Charlotte Compressor - December 2019



Brings New Efficiency to Worthy Consumers

Kaishan is a leading manufacturer of rotary screw air compressors that we’ve had the pleasure of working with for a long time. Now, Kaishan is introducing a new rotary screw vacuum pump to the U.S. market in their patented KRSV model, which means we’ll be able to supply the need for this equipment in places like medical facilities and large laboratories. These industries are huge consumers of vacuum systems, but they were a branch we couldn’t adequately serve before the KRSV model. Vacuum pumps are a type of positive displacement pump, meaning they create a vacuum by increasing the cavity volume and pumping gas into a portion of that expanded cavity. It’s a cyclical process that moves the gas around consistently, which means it’s a reliable choice for industrial businesses. Rotary screw vacuum pumps are slightly different in that they feature screws that rotate continuously in order to force gas into a chamber and increase pressure. This stable and continuous operation of these types of pumps can be further fine-tuned according to process requirements by simply altering their operating speed. This adjustment not only means this machinery can meet the needs of an even wider range of commercial users, but it also keeps energy use down, ultimately saving these facilities money. Kaishan’s rotary screw vacuum pumps feature low maintenance components and focus on operating with low noise levels. In an industrial setting, these two seemingly simple elements go a long way. Their sophisticated controls allow for fine-tuning of the machine so that it operates based on specific system requirements, and the machine’s sensitivity to changes in performance thresholds is beyond compare. When the system falls below the set threshold, alerts are issued immediately so maintenance can be expedited. This continuously reduces energy consumption, making Kaishan and every piece of equipment they manufacture the most efficient, most economical, and the best for the environment.

If you’re lucky enough to get a good snow day this year, building a snowman is a great way to spend it. That said, building a snowman isn’t all fun and games. It’s hard work, and you want to make sure the end result is worth the sore legs and soggy pants. Here are some science-backed strategies for building the perfect snowman. CHOOSE THE RIGHT SNOW Snow is your artistic medium, so make sure you have the right material for your project. Yes, there is a wrong kind of snow to use when building a snowman. You want the snow to be moist enough that it packs well but not so slushy that it collapses under pressure. The ideal snow for building your masterpiece is freshly fallen snow when the temperature is around 32 degrees F. If the snow isn’t quite right, you can moisten it a little by spraying water on it. LOCATION IS EVERYTHING Before you start stacking your snowman, pick the right location for it to hang out. Asphalt will heat up faster, so stick Frosty on a grassy lawn. If you can find a place that will be in the shade when the sun comes out, all the better. PAY ATTENTION TO PROPORTION As you roll the snowballs to form the head and body pieces, keep proportions in mind. This is important for the visual aesthetic of your snowman and overall stability. Mathematician Dr. James Hind from Nottingham Trent University developed a formula for building the perfect snowman. He recommended that a snowman be 64 inches tall, while the sections of the snowman should be 31 inches in diameter for the base, 20 inches in diameter for the middle, and 12 inches in diameter for the head. Once your snowman is built, science has just one rule for decorating: Have fun. Grab a scarf and a top hat, a carrot nose and radish eyes, or a fancy bow tie. Building the perfect snowman means building a snowman that will make you smile when you see it.

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