AVK NOZZLE CHECK VALVE, MULTI STEM, PN10/16
SS 420 stem, SS 304 spring, alu-bronze bushings, A2 fasteners, FBE coating, EPDM rubber
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Fast reacting nozzle check valve with spring return, for drinking water and other neutral liquids to 80°C
The AVK spring loaded nozzle check valve is a reliable, fast reacting blocker of reverse flow in water pipes. In case of pump stop the spring loaded valve cone will make sure the water flow is shut off swiftly and quietly before it can change direction and cause water hammer. All metal parts are made of either stainless steel or epoxy coated ductile iron.
| Variant 876/01-001 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN400 - DN600 |
| PN: | PN10/16 |
Features
- A spring loaded valve cone makes sure the valve closes before reverse flow can occur
- The optimized flow path keeps head loss down to a minimum
- Stem, spring and fasteners in stainless steel
- All iron parts coated with 250µm fushion bonded epoxy (FBE)
- Centring stem runs in high strength alu-bronze bushings
- Approved for drinking water according to Decreto Ministeriale nr. 174 - Ministero della Salute
Downloads
Datasheet
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
Flange drilling |
D mm |
D1 mm |
D2 mm |
D3 mm |
Bolt No. |
L mm |
L1 mm |
Theoretical weight/kg |
|---|---|---|---|---|---|---|---|---|---|---|
| 876-0400-01-01102012 | 400 | PN10 | 565 | 515 | 480 | 28 | 16 | 310 | - | 160 |
| 876-0400-01-11102012 | 400 | PN16 | 580 | 525 | 480 | 31 | 16 | 310 | - | 165 |
| 876-0450-01-01102012 | 450 | PN10 | 615 | 565 | 560 | 28 | 20 | 330 | 7 | 180 |
| 876-0450-01-11102012 | 450 | PN16 | 640 | 585 | 548 | 31 | 20 | 330 | 7 | 190 |
| 876-0500-01-01102012 | 500 | PN10 | 670 | 620 | 582 | 28 | 20 | 350 | 5 | 260 |
| 876-0500-01-11102012 | 500 | PN16 | 715 | 650 | 609 | 34 | 20 | 350 | 5 | 275 |
| 876-0600-01-01102012 | 600 | PN10 | 780 | 725 | 682 | 31 | 20 | 390 | 15 | 420 |
| 876-0600-01-11102012 | 600 | PN16 | 840 | 770 | 720 | 37 | 20 | 390 | 15 | 480 |
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Components
| 1. | Body | Ductile iron GJS-500-7 |
| 2. | Disc | Ductile iron, EPDM encapsulated |
| 3. | Spring | Stainless steel 304 |
| 4. | Stem | Stainless steel 420 |
| 5. | Ring | Polyamide |
| 6. | Nut | Stainless steel A2 |
| 7. | Bushing | Alu-bronze C61900 |
| 8. | Plug | Ductile iron GJS-500-7 |
| 9. | Diffuser sleeve | Ductile iron GJS-500-7 |
| 10. | Set screw | Stainless steel A2 |
Test/Approvals
- Tested according to EN12266-1.
- WRAS approved materials
Standards
- Designed according to EN 1074 - 3, Designed according to EN 12266
- Face-to-face dimension according to EN 558 Table 2 Basic Series 14
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN10/16
