- JWWA approved
- Backflow prevention in water supply / hot water supply system
- Certified as an Environmentally-friendly valve by Japan Valve Manufacturers Association
Japan, Yoshitake
YOSHITAKE VB-20 Vacuum Breaker

Made in Japan
Manufacturer: Yoshitake
Model: VB-20
Specifications
| Features | JWWA approved | |
|---|---|---|
| Specifications | Product type | Vacuum breaker |
| Nominal size | 20A (3/4″) | |
| Application | Water | |
| End connection | Inlet: JIS Rc 3/4, outlet: JIS Rc 1 | |
| Max. pressure | 1 MPa | |
| Working temperature | 5 – 90 degree(C) | |
| Air intake amount | 17 m3 / h or more at -1.5 kPa | |
| Material | Body | Bronze |
Dimensional drawing












