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Air Admittance Valve for DN32/40/50
Air Admittance Valve for DN32/40/50
Air admittance valve for smaller soil and waste connections, accommodating DN32, DN40 and DN50 configurations. The valve includes an adapter and removable insect screen to facilitate fitting and maintenance.
Technical specifications
| HL article | HL903 |
|---|---|
| Application | Air admission for soil and waste drainage systems |
| Installation | Surface mounted |
| Material | ABS and polypropylene (PP) |
| Connection | DN32 / DN40 / DN50 |
| Air admission capacity | 8 l/s |
| Product weight | 139 g |
| Standard / reference | EN 12380-A1 |
| Features | Multi-size connection; removable insect protection; connection adapter |
| Manufacturer | HL Hutterer & Lechner, Austria |
Models and official HL technical drawings
| Article code | Connection | HL specification and drawing |
|---|---|---|
| HL903 | DN32 / DN40 / DN50 | Official HL product page | Technical drawing (PDF) |
Refer to the linked HL product pages for model-specific dimensions, rated flow capacities, and PDF technical drawings.
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