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venting_pumping_object_box [2023/05/30 14:32] swartzj |
venting_pumping_object_box [2023/06/01 13:42] swartzj |
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* Before you start, make sure that the gate valves named D2341 BGV and D2303 BGV are closed and that the IG is off. | * Before you start, make sure that the gate valves named D2341 BGV and D2303 BGV are closed and that the IG is off. | ||
* The vent valve should also be closed when you begin. | * The vent valve should also be closed when you begin. | ||
- | * Both valves | + | * The valve to the turbo pump TVG should |
The procedure is then as follows: | The procedure is then as follows: | ||
- Close the valve to the roughing pump RV. | - Close the valve to the roughing pump RV. | ||
- Now you can plot the pressure at BPG to monitor the pressure before you open the vent valve. | - Now you can plot the pressure at BPG to monitor the pressure before you open the vent valve. | ||
- | - **Keep a constant eye on the pressure level** as it increases rapidly. | + | - **Keep a constant eye on the pressure level** as it increases rapidly. |
- You can now enter and open the chamber. | - You can now enter and open the chamber. | ||