In case you are searching for alternative products to Bosch and have the Bosch part number, here are the specs, for example
0 580 453 021 BMW 520i / 525i
102-170 L/H
850-1420 CC3/30 seconds
pressure 3.5 bar
http://apps.bosch.com.au/AAExtranet_...pflowrates.PDF

The Bosch part numbers for the fuel pumps you find in the Bosch parts lookup https://www.boschautoparts.com/