Measures how much air (vapor) can leak past the valve when there’s a very low amount of pressure

2. Positive Cracking Pressure at 120 ml/min

Measures the amount of pressure it takes to cause the valve to “open” up. After the valve “cracks” it won’t hold quite as much pressure.

Vacuum Test

3. Negative Leak Rate Test at -4.0” w.c.

Measures how much air (vapor) can leak past the valve when there’s a very low amount of vacuum.

 4. Negative cracking pressure at 200 ml/min

Measures the amount of vacuum it takes to cause the valve to “open” up when the vacuum is building up. After the valve “cracks” it won’t hold as much vacuum.

For more information or to order, please contact us at 262-536-4081.