Recent content by Longinthetooth

A D9 cat and a long chain worked well for us.

I remember being told by a pump guru that 90% of all pump problems were on the suction side of the pump.

good point hokie 66.

it is high time that the engineering professiona in the Uk become regulated with educational and experience requirements just as in the US and Canada. At the moment anyone can call himself an engineer and design things and approve drawings etc.

With such a high set pressure, and processing hydrogen, I would get the opinion (i.e. pay for) of a recognised professional in relief. There are a number of consultants who specialise in this. This particular application is not for amateurs (Which I am).

Yawn................

That is what it looked like to me.

http://www.bbc.co.uk/news/world-europe-33762806

Emmanueltop is exactly right. This arrangement is DANGEROUS.

I must have led a sheltered life because I have never seen such an "IA dump system", even in the old pneumatic days- and I have worked in many hydrocarbon plants. Is this arrangement common in one particular segment of the industry? Without delving any further, it seems more dangerous than it...

Amen to that, Snorgy

zdas04- Thank you for an interesting series of posts on this topic. I get involved in screw and recip compressors now and again, and your posts included some eye openers. I'll be taking another look at some of our machines now.

I rejoined the IchemE after living abroad for over 20 years. It was relatively painless.

I think klein bottles work better.

RE: J Boggs last comment: A number of years ago a new graduate of a very prestigious engineering asked me what NPSH meant. I explained very politely, but my mind boggled. what had he been learning?