I have recently experienced two different fatigue failure on a large diameter studs used on reciprocating mud pumps. When examining the failure, we found a very unusual thread profile that we first thought was a manufacturing defect, however we have now learned it was by design. The pumps were...
I've always been curious into what's behind an ANSI B16.5 flange pressure rating and the "class" that it's normally referred to. For example, and CL600, or 600#, flange actually is rated for about 1,440 PSI in typical materials and services. Where did the 600# come from?
Thanks
Can anyone help me understand why a Gear Oil with EP additives could potentially cause a a conecting rod journal bearing on a reciprocating pump to fail?
We have had repeated failures of crank pin bearings (the split, insert style, babbit lined journal bearings on the big end of a connecting...
I have been given the following materials from a Chinese vendor for o-ring materials. I think the GB1235 is a pretty common standard in China, but I can't find any cross reference to what they are equal to in the USA.
Does anyone know what these materials are (I think they are Buna-N)?
Is...
Does anyone know what ZQAl 9-4 and ZQZn 6-6-3 cross reference over to in USA standards? I think both are bronze or aluminum bronze, but I can't find any way to cross over to what they approximate in the US.
Thanks
