Can anyone tell me what the tolerance is on the height of a raised face? I cannot find this called out anywhere in the ASME B16.5* "Pipe Flanges and Flanged Fittings" standard.
*Reference Figure 7 or F7 in the standard.
Thank you in advance for your help.
I am having a very difficult time finding a supplier of cap screws in the US willing to comply with the EN 10204 Type 2.2 documentation. Does anyone know of one?
Thank you in advance!
Are there any US cap screw suppliers out there willing to quote complying with the documentation requirements of EN10204 Type 2.2?
(PED = Pressure Equipment Directive)
Can someone suggest a good source to guide in the design of a gas control valve trim (plug and seat) set? I must comply with NACE MR0175.
Some of my questions are...
> What are my material options?
> What should I specify for hardness requirements (plug versus seat)?
Thank you in advance for...
What differences can I expect in results from running the ISA S75.02 valve capacity tests (compressible - air) under vacuum (e.g. downstream “blowing engines”) versus pressurized (e.g. upstream air compressor)?
Thank you in advance for your input!
