I'm involved in a project where the discharge lines of my WI pumps are to be retrofitted with globe valves - the intent is to use pneumatic actuators to control the valves(10 inch stroke) requiring additional new air packages to be procured. I'd like to try and simplify things, asking if...
Does anyone have a reference which defines how 'clean' a 'clean' fluid for use in a Plan 11 system should be?
I have a system where a pump fitted with a Plan 11 flush (single seal bellows) precedes a Plan 53B (pressurised dual seal bellows) and I'm not entirely sure that the Plan 11 is...
We are commissioning some vertical sump (water) pumps, fitted with single inside cartridge seals configured for API Plan 13. The level of the sump can vary between 2 and 4 meters below the discharge/seal. Startups and runtimes are intermittent and on startup, since the flush is taken from the...
Can anyone give me some pointers as to the power required by a 747 powered by RB211 engines for takeoff, compared to the power required for the same aircraft to maintain a typical cruising altitude/speed.
I know there are lots of varaibles but I am looking for ball park figures
thanks in advance
I have a couple of centrifugal gas compressor units which have gone out of balance at the same time - this has coincided with problems with a system that injected wax inhibitor into the gas stream, so it looks as if waxy deposits on the rotors are responsible.
I have tried a wash to eliminate...
I have a flexible coupling installed between a steam turbine and a centrifugal compressor, which was found to have cracks in the flexible elements when inspected.
The inspection was carried out after the compressor had been inadvertently surged quite heavily during an exercise to redefine the...
Can anyone point me to a resource where I can find out how to estimate the gas leakage rate across a labrynth seal. I have the gas pressures on either side of the labrynth, the number of teeth, the inner diameter and the clearance?
Thankyou
