Air Vent Valve/Air Vent Valve with Vacuum Breaker
VB-20
* JWWA approved
* Backflow prevention in water supply / hot water supply system
* Certified as an Environmentally-friendly valve by Japan Valve Manufacturers Association
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 | 1.0 MPa | |
| Working temperature | 5 - 90 degree(C) | |
| Air intake amount | 17 m3 / h or more at -1.5 kPa | |
| Material | Body | Bronze |
Remarks
About flow rate
Selection data：
Dimensional drawing
