Glenn Webb is a senior product specialist for Blackmer, Grand Rapids, Michigan, and can be reached at 616-475-9354 or For more information on Blackmer’s full line of rotary vane and centrifugal pump and reciprocating compressor technologies, visit or call 616-241-1611. Blackmer is part of PSG, a Dover company, Oakbrook Terrace, Illinois. PSG is comprised of several pump brands, including Abaque, Almatec, Blackmer, Ebsray, Griswold, Maag Industrial Pumps, Mouvex, Neptune, Quattroflow, RedScrew and Wilden. For more information, visit