Pacer Pumps/Div. ASM Industries has earned certification to NSF/ANSI 61, 372, the American National Standard for Drinking Water System Components for its IPW series of self-priming centrifugal pumps, from global public health organization NSF International. The IPW Series is a self-priming centrifugal pump with a vertical suction lift of 20 feet and a maximum flow rate of 180 gallons per minute. It is ideal for transferring and delivery of potable (drinking) water. For additional information visit our website at www.pacerpumps.com/nsf or contact us at 1-800-233-3861.