The idea that a pneumatic test is somehow safer than a hydrostatic test at this level of pressure shows complete ignorance. Pneumatic tests on anything should be done only at low pressures. A failure of this type in a gas service would truly be Catastrophic...
No equations are not the same as in Div 1. Most recently the code has been revamped. So you would most likely want to purchase the code you are designing to with the year that you want applicable.
The formula for basis internal stress for cylinder in div to is PR/t + P/2
Does someone have access to a Taylor Forge Achor Flange Wrok sheet? Or know where one could be found? I have Modern Flange Design but it didn't have that variety included. I've seen one once before and have forgotten how to include corrections for the second hub.
Any help would be greatly...
I am designing a cylinder rod to be used in transmitting fluid at pressure. I've attached a picture that described what we have.
We are column loading a cylinder rod and I wanted to seek advice on the "K" value end condition constant.
The cylinder piston is fixed on either end but when...
The vessel is to use water and have a type of quick release clousure. It appears it will be 42" ID. We pump in water until we get the pressure we need. Another company I have noted has used allowables of 90% of Sy as the basic primary membrane on a similar type and size of vessel.
Since this...
Note to all. This vessel is not for human occupancy. It will sit in our companies test lab for use in verifying other vessels external pressure capabilities. I will check the jurisdiction requirements for this area.
Does anybody know what rules govern construction of Hyperbaric Test Chambers?
This vessel is to be used for doing in-house simulation of devices/equipment going down to 10000 ft of seawater depth.
The vessel will be made of a cylinder capped on both ends. Thus subject to internal pressure...
