AVK KNIFE GATE VALVE, SHORT WAFER TYPE, PN10
Cast CF8M (SS-316) body, SS-316 blade, PTFE packing, EPDM seal, handwheel/gearbox
Manually operated bi-directional knife gate valve for applications with abrasive slurries, pulp & paper, power plants, wastewater treatment plants, chemical plants, food & beverage, bulk handling, mining, etc. to max. 120°C, 6-10 bar
The AVK series 779/61 is a bi-directional wafer type knife gate valve, equipped with two metal reinforced rubber sleeves, designed for applications with abrasive slurries in industries such as pulp, mining, wastewater treatment, etc. The edge of the knife blade is machined to form a wedge that cuts perfectly through the fluid.Variant 779/61-002 | |
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Connection: | Wafer type valve |
Material: | Stainless steel |
DN: | DN50 - DN500 |
PN: | PN 10 |
Features
- Wafer style cast monoblock in high grade CF8M (SS-316) stainless steel, large sizes with reinforcing ribs providing the body with extra strength
- Stainless steel stem
- Internal body design allows the gate to be fully guided
- Grease nipples allow the gate to be lubricated
- Draining through the lower part, where a cover or a bottom splash guard can be installed
- Rapid flow through the bottom of the valve during operation causes solids to be flushed from the body cavity ensuring the full stroke of the valve
- Knife blade of rectangular shaped AISI 316 stainless steel, polished on both sides and machined to an edge to cut perfectly through the fluid
- Valve seal consists of two highly resistant, long-lasting EPDM sleeves in permanent contact with each other ensuring full bore flow
- Easy replacement of damaged sleeves
- No seat cavities to cause material build-up and no fluid contact with metallic parts
- Bi-directional
Downloads
Datasheet
Reference nos. and dimensions:
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AVK ref. no. | DN mm |
Flange drilling |
PN Class |
A mm |
B mm |
C mm |
D mm |
H mm |
Theoretical weight/kg |
---|---|---|---|---|---|---|---|---|---|
779-0050-61-0000007 | 50 | PN10 | PN10 | 54 | 225 | 63 | - | 445 | 10 |
779-0080-61-0000006 | 80 | PN10 | PN10 | 57 | 225 | 90 | - | 495 | 15 |
779-0100-61-0000008 | 100 | PN10 | PN10 | 57 | 310 | 100 | - | 645 | 18 |
779-0125-61-0000006 | 125 | PN10 | PN10 | 64 | 310 | 122 | - | 700 | 24 |
779-0250-61-0000008 | 250 | PN10 | PN10 | 76 | 300 | 199 | 200 | 1060 | 75 |
779-0300-61-0000008 | 300 | PN10 | PN10 | 82 | 300 | 231 | 200 | 1460 | 84 |
779-0350-61-0000006 | 350 | PN10 | PN10 | 82 | 450 | 257 | 220 | 1530 | 108 |
779-0400-61-0000005 | 400 | PN10 | PN10 | 95 | 450 | 291 | 220 | 1640 | 200 |
779-0450-61-0000006 | 450 | PN10 | PN 6 | 95 | 450 | 317 | 220 | 1750 | 228 |
779-0500-61-0000014 | 500 | PN10 | PN 6 | 121 | 650 | 345 | 288 | 1930 | 286 |
Enquiry
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Components
1. | Body | Stainless steel CF8M |
2. | Gate | Stainless steel AISI 316 |
3. | Seal | EPDM rubber |
4. | Packing | PTFE |
5. | Gland follower | Steel S235JR |
6. | Yoke | Steel S275JR |
7. | Grease nipple | Steel, zinc coated |
8. | Stem | Stainless steel |
9. | Protection cover | Steel S275JR |
10. | Gearbox |
Standards
- Flange drilling to EN1092, PN10