HEAVY DUTY KNIFE GATE VALVE, LUGGED, BI DIRECTIONAL
Cast CF8M Body, SS-316 Blade, PTFE Packing, NBR Seat, Rising Stem, Handwheel, CC, PN10
Contact
AVK Australia Civil
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Manually operated bi-directional lugged knife gate valve for applications with abrasive slurries, Pulp & Paper, Power Plants, Mining, Chemical Plants, Wastewater Treatment, Food & Beverage, etc. Size range: DN50-600 (larger sizes upon request). Work pressure: 10 bar.
The AVK series 779/22 is a bidirectional, lugged, heavy duty knife gate valve, designed for general industrial service applications, such as Pulp & Paper, Mining, Chemical Plants, Wastewater Treatment, etc. The gate body and seat assure non-clogging shut off on suspended solids.
| Variant 779/22-003 | |
|---|---|
| Material: | Stainless Steel |
| DN: | DN50 - DN600 |
| PN: | PN10 |
| Closing direction: | Clockwise Close |
Features
- Lug type one piece cast stainless steel body, larger sizes with reinforcing ribs providing the body with extra strength
- Stainless Steel 316 stem
- Port design as per MSS SP-81
- Stainless Steel 316 gate polished both sides to avoid jamming and seat damage
- Long life PTFE impregnated synthetic fibre plus EPDM o-ring packing with easy access and adjustable gland follower. Wide range of packing materials available
- RAL-5015 blue epoxy-coating on all cast iron/carbon steel components
Downloads
Reference nos. and dimensions:
| AVK ref. no. | DN mm |
Product PN Class |
A mm |
B mm |
C mm |
D mm |
E mm |
F mm |
G mm |
H mm |
Theoretical weight / kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 779-0050-22-0000010 | 50 | PN10 | 48 | 125 | 105 | 105 | 129 | 47 | 225 | 430 | 9 |
| 779-0080-22-0000012 | 80 | PN10 | 51 | 154 | 105 | 119 | 162 | 47 | 225 | 475 | 11 |
| 779-0100-22-0000024 | 100 | PN10 | 51 | 175 | 105 | 142 | 187 | 47 | 225 | 525 | 14 |
| 779-0125-22-0000010 | 125 | PN10 | 57 | 180 | 105 | 165 | 211 | 47 | 225 | 620 | 18 |
| 779-0150-22-0000018 | 150 | PN10 | 57 | 215 | 105 | 190 | 237 | 47 | 225 | 670 | 22 |
| 779-0200-22-0000018 | 200 | PN10 | 70 | 260 | 122 | 240 | 309 | 67 | 310 | 1029 | 36 |
| 779-0250-22-0000019 | 250 | PN10 | 70 | 338 | 122 | 290 | 344 | 67 | 310 | 1113 | 52 |
| 779-0300-22-0000027 | 300 | PN10 | 76 | 366 | 122 | 360 | 392 | 66 | 410 | 1235 | 72 |
| 779-0350-22-0000016 | 350 | PN10 | 76 | 366 | 122 | 360 | 392 | 66 | 410 | 1290 | 105 |
| 779-0400-22-0000012 | 400 | PN10 | 89 | 458 | 197 | 368 | 503 | 66 | 410 | 1395 | 135 |
| 779-0450-22-0000012 | 450 | PN10 | 89 | 489 | 197 | 415 | 537 | 67 | 550 | 1580 | 234 |
| 779-0500-22-0000011 | 500 | PN10 | 114 | 552 | 197 | 460 | 605 | 67 | 550 | 1690 | 223 |
| 779-0600-22-0000016 | 600 | PN10 | 114 | 637 | 197 | 511 | 663 | 67 | 550 | 1915 | 319 |
Components
| 1. | Body | Stainless steel CF8M |
| 2. | Gate | Stainless steel 316 |
| 3. | Sleeve | NBR rubber |
| 4. | Seat ring | Stainless steel CF8M |
| 5. | Packing | PTFE |
| 6. | Gland follower | Stainless steel CF8M |
| 7. | Stem | Stainless steel |
| 8. | Stem nut | Brass |
| 9. | Yoke | Stainless steel 316 |
| 10. | Thrust washer | Brass |
| 11. | Handwheel | Ductile iron GJS-400-15 (GGG-40) |
| 12. | Nut | Steel, zinc plated |
| 13. | Protection cover | Carbon steel, epoxy coated |
| 14. | Cap | Plastic |
Test/Approvals
- Seat: 1.1 x PN. Body: 1.5 x PN.
Standards
- Flange drilling to AS/NZS 4087 B5
