I am looking for some input on how others perform LOTO on Hansen 3-way valves and Vilter stop/check valves. The valve stem is all there is and is acceptable to drill the stem to attach a locking device? Or, does the operator put the valve in the closed position and put one of those external...
Does anyone know if it is standard practice to include the effect that dissolved gasses has on the vapor pressure of a fluid? All that I have been able to find is a specification sheet for potassium carbonate at one concentration and temperature. I know that we have been having problems with...
This seems to be a pretty basic question, but I have probably been over-thinking it. I am trying to clarify some torque issues with one of our gearboxes. Is there an equation for torque that the manufactures use to rate their gearboxes? I know that Power=Torque*speed or...
I am looking to find the viscosity of ammonia at different pressures and temperatures. Does anyone know of a good reference to use? I have looked in the Langes Handbook of Chemistry and CRC, but am only finding viscosity at atmospheric pressure. I am looking for the viscosity of ammonia at...
