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I would recommend a shrink fit without a key as we use succesfully since 5 years or so for the coupling hub on the drive shaft of reciprocating pumps (max. 1500 kW at about 50-60 rpm). Shaft is straight cylindrical, no key(s), no spline. Mounting is easy (just heat, usually about 240°C) and for...

Here is the relevant part from ANSI/HI 6.6-1994 Reciprocating Pump tests. This is what we use. We don't have B31.1, seems not applicable, title is Power Piping. The BS is unknown to me. 6.6.5 Hydrostatic test of pressure-retaining components 6.6.5.1 Objective To demonstrate that the...

Hello, Brass and bronze are suitable no-sparking materials, so I would recommend brass, since this is readily available as sheet metal. Also it has the advantage above polymers that it can handle better external load when you chose sufficient wall thickness, depending upon the size of the guard...

Hello Mechmos, I'm working on the eng.dep. of a slurry pump manufacturer, we also make triplex pumps, however "only" upto 250 bar. Early next week I will see if we have the mentioned standards. I believe we use Hydraulic Institute standards. Nowadays we don't do much of hydro-testing anymore...