OPERATOR’S MANUAL 1604619INCLUDING: OPERATION, INSTALLATION & MAINTENANCE RELEASED: 11-1-13REVISED: 3-03-14(REV. B)1/4" DIAPHRAGM PUMP1:1 RATIO (NON-METALLIC)1604628READ THIS MANUAL CAREFULLY BEFORE INSTALLING,OPERATING OR SERVICING THIS EQUIPMENT.It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.Industrial Coatings Customer Support555 Jackson Street - Amherst, OH 44001(800) 433-9319 www.nordson.comFigure 1SERVICE KITS1604580 for Air Section repair (see page 6).1604582 for Diaphragm repair (see page 4).1604581 for Ball And Seat repair (see page 4).PUMP DATAModel 1604628Pump Type Non-Metallic Air Operated Double DiaphragmMaterial see Model Description Chart.Weight Acetal 3.52 lbs (1.60 kgs)Maximum Air Inlet Pressure 125 psig (8.6 bar)Minimum Air Inlet Pressure 10 psig (0.69 bar)Maximum Material Inlet Pressure 10 psig (0.69 bar)Maximum Outlet Pressure 125 psig (8.6 bar)Maximum Flow Rate (flooded inlet) 5.3 gpm (20 lpm)Displacement / Cycle @ 125 p s i g . . 0.019 gal / 0.072 ltrsMaximum Particle Size . . . . . . . . . . . . . 1/16” dia.(1.6 mm)Maximum Temperature Limits (diaphragm / ball / seat material)Acetal . . . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° to 82° C)E.P.R. / EPDM . . . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)Kynar® PVDF . . . . . . . . . . . . . . 10° to 200° F (-12° to 93° C)Hytrel® . . . . . . . . . . . . . . . . . . . -20° to 150° F (-29° to 66° C)Neoprene . . . . . . . . . . . . . . . . 0° to 200° F (-18° to 93° C)Nitrile® . . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° to 82° C)Polypropylene . . . . . . . . . . . . 35° to 175° F (2° to 79° C)Viton® . . . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)Santoprene® . . . . . . . . . . . . . . -40° to 225° F (-40° to 107° C)PTFE. . . . . . . . . . . . . . . . . . . . . . 40° to 225° F (4° to 107° C)Dimensional Data. . . . . . . . . . . . . . . . . . . see page 7Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . . 62.3 db(A) The pump sound pressure levels published here have been updated toan Equivalent Continuous Sound Level (L Aeq) to meet the intent of ANSIS1.13-2005, CAGI-PNEUROP S5.1.CCN 47509597001MODEL DESCRIPTION1604628-Groundable Acetal, NPTF / BSPT / Hydrid Threadedports