Blind Flange Thickness for Hydrotest - CR4 Discussion Thread
Jul 13, 2012 · We are going to do a hydro test of 72 line with test pressure of 7.5 bar. What should be a required thickness of blind flange
Difference in Hydrotest pressure as per ASME Sec.VIII Div.1 UG-99 (b ...
Jan 1, 2012 · I know basic difference between both.UG 99 b is based on MAWP amp UG 99 c is based on MAP. In both cases we measure hydrotest pressure on top of equipment.In both of case liquid is...
Low Voltage Switchboards - CR4 Discussion Thread
Dec 9, 2025 · Interested in this topic? By joining CR4 you can "subscribe" to this discussion and receive notification when new comments are added.
Difference Between Oil Soak Pit and Oil Burn Pit - GlobalSpec
Oct 21, 2011 · Can any body explain me the difference between oil soak pit and oil burn pit what is the pipe material which has to be used What is the dia of pipe for per MVA of trafo
Inward Nozzle - CR4 Discussion Thread - GlobalSpec
Jun 1, 2009 · Interested in this topic? By joining CR4 you can "subscribe" to this discussion and receive notification when new comments are added.
Pressure Relief Device - CR4 Discussion Thread
Dec 17, 2019 · Good Answer: Pressure relief: Transformer tanks are not built to be considered pressure vessels, so they need to be able to ease the built up pressure with a pressure relief device, or PRD. …
interposing VT in synchronising circuit - CR4 Discussion Thread
Nov 6, 2008 · Interested in this topic? By joining CR4 you can "subscribe" to this discussion and receive notification when new comments are added.
Line Monitoring for Digital Output - CR4 Discussion Thread
Mar 15, 2015 · Good Answer: A simple high impedance indication light paralleling the load devices interposing relay coil amp solenoid would give adequate visual verification for both. If you need …
T Size Gas Cylinder - CR4 Discussion Thread
Oct 5, 2007 · Can someone give me the exact dimensions spefically diameter of a t size gas cylinder
Interposing Relays - CR4 Discussion Thread
Jun 1, 2010 · Interested in this topic? By joining CR4 you can "subscribe" to this discussion and receive notification when new comments are added.