AVK SURFACE BOX, HEIGHT ADJUSTABLE, L
For underground air valves, H-4055V MD-GG, heavy duty, oval top

Contact
AVK International A/S
Bizonvej 1, Skovby, 8464 Galten, Denmark
Height adjustable surface box with cast iron lid, for underground air valves, design derived from DIN 4055, standard lid inscription: AVK AIR VALVE
AVK offers a wide range of fixed and height adjustable surface boxes in various dimensions, which can be used in many fields of application. Apart from economic benefits, AVK synthetic surface boxes are lightweight, user-friendly, easy to open, noiseless and maintenance free. Most of AVK surface boxes are designed and approved according to DIN/EN standards, but can also be designed according to local standards or customer specifications. The carbon footprint (CO2 emission) of synthetic surface boxes, measured from resource to end of life, is significantly lower compared to surface boxes made of traditional materials, making AVK surface boxes ecologically sound.
Variant 80/30-101 | |
---|---|
Material: | PA+ body |
Features
- Lightweight, user-friendly, silent and maintenance free
- 100% recyclable and significantly less use of resources compared to traditional materials
- Manufactured out of high grade recycled materials
- Ribs in housing ensure optimal fixation in road foundation
- Selected materials for housing and lid ensure easy opening at all times
- Heat resistant to max. 250 °C
- Suitable for low-temperature applications
- Large height range and flexible positioning of top part
- No height adjustment needed after installation, saving time and costs
- Floating top part following road settlement ensuring perfect alignment at all times
- O-ring only to be used for determening final position of top part
- Locking clip around the bolt ensuring lid will stay in its place
- Large clear opening to grant access to air valve below
- Multiple holes in lid allow discharge and admittance of air
- Discharge: max. 340m³/h
- Admittance: max. 160m³/h - D400 load bearing capacity on complete surface*
Design:
- Design derived from DIN 4055
Optional
- Various colours and lid inscriptions possible
- Available as lockable version making the surface box tamperproof
- Use of a Flexdrain around the air valve prevents dirt to block the in-/outlet, ensuring optimal operation
*Results of the load-bearing capacity test on the complete surface, following the internally used load application method, and declaring the load-bearing capacity according to the corresponding class as per EN 124-1:2015, clause 7.2, table 4
Downloads
Reference nos. and dimensions:
AVK ref. no. | Do1 mm |
Dl mm |
Dc1 mm |
Di1 mm |
Di2 mm |
Df mm |
H3 mm |
X mm |
Weight Box / kg |
Weight Lid / kg |
Theoretical weight / kg |
Notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
80-30-1010000 | 371/266 | 345/240 | 271/201 | 336/229 | 362/258 | 428/323 | 400-535 | 80-215 | 6.3 | 6.9 | 13.2 | Holes in the lid for the inlet and outlet of air. Inscription: AVK VENTOUSE |
Components
1. | Lid | Cast iron GJL-200 (GG-20) |
2. | Housing top part | PA+ |
3. | Locking clip | PP |
4. | Bolt, hexagon head | Stainless steel A2-70 |
5. | O-ring | EPDM rubber |
6. | Housing bottom part | PA+ |

