Johnson- Knowledge Base
Here, the focus is on screw compressors in refrigeration and the use of economizers and side loads to enhance energy efficiency. The advantages of screw compressors over reciprocating compressors are highlighted, particularly their ability to have a secondary suction port for drawing additional vapor. The economizer utilizes this port to sub-cool liquid going from the…
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Johnson- Knowledge Base
Frick Screw Compressors Pt. 1
Learn about the basic operation of rotary screw compressors and what part they play in refrigeration. We think of screw compressors as the heart of refrigeration. By understanding a little about how they are supposed to operate, it helps you in applying them in systems and knowing the important points when selecting equipment and designing…
Johnson- Knowledge Base
Fundamentals of Vibration Measurement with Screw Compressors
Screw compressors are quite large and always a vibration signature on machines. It’s important to learn what we can from those signatures to know if maintenance is needed or if a machine needs some attention. Starting with the basics today and work up to a little more specific interpretation of screw compressor details.
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When Your Team Becomes the Bottleneck
In a candid take on organizational blind spots, Mollie Gaby, Principal at CG Infinity, highlights a hard truth many leaders avoid: sometimes your biggest pain point isn’t your technology or your strategy — it’s your staff. A common red flag is resistance to change. When team members are unwilling to explore new tools, automate…
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From Public Accounting to CFO: The Leadership Wake-Up Call
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Building Safer Schools Through Restorative Practices
School Safety Today podcast, presented by Raptor Technologies. In this episode of Principals of Change, host Dr. Amy Grosso sits down with D’Jon Pitchford, Assistant Principal at Kelly Lane Middle School in Pflugerville ISD, to explore what school safety really means. Pitchford reframes safety as more than physical security—emphasizing trust, restorative practices, campus culture,…
