AVK underground fire hydrant, PN16
Free flow, model F7, German type
Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Free flow underground fire hydrant, type F7, German version, for fire water, drinking water and neutral liquids to max. 60° C
AVK series 29 free flow underground fire hydrants are designed without any parts obstructing the medium. The free flow gives a greatly enhanced flow-rate, it makes the hydrants insensitive to hard particles in the water, and offers easy insertion and retrieval of pipe inspection and maintenance equipment. The hydrant is with single shut-off and vertical outlet.
| Variant 29/78-007 | |
|---|---|
| Connection: | Flanged |
| Material: | Ductile Iron |
| DN: | DN80 - DN80 |
| PN: | PN16 |
| Closing direction: | Clockwise to Close |
Features
- Nominal vertical outlet
- Easy insertion of inspection and maintenance equipment
- Large drainage hole for quick flush-proof automatic drainage. Residual volume: 11 ml, time for drainage: 30 sec.
- Low operating torque, MOT max. 105 Nm
- High resistance torque, MST min. 210 Nm
- High flow rate - Kv value: 216 m³/h (EN 14339)
- Outlet pipe of stainless steel, externally epoxy coated (100 μm)
- Externally and internally epoxy coated according to DIN 3476-1 and GSK guidelines
- All internal rubber parts approved for drinking water
Downloads
Datasheet
Certificate(s)
Reference nos. and dimensions:
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| AVK ref. no. | DN mm |
Product PN Class |
Pipe cover mm |
H1 mm |
Theoretical weight / kg |
|---|---|---|---|---|---|
| 29-080-78-1101500096 | 80 | PN16 | 750 | 490 | 34 |
| 29-080-78-2101500096 | 80 | PN16 | 1000 | 740 | 35 |
| 29-080-78-3101500096 | 80 | PN16 | 1250 | 990 | 36 |
| 29-080-78-4101500096 | 80 | PN16 | 1500 | 1240 | 37 |
Enquiry
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Components
| 1. | Outlet cap | Grey iron |
| 2. | Bayonet coupling | Ductile iron GJS-500-7 (GGG-50) |
| 3. | Leaf membrane | EPDM rubber |
| 4. | Orifice plate | Ductile iron GJS-500-7 (GGG-50) |
| 5. | Pipe bracket | Ductile iron GJS-500-7 (GGG-50) |
| 6. | Outlet pipe | Stainless steel 1.4307 |
| 7. | Pipe bracket | Ductile iron GJS-500-7 (GGG-50) |
| 8. | Body | Ductile iron GJS-500-7 (GGG-50) |
| 9. | Stem cap | Ductile iron GJS-500-7 (GGG-50) |
| 10. | Wiper ring | NBR rubber |
| 11. | Exten. cover pipe | PVC |
| 12. | Torque brake nut | Brass, DZR CW625N |
| 13. | Stem washer | PE |
| 14. | Anti friction washer | Brass, DZR CW602N |
| 15. | Worm gear | Stainless steel CA40 |
| 16. | Worm gear nut | Brass, DZR C69300, low lead |
| 17. | Gear housing | Ductile iron GJS-500-7 (GGG-50) |
| 18. | Stem | Stainless steel 1.4021 |
| 19. | Anti friction washer | Brass |
| 20. | Bearing | POM |
| 21. | Cover plate | Ductile iron GJS-500-7 (GGG-50) |
| 22. | Disc | Stainless steel 1.4308 |
| 23. | Gate | Stainless steel 1.4301 |
| 24. | Drain seal | EPDM rubber |
Test/Approvals
- Hydraulic test according to EN 1074-6 / W 386-P
- Approved according to CE Reg. No. 0620-CPR-6122
- Approved according to DVGW Certificate NW-6401CO0125
Standards
- Designed according to EN 1074 - 6:2008, Designed according to EN 14339:2005
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN10/16
