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I am working on the support lug for a high temperature vessel (Di: 84 in; L(tan to tan) 120in), Temperature 1200F, Pressure 63 psi. The shell temperature is about 1200F (650C), an insolation (12") wrappes the vessel. There is 10" cavity between the vessel and insolation. Please find the attached...

Thank you

The thermal expansion in vertical direction is large (vessel body + skirt), there are some important nozzles that could not handle large vertical thermal displacement. Another thing is that skirt design has the temperature limitation to 800F. The operating temperature of the vessel is about 1200F.

Thanks TGS4. Could you let me know the disadvantage for "fix on lug" option. The rest of 3 lugs allow low friction float. So, the fixed one will not carry more stress. I may overlook some other sections. Thanks again

I am working on the support lug for a vertical vessel (DI: 84in, Operating Temperature 1200F; Pressure 63 psi). The thermal expanison in radial direction is a big concern. The lug bolt holes will be deisgned as slots rather than circule hole allowing radial movement caused by theraml expansion...

I am working on the support lug for a high temperature vessel (Di: 84 in; L(tan to tan) 120in), Temperature 1200F. I will check both lug and ring There is no specified procedure in ASME code. I found the samples in pressure vessel design manual (Dennis Moss). These sampples are based on...

Here is another picture.http://files.engineering.com/getfile.aspx?folder=5fc24a95-05ab-4fc6-bc3a-99021ec38c93&file=DriveTrip_02.jpg

Thanks for your information. I took some pictures in the field. No control valves. The drive trip is assemble of plug valve and butterfly valve. Please see the picture, we need a signal to trigger the action of "pull up" on a lever. The Elliot Hatchet should be working, the other option is a...

If Elliot "Hatchet" works with this 1958 turbine drive trip, I have a concern of the force required to act latch/unlatch, is it going to be reliable? How about if I add the actuator on the control valve, please find the attached draft. Thanks again for your...

Thanks. The steam turbine is Terry type Z-1 (Built by 1958). Terry has been out of business. I didn't get the drawings yet. Are you familiar with Terry turbine (1958). Thank you again

I am working on a project to install pump/driver trip systems on about 350 pumps based on measurement of high pump vibration. The one pump in question for me has a steam turbine driver (which prevents us from simply splicing into the motor start/stop switch to stop the pump as I am doing with...