ARO 2 BALL PISTON PUMP MODELS
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PISTON PUMPS 2-BALL PUMP MODELS

2-Ball piston pumps are designed for uniform, consistent fluid delivery For over 85 years, the ARO® Fluid Products business of Ingersoll Rand® has developed partnerships with more than 200 original equipment manufacturers and distributors, enabling us to better focus on the unique pumping needs of many industries. It is a strategic merger of our partners’ application expertise, along with our decades-long legacy of designing and building outstanding piston pumps. Piston pumps are the heartbeat that keeps material flowing through your most vital systems. When a steady stream is essential to...

ARO® LOWER PUMP END TECHNOLOGY Pump selection made simple With an ARO® piston pump, you can be assured of getting reliable equipment with the least amount of effort, calculation, or hassle on your part. There are basically four factors to take into consideration when selecting the right configuration for your application: z Type of fluid z Viscosity or thickness z Required flow rate z Required output pressure Pump selection at a glance Knowing fluid viscosity and flow rates makes it easier to choose the right pump for your application. Not sure what size air motor or piston pump you need?...

Simply Versatile 2-ball pumps are among the most versatile in the ARO® line. They are capable of handling applications from simple transfer to the extrusion of low- to medium- viscosity materials up to 100,000 centipoise (cPs) with fluid delivery up to 18.1 gpm (68.6 L/min). Applications advantages of 2-balls: Spray: 2-ball pumps deliver the constant flow rate and pressure needed for consistent and efficient coatings applications Transfer & Supply: Depending on the model, some 2-ball pumps can achieve flow rates up to 18.1 gpm, providing dependable results Extrusion: 2-ball pumps generate...

Carbon Steel or Stainless Steel 11 Carbon Steel or Stainless Steel 12, 13 Stainless Steel-UV/EB 29 Stainless Steel 31 (800) 495-0276 • arotechsuppot@irco.com • AROzone.com • 2-Ball Piston Pumps 5

Note: Maximum pump outlet pressure in specification tables are the theoretical maximum pressures that can be obtained by the pumps. Pressure and flow in the pump performance curves (following pages) are actual test data based on the conditions described. 6 2-Ball Piston Pumps • AROzone.com • arotechsuppot@irco.com • (800) 495-0276

Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Ram Mounted Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Ram Mounted Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet Flooded Inlet (800) 495-0276 • arotechsuppot@irco.com • AROzone.com • 2-Ball Piston Pump

Materials: Oils, Light fluids PERFORMANCE BASED ON 30wt. OIL (100cSt) AT 40˚C TEMPERATURE CYCLE PER MINUTE (CPM) Pump Specifications Material Inlet Air Inlet Pressure Range psi (bar) Fluid Pressure Range psi (bar) Material Outlet Flow @ 75 Cycles gpm (L/min) 4 6 8 10 FLOW RATE - GALLONS PER MINUTE (GPM) PERFORMANCE BASED ON 30wt. OIL (100cSt) AT 40˚C TEMPERATURE *Estimated weight. Contact Technical Support for exact weight. NON SHADED AREA OF SHADED AREA OF THE GRAPH REPRESENTS OPERATING RANGE FOR CONTINUOUS DUTY NOTE: NON THE GRAPH REPRESENTS RECOMMENDED RECOMMENDED OPERATING RANGE 20 30 40...

PERFORMANCE BASED ON 30wt. OIL (100 cSt) AT 40° C TEMPERATURE CYCLES PER MINUTE (CPM) Material Inlet Fluid Pressure Range psi (bar) Flow @ 60 Cycles gpm (L/min) Air Inlet Pressure Range psi (bar) 0-150 (0-10.3) PERFORMANCE BASED ON 30wt. OIL (100 cSt) AT 40° C TEMPERATURE CYCLES PER MINUTE (CPM) NOTE : NON SHADED GRAPH REPRESENTS RECOMMENDED OPERATING RANGE FOR CONTINUOUS DUTY NON SHADED AREA OF THEAREA OF THE GRAPH REPRESENTS RECOMMENDED OPERATING RANGE *Estimated weight. Contact Technical Support for exact weight. Material Outlet Materials: Oils, Light fluids FLOW RATE - LITERS PER MINUTE...

65031X-X Series WITH CYCLE COUNTER Materials: Oils, Light fluids Pump Specifications Ratio 2:1 Stroke in (cm) Material Inlet Material Outlet Air Inlet (female) Air Inlet Pressure Range psi (bar) Fluid Pressure Range psi (bar) Max Cycles/Minute Max Working Flow Rate gpm (lpm) Displacement/Cycle cu in (cm3) Volume / Cycle oz (ml) Cycles/gal (L) Noise Level dBA Weight lb (kg) 650311-X 65031 2-X Lower Pump Pump Container Plunger Model Material Suitability Material Ceramic Coated 650311-5 Stainless Steel Stub Stainless Steel Ceramic Coated 650311-6 Stainless...

NM2202X-X1-X31 NITROGEN BLANKET PORT Series Pumps Materials: Oils, Light fluids Pump Specifications Ratio 2:1 Material Inlet 1-1/2" NPT(F) Material Outlet 3/4" NPT(F) Air Inlet (female) 1/4" NPT(F) Air Inlet Pressure Range psi (bar) 0-150 (0-10.3) Fluid Pressure Range psi (bar) 0-351 (0-24.2) Max Cycles/Minute 120 Flow @ 60 Cycles gpm (L/min) 2.15 (8.14) Noise Level @ 100 psi dBA 80 Weight* lb (kg) NM2202A-11-X31 17.5 (7.9) NM2202A-41-X31 19.6 (8.9) NM2202B-11-X31 17.2 (7.8) NM2202B-41-X31 22.5 (10.2) *Estimated weight. Contact Technical Support for exact weight. Pump...

NM2304X-X1-X11 Series Pumps Materials: Oils, Light fluids Pump Specifications Ratio Stroke in (cm) Material Outlet Air Inlet (female) Air Inlet Pressure Range psi (bar) Fluid Pressure Range psi (bar) Max Cycles/Minute Displacement/Cycle cu in (cm3) Cycles/gal (L) Flow @ 60 Cycles gpm (L/min) Noise Level @ 100 psi dBA PERFORMANCE BASED ON 30wt. OIL (100 cSt) AT 40° C TEMPERATURE See stainless steel models on following page. Lower Pump Pump Pump Plunger Upper Lower Material Weight Service Model Material Material Packings Packings Inlet lb (kg) Kit*...

NM2304X-X1-X11 Series Pumps Materials: Oils, Chemicals Pump Specifications Ratio Stroke in (cm) Material Outlet Air Inlet (female) Air Inlet Pressure Range psi (bar) Fluid Pressure Range psi (bar) Max Cycles/Minute Displacement/Cycle cu in (cm3) Cycles/gal (L) Flow @ 60 Cycles gpm (L/min) 4:1 Pump Packages on following page. Pump Lower Pump Plunger Model Material Material NM2304B-11-311 316 Stainless Steel 316 Stainless Steel PTFE PTFE 1.25" NPT(F) 32 (14.5) 637010 *iower pump repair kit Recommended Accessories ABC Model in (mm) in (mm) in (mm) NM2304A-11-X11...