Chemical Vacuum Experiments on Gasses and Liquids

Did you know that gasses and liquids and even solids behave differently at different absolute pressures? For Example, water will start to boil at a lower and lower temperature as the pressure is decreased. Water can boil at room temperature if the pressure is decreased to 20 Torr of absolute pressure. Other phenomenon which can happen is that materials can fuse together or weld in high vacuum.

Our client is in academia performing research on Gas Phase and Liquid Phase Experiments. They required a large vacuum chamber that has a spring supported lid. The also asked us to provide them with an electrical NEMA-15 outlet so that they can power up some of their electrical devices inside of the vacuum chamber without compromising the vacuum.

In addition to the above, they requested a 25 Multipin Vacuum Feedthrough. This feedthrough along with the electrical outlet are placed on the rear wall. Finally, they requested 6 x 1/2 inch NPT liquid or gas vacuum feedthroughs that are placed on the remaining 4 exposed walls of the chamber. We plugged these feedthrough ports so that our client is able to remove the plug and hook up their liquid or gas line onto the port and run it into the vacuum chamber. The port is threaded from both inside and outside.

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Internal Pressurization ASTM F2096 Leak Testing Systems
Internal Pressurization (ASTM F2096) Leak Testing Systems are instruments that are used during the Quality Control process to discover leaks in sealed packages. As opposed to the vacuum bubble leak test, where the specimen is subjected to a vacuum, the internal pressurization integrity test creates a pressure difference and drives the air through a leak by internally pressurizing the specimen. Our Internal Pressurization Leak Testing Systems are designed and built to conform to the ASTM F2096 Protocol Standard.
Power Vacuum Feedthroughs
Power vacuum feedthroughs are hermetically sealed off the shelf components used to transfer electrical power from the outside of the vacuum chamber into the inside of the vacuum chamber without compromising the vacuum. One example application would be powering an electronic device inside the vacuum chamber
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