Recent content by richard27

Thanks very much iainuts. I will check out those links. Incidentally, I work for a mechanical seal company, so I am well aware of John Crane and their 285 cryogenic seal. thanks again Richard27

Dear All, I am currently part way through a project into the use of mechanical seals for use in low temperature and cryogenic service. Whilst I am reasonably ok with the seal side of things, I am struggling to find the "typical" pump types and manufacturers used for these duties. Who...

Thanks unclesyd, the NASA site was very useful. I was aware of the other two. the McNally site is always a wealth of information. richard27

Dear all, I am current undergoing a project into the use of mechanical seals in cryogenic service. This will cover seal face materials, gaskets, o-rings, elastomers, metallurgy, seal types, pump type and orientation, the works really. Temperature range and products will vary from ammonia duties...