AVK KNIFE GATE VALVE, PN10
Double acting pneumatic actuator, replaceable top packing gland, DN50-600
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Knife gate valve with pneumatic double-acting actuator for wastewater treatment 0°C to +80°C
AVK lug/wafer knife gate valves are bi-directional with full and plane bore. The protected sealings and high quality materials bring about a great performance and a long service life. AVK knife gate valves are available with lever, non-rising stem and handwheel, rising stem and handwheel, pneumatic actuator, ISO top flange for actuator or complete with electric actuator.
| Variant 702/40-103 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN50 - DN600 |
| PN: | PN10 |
Features
- Replaceable top packing gland enables sealing replacement without disassembly of the valve
- The valve is self cleaning as particles will be pushed off the gate when opening the valve. For extra protection of the packing gland a scraper is available as an optional extra.
- Bi-directional, can be installed independent of the flow direction
- Full bore with no reduction of the flow
- Plane bottom prevents sediment from being accumulated
- No cavity in the body and thus no risk of clogging
- U-shaped one-piece NBR sealing between the body parts makes up for tolerances in coating and casting. It is reinforced with a steel insert to protect it from being damaged during operation.
- Encaged stem with yokes prepared for mounting of micro switches and inductive censors
- Stem and gate connection is secured with self-locking nuts
- Supports integrated in the body casting protect the gate from deflecting under pressure
- Body of ductile iron with 100-150 μm UV resistant polyester coating, RAL 5017. Optionally of acid-resistant stainless steel or duplex
-
Yokes of carbon steel with coating 100-150 μm of plascoat PPA 571 Aqua
- Gate, stem, bolts and nuts of acid-resistant stainless steel
- Washers under the bolts protect the coating
- Slim design and low weight
- Approved according to the 97/23/CE European Pressure Equipment Directive
- Approved according to the 94/9/94EC, ATEX Directive
- Available in larger dimensions
- Optionally in higher PN class
Downloads
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
Flange drilling |
L mm |
H mm |
H1 mm |
H3 mm |
W mm |
D mm |
Test pressure bar |
Working Pressure bar |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 702-0050-10-0000123 | 50 | PN10 | 43 | 398 | 147 | 506 | 131 | 106x130 | 15 | 10 | 14 |
| 702-0065-10-0000123 | 65 | PN10 | 46 | 436 | 160 | 557 | 143 | 106x130 | 15 | 10 | 16 |
| 702-0080-10-0000121 | 80 | PN10 | 46 | 486 | 177 | 613 | 184 | 140 | 15 | 10 | 22 |
| 702-0100-10-0000130 | 100 | PN10 | 52 | 541 | 197 | 683 | 202 | 140 | 15 | 10 | 25 |
| 702-0125-10-0000134 | 125 | PN10 | 56 | 612 | 232 | 788 | 230 | 160 | 15 | 10 | 28 |
| 702-0150-10-0000135 | 150 | PN10 | 56 | 732 | 267 | 942 | 270 | 180 | 15 | 10 | 41 |
| 702-0200-10-0000019 | 200 | PN10 | 60 | 892 | 327 | 1147 | 331 | 210 | 15 | 10 | 64 |
| 702-0250-10-0000019 | 250 | PN10 | 68 | 1046 | 375 | 1348 | 397 | 210 | 15 | 10 | 86 |
| 702-0300-10-0000018 | 300 | PN10 | 78 | 1217 | 428 | 1571 | 452 | 210 | 15 | 10 | 115 |
| 702-0350-10-0000019 | 350 | PN10 | 78 | 1381 | 499 | 1789 | 518 | 290 | 9 | 6 | 155 |
| 702-0400-10-0000012 | 400 | PN10 | 90 | 1539 | 549 | 1997 | 576 | 290 | 9 | 6 | 194 |
| 702-0450-10-0000017 | 450 | PN10 | 90 | 1711 | 594 | 2220 | 560 | 360 | 6 | 4 | 313 |
| 702-0500-10-0000011 | 500 | PN10 | 95 | 1875 | 656 | 2473 | 698 | 360 | 6 | 4 | 325 |
| 702-0600-10-0000011 | 600 | PN10 | 105 | 2164 | 756 | 2857 | 817 | 350 | 6 | 4 | 430 |
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Components
| 1. | Plate | Carbon steel |
| 2. | Stem | Stainless steel 316 |
| 3. | Bolt | Stainless steel A4 |
| 4. | Top packing gland | Ductile iron GJS-400-15 (GGG-40) |
| 5. | Bolt | Stainless steel A4 |
| 6. | Packing | NBR + PTFE |
| 7. | Body | Ductile iron GJS-400-15 (GGG-40) |
| 8. | Gate | Stainless steel 316 |
| 9. | U-shaped seal | Steel / NBR |
| 10. | Bolt | Stainless steel A4 |
| 11. | Nut | Stainless steel A4 |
| 12. | Pneumatic actuator | Aluminium |
| 13. | Rod | Carbon steel |
Standards
- Face-to-face dimension according EN 558 - Series 20
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN10/16
