September 1, 2005 (Vol. 25, No. 15) Valve Selection and Properly Sloped Fittings Improve Process Lines Cleanliness and drainability are among the most critical issues biopharmaceutical ...

The QF10k pump from Quattroflow, part of PSG, a Dover company, is a positive-displacement quaternary (four-piston) diaphragm pump that provides a maximum flow rate of 10,000 Lph (44 gpm). The pump is ...