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Design pump minimum flow line by Relief valve 2010-10-28
For the minimum amount of time that the pump is operating, it would probably be a better to design to omit the relief valve entirely and use a constant recirculation line with an appropriately sized o
Valve Open Area Calc From Thottled Valve Cv 2010-10-28
Cv is proportional to the open area and a disch coeff.the problem with ball valves is that they are classified as high recovery valves. Check Appendix A, Crane Technical Paper 410.
Fixed Roof Tanks 2010-10-28
Distinction if any between Pressure/Vacuum relief Valves and Breather Valves.Breather Valve = Pressure Relief Valve + Vacuum Relief Valve,A Breather valve for a tank requiring IN-breathing and OUT-br
Restricted Orifice- After control valve 2010-10-28
Going through one P&ID of gas processing facility I have been working. What are the reasons behind placing RO-restricted orifice after control valve/valve?
Short Body Check Valve 2010-10-27
Need a 42 inch swing check valve for raw sewage service. Due to piping limitations, I am looking for a short body (such as wafer style) swing check valve for sewage application.
Fireproofing E.I.V.s 2010-10-27
Working on a project and wondering on why is it necessary for there to be "long bolted" valves? For example I noticed long bolted wafer valves in a fire hazard the bolt melt off and simply leak materi
Lug / Wafer Type Butterfly Valves 2010-10-27
The difference between the lug and wafer type butterfly valves and when are these specified? I can't seem to find a clear definition of each.
Stellite or Kolsteriling hard face 2010-10-27
The difference beetwen KOLSTERISING hard face treatment and STELLITE.Stellite is a commercial name of a cobalt-chrome alloy available in different grades and with high wear resistance features
