These valves are compact air admittance valves with a small flange. The VB valve is manually operated. On rotating the knurled screw cap, the valve disc is lifted off the seating, and air enters through the holes. The valve disc is rotatable. Therefore the valve seat seal is prevented against wear during opening and closing. Leakage rate is 1x10-6 mbar l/sec.
| VACUUBRAND, Inc. | |
|---|---|
| Product Category | Vacuum Valves |
| Product Number | VB 10 |
| Product Name | Manual Air Admittance Valve |
| Type | Air Admittance Valve |
| Port OD | 0.3937 inch (10 mm) |
| ISO Port Flange Size | NW 10 |
| Leak Rate | 1.00E-6 std cc / sec |
| Vacuum / Pressure Range | Low or roughing vacuum level (> 1 torr); Low / Medium (HV < 1 torr, >10-3 torr) |
