I've installed a liquid CO2 system but keeping getting gas CO2 at the discharge rather than liquid. I've tried various things such as bringing the supply/return closer to the machine and increasing the line size but for some reason I can not get the system cold enough to get liquid. It's...
I'm writing a bunch of specifications for new equipment especially new bridge cranes. I've been told two different stories regarding using NEMA contactors vs IEC contactors. I've been told that NEMA contactors are superior and heavier duty but then have been told NEMA contactors are costly and...
I've got to fill in a 15' W x 15' L x 33' Deep concrete pit then pour an 8" slab for a machine. I'm a mechanical engineer this subject really isn't my wheel house. It's been suggested to fill in gravel and compact every 4'. My question is that typical way filling a pit? If so how do safely...
We have had a few issues where contractors will either sawcut, jackhammer or core drill through conduits or water lines at our plant. We've got permit called a penetration permit but it's still not preventing the issue. I'm sure we not the only plant with this situation. What do others do to...
We have 3 cooling towers with the coils leaking. One tower has been installed for 6 months and the other two have been in for 18 months. These appear to be leaking from the weld along the seam of the tubing. Has anyone experienced this before? If so what did you to fix it?
Can coils be...
Our company is looking at getting an "R" stamp for repairing our own pressure vessels. What are the necessary steps and is this a costly endeavor? Can we have a company employee be the Authorize Inspector or are we required to a have third party inspector?
Thanks
