PUR coating on body |
820-1200-20-02060021008 | 1200 | PN 6 | PN10 | 254 | 1485 | 806 | 881 | 1218 | 1443 | 611 | 1280 | 250 my PUR coating on body |
820-1400-20-02060021008 | 1400 | PN 6 | PN10 | 280 | 1746 | 908 | 990 | 1354 | 1712 | 707 | 1850 | 250 my PUR coating on body |
820-1600-20-02060021008 | 1600 | PN 6 | PN10 | 318 | 1924 | 1048 | 1117 | 1481 | 1801 | 707 | 2750 | 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
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN10