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Can anyone tell me if there are any repercussions when welding stainless steel pipe to carbon steel pipe.I assume there exists transition weld electrodes but not sure if this practice can be applied to design of a chemical plant due to the ordering of wrong material.

I need to know the viscocity of biodiesel at below zero temperatures.Can someone help.Thanks

Could someone advise me on where I can find a typical steam tracing specification for pipework in a biosiesel plant.Thanks

Info required on how to calculate expansion loops in a steam line on a pipe rack and also determining forces due to pipe expansion on anchor bay etc.

Gents and Ladies Where can I find a Hydrostatic Test and flushing procedure for piping systems as per B31.3. Thanks

My current project is a biodiesel plant for Rotterdam.We will transport the fuel by road tanker by using bottom loading arms in a tanker bay and my problem is I dont have any details of the road tankers which will be used ie length,position of connecting nozzle etc.I dont know if I am on the...

Could someone advise me on a typical pipe specification for a steam line 14 barg operating at 210°C(slightly superheated). Thanks

I need to select a suitable gasket to be used in a pipeline transporting either soya/rapeseed oil or biodiesel.Any advice please.

My project has carbon steel product lines in which soya/rapeseed oil and biodiesel are being pumped at ambient temp and not more than 10 barg.I need flanged valves ASA 150# some manual and some motor operated they are 6" and 10" diameter lines.Will I use butterfly or gate or other for this...

There seems to be a differing of opinion as to whether pipe material should be galvanized carbon steel or stainless steel.Any ideas please.

I hope this is the right forum for my question : its about a pressure reducing station in a steam line;I have a 12" steam header 300 ASA with op temp at 210°C and flow rate = 25 T/h at 13 barg.I need to reduce to 10barg and provide the same mass flow Can someone give me some advice as to what I...