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You are inded correct. I also found the fine print in Section IX, Table QW-451.4........very bottom line: GENERAL NOTE: Supplementary essential variables apply when toughness is required by other Sections. Thank you for your response. CW

I need a tank expert. In welding the annular floor plates to the shell plates, where floor plate thickness is 3/8" (P-No. 1, Group 1) and the shell plate is 1-1/4" (P-No. 1, Group 3) and impact testing at -25F is required................. If the PQR/WPS is generated via a V-Groove test weld...

Here's one for you guys..................... Here is the scenario. The applicable code is ASME B31.3. A53, Gr. B pipe. 26” Std, hence, 0.375” wall thickness. Welding a split “Tee” fitting on for a hot tap operation. The split “Tee” fitting material is A516, Gr. 70 and is 1” thick (for the...

I have that PRCI doc and find it very helpful (for 20th ed.). I hope they follow suit and do the same for 21st ed. Seems a lot of places are hesitant to get onboard with the new edition.

I overhear a lot of stuff in my office. I'm always interested in the "correct" answers to most of these arguments. I did a search here already but am still a bit perplexed. Say a welder is taking a 12" "butt" and 12"-on-12" "branch" test (for procedure qualification and/or welder qualification)...

I know, strange, eh? bump

I ran across a situation yesterday that I haven't encountered before. A facility has a 2000' long 12" Std, Class 150 molten sulfur transfer pipeline. It operates at ~300F, less than 100 psig. The concern is that 3-4 years ago, it was noticed that the line had obviously undergone some thermal...

OK, I'm a little rusty with my AutoCAD/CADWorx Plant design, but I need to add an 8" 3R Ell/Bend to my piping spec. I'm desperate......please help.

I was orignally just trying to generalize, to my fault. I have a LACT Unit....FMC. The discharge of the LACT goes directly to a pipeline injection pump, toget the oil into the pipeline. he LACT Unit is Class 150 equipment, operating at relatively low pressures, say between 40-60 psig at the...

"Lease Automatic Custody Transfer" Used when selling product from a producer to a customer.

bump

So there is a crude oil storage/stock tank. It feeds oil through a LACT Unit via the LACT Unit charge pump. A backpressure valve at the LACT Unit discharge holds approximately 35 psig backpressure on the LACT Unit. The crude discharge from the LACT Unit goes to a "PD" pump where it is then...

I have a compressor station that is equipped with a "Station PLC" that runs everything. There is also a remote field office that monitors several of the station parameters via SCADA. In other words, an operator can be at the field office and look at a screen that displays the current...

I have used auto louvers on gas coolers in amine plant/glycol dehy installations with general success.....same region. Simple......cheap

I'm sitting on the sidelines at work listening to two views on how to control gas temperature when using a "Fin Fan" type cooler. The concern is that in the winter the gas needs to stay at 85F. The new cooler is a dual fan model using two (2) 50 HP electric motors. (this in the South Texas...

Thanks guys. I relayed the info and had a discussion with my client. He's got a better feel for how to deal with it.

Beyond good engineering practices and quality issues in general (also PCC-1, Appendix N), are there any specific codes, regulations, guideline, recommended practices for reusing stud bolts for flanged connections on either pressure vessels and/or pressure piping? I do not want to use...

Hey! You are the man..................works just fine. Better yet, I now "get it". Thanks, you're an educator.

Anybody have a ".lin" file for an instrument air line that looks similar to: ---//---//---// .................???? jcwoodall@att.net thanks