Venn Co.
Venn DHA-1 type positive pressure relaxer for drainage

Manufacturer: Venn Co., Ltd.
Model: DHA-1
Features
- It relieves positive pressure generated in building drainage pipes.
- In addition, up to four units can connect and installed together.
- As a result, it can handle a wide range of positive pressure issues in the building.
- Moreover, when combined with a vent valve, it helps resolve problems caused by both positive and negative pressures.
- Furthermore, it can install horizontally, which allows installation under the floor.
- Finally, it requires no maintenance.
Specifications
| Product code | DHA1-P |
|---|---|
| Valve type | Positive pressure relaxer for drainage |
| End connection | Plug-in adhesive |
| Applicable pipe | Hard vinyl chloride pipe (VP pipe / VU pipe) |
| Applicable pipe diameter | 75 |
| Mounting posture | Upright or horizontal |











