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Vacuum Furnace End-User Q&A Community Latest Articles
What is a screw pump, its application and how does it operate?
Dry screw pumps are increasingly popular as an alternative to oil-sealed rotary vane pumps for many medium and high vacuum applications. Vacuum furnaces end-users and designers must have a good understanding of how claw and screw pumps operate. This includes ...
What are the most important tips for working with oil-sealed rotary vane pumps?
Oil-sealed rotary vane vacuum pumps are used in the vacuum heat treating as holding pumps at the exhaust side of the oil diffusion pump while the larger mechanical pumps are roughing (evacuating from atmospheric pressure) the main vacuum chamber. An ...
What do you need to consider when choosing between different types of vacuum pumps?
When designing or operating a vacuum system, it is critical to consider several factors. Knowing the intended use will allow you to determine the technology, lubrication, chemical resistance, vacuum level, and necessary flow rate. Vacuum pumps are categorized by their ...
What is the working principle of a multi-stage roots vacuum pumps?
Roots vacuum pumps are dry, gas transfer pumps that do not introduce oil or water into the pumped gas stream. The gas transfer is achieved by the mechanical transfer of pumped gas molecules. Generally referred to as booster pumps, they’re ...
How do you match a primary and secondary pump?
This blog describes the factors involved in matching primary pumps to support the continuous operation of secondary pumps and to ensure safe and optimized performance. The consequences arising from a wrong combination or “matching” of primary and secondary pumps can ...