The H-Factor

Reducing Entropy

Recent Posts

Unblocking a Group of Files

After downloading a file, it is often Blocked. You must right-click on it, pick Properties and then check the Unblock item: But doing a dozen or more files gets old, real fast. I just learned a way to Unblock a batch of files at once. It involves using PowerShell, a Microsoft tool that is a…

Adding Hanger Types to HydraLIST

If you want to use a new type of hanger, or are a fab shop that gets a job from a contractor that uses a hanger type that you do not have, it is easy to add that new hanger type to your own machine. A hanger is an assembly, and an assembly is just…

Welcome

Recently our previous blog service (Typepad) ended their business – so, we have a new home. It will take a bit to get images back and displaying properly, but we are working on it! Final pageview count of original Typepad blog: 387,232

March 2015
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Day: March 9, 2015

  • My coworker Bill wrote this up, based on frequent requests for help with Pressure Reducing Valves: There are two types of PRV valves, so there are two ways to handle the calculation: Type 1 – Fixed PRV Three calculations are required for a factory set or field adjustable PRV: Static at PRV, System Demand at…