[Ed] from Ed’s Systems, aka [Aussie50] took some time to demo his high pressure Frankenstein air compressor he stitched together from two refrigeration compressors. The two Danfoss SC15 compressors ...

Editor’s Note: This is the fourth part in our series of articles on cold rooms. Read Part 1 here: Part 1—Cold Rooms: An Introduction. As seen in the previous articles in this series, each component of ...

The surface area of the plunger and the degree of spring compression determine the amount of pressure necessary to actuate the switch. When pressure on the plunger exceeds that exerted by the spring, ...