- JWWA approved
- Air ventilation and vacuum breakage
Japan, Yoshitake
YOSHITAKE TAV-4 Air Vent Valve with Vacuum Breaker

Made in Japan
Manufacturer: Yoshitake
Model: TAV-4
Specifications
| Features | Air vent with vacuum breaker | |
|---|---|---|
| Specifications | Product type | Air vent with vacuum breaker |
| Nominal size | 20A (3/4″) – 25A (1″) | |
| Application | City water | |
| End connection | Inlet: JIS R screwed (20A or 25A), outlet: JIS Rc screwed (25A) | |
| Max. pressure | 1 MPa | |
| Working temperature | 0 – 40 degree(C) (no freezing) | |
| Air intake amount | 20A: 15.1L/sec, 25A: 23.4L/sec | |
| Material | Body | Bronze |
| Float | Synthetic resin | |
| Exhaust packing | Synthetic rubber | |
Dimensions and weights
| Size | H (mm) | A(mm) |
|---|---|---|
| 20A(3/4) | 151 | Dia. 76mm |
| 25A(1) | 153 | Dia. 76mm |
Dimensional drawing












