HEAVY DUTY KNIFE GATE VALVE, LUGGED, BI DIRECTIONAL
Cast CF8M Body, SS-316 Blade, PTFE Packing, NBR Seat, D.A. Pneumatic Actuator, PN10
Contact
AVK Australia Civil
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Pneumatically operated bi-directional knife gate valve for general industrial service applications like Pulp and Paper, Waste Water Treatment Plants, Food and Beverage, Power plants, Mining, and Chemical plants, etc. Size range: DN50-900 (larger sizes upon request). Work pressure: 7 - 10 bar.
The AVK series 779/22 is a bi-directional, 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 779/22-004 | |
|---|---|
| Material: | Stainless Steel |
| DN: | DN50 - DN600 |
| PN: | PN10 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 779-0050-22-0000009 | 50 | PN10 | 48 | 125 | 105 | 105 | 129 | 178 | 115 | 412 | 11 |
| 779-0080-22-0000011 | 80 | PN10 | 51 | 154 | 105 | 119 | 162 | 211 | 115 | 492 | 14 |
| 779-0100-22-0000023 | 100 | PN10 | 51 | 175 | 105 | 142 | 187 | 231 | 115 | 560 | 17 |
| 779-0125-22-0000009 | 125 | PN10 | 57 | 180 | 105 | 165 | 211 | 271 | 140 | 647 | 24 |
| 779-0150-22-0000017 | 150 | PN10 | 57 | 215 | 105 | 190 | 237 | 296 | 140 | 723 | 30 |
| 779-0200-22-0000017 | 200 | PN10 | 70 | 260 | 122 | 240 | 309 | 358 | 175 | 907 | 51 |
| 779-0250-22-0000018 | 250 | PN10 | 70 | 338 | 122 | 290 | 345 | 430 | 220 | 1065 | 77 |
| 779-0300-22-0000026 | 300 | PN10 | 76 | 366 | 122 | 360 | 393 | 480 | 220 | 1233 | 98 |
| 779-0350-22-0000015 | 350 | PN10 | 76 | 400 | 197 | 320 | 459 | 549 | 277 | 1328 | 149 |
| 779-0400-22-0000011 | 400 | PN10 | 89 | 458 | 197 | 320 | 459 | 549 | 277 | 1433 | 179 |
| 779-0450-22-0000011 | 450 | PN10 | 89 | 489 | 270 | 415 | 549 | 680 | 382 | 1644 | 234 |
| 779-0500-22-0000010 | 500 | PN10 | 114 | 552 | 270 | 460 | 615 | 680 | 382 | 1755 | 319 |
| 779-0600-22-0000015 | 600 | PN10 | 114 | 637 | 270 | 511 | 687 | 830 | 382 | 2028 | 413 |
Components
| 1. | Body | Stainless steel CF8M |
| 2. | Gate | Stainless steel 316 |
| 3. | Seat | NBR rubber |
| 4. | Seat ring | Stainless steel CF8M |
| 5. | Packing | PTFE |
| 6. | Gland follower | Stainless steel CF8M |
| 7. | Yoke | Stainless steel 316 |
| 8. | Stem | Stainless steel |
| 9. | Cylinder | Aluminium |
| 10. | Guard | Stainless steel 316 |
Test/Approvals
- Seat: 1.1 x PN. Body: 1.5 x PN.
Standards
- Flange drilling to AS 2129 Table D
