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Thanks for your responses zdas04, GregLamberson, BigInch. Please see attachemnt showing something regarding a trap which is not a conventional receiver and is very small like a tee and used is a pig trap. Your comments are appreciated. Thanks once again...

HI, We are in the process of designing a 30" crude oil line where the client wants to put a portable scraper trap.Does any one have an idea about portable scraper trap and how it looks (space occupied, etc.,) and the principle of operation. A sketch will help me in understanding. Thanks in...

Thanks much richay, C2it. Further to it I have the following queries. 1. If we have a branch piping of 2" & below in the main line of 4" can we ignore the 2" line? what about 3" piping? 2. Do we need to model a weldolet (branch) with a blind flange ?

Hi, Can anyone help? 1. For stress analysing flare lines do we need to take care (input) the piping slope while modelling in caesar? 2. Is it possible to input the Autocad dwg file in to caesar directly? 3. Can caesar out put check the pipe thickness for it's sufficiency? Thanks

Hi, I have to prepare a piping class specification for my present project. Can anyone tell me what basic informations are required to start preparing piping class specifications? Thanks

Hi, As the concentration goes below the sulphuric acid becomes very corrosive. For high conc.(98.8%) we have used carbon steel storage tanks. CS lined with PTFE is a good option for weak acid. But manufacturing may take some time and also the cost. what about HDPE (I think can be used but no...

Hello, Can anyone clarify? In line pipes (piggable lines)is it necessary to match pipe ID and the connected valve (or)any other fittings like tee, etc.,exactly with pipe ID? How much difference is allowed? Thankyou.

Hello, Can anyone tell me what is a high performance butterfly valve? Also what is the meaning of "double offset" & "triple offset" in butterfly valves? What does generally mean by OFFSET? Thanks.

Thanks Biginch for a quick reply. My specific question is whether any additional supports required to the Run pipe to withstand load of the hottap machine above the Run Pipe? Because once you excavate that means removing the earth under the pipe on which the pipe rests? I am aware of the other...

Hello friends, Can anyone give some tips? I have an 8" carbon steel under ground gas line to be hot tapped with a branch size 8". My questions : 1. Underground hottapping is it possible? 2. What precautions necessary to have this underground hottapping?

Thanks. We will be on a site visit for this job soon. Hopefully I can get more details about the situation.

jte Thanks for your quick reply. I am working with PVelite (also new to PVelite). My understanding is to get the inputs (forces & moments by the pump) from pump manufacturer and these values to be entered in WRC analysis to get the results. Is it ok?

For a drain vessel design (ASME SEC VIII, Div 1) there are 2 vertical pumps to be mounted on 2 nozzles (650 mm dia) on top of this horizontal vessel. Is any special consideration to be given in the vessel design for the pumps coming on top of the vessel?

i am involved in a job in installing new MSV skid (2 already existing) where 16" bulk header is extended for a length of 15m. Will the pipe needs to be stress analysed? Design temp. 82 deg C. Rating 600#