Diaphragm & Piston pumps Products Overview & Applications
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Diaphragm & Piston Pumps Products Overview & Applications

The pump professionals Leader in pneumatic pumps, ARO offers a wide range of diaphragms and piston pumps for low to high viscosity fluids. The ARO pumps benefit from 80 years experience, making them highly reliable and rugged for use in the chemical, process industries and any other difficult environment (explosive, dusty, wetted and heated atmosphere). Engineering We consistently deliver best-in class technologies designed by highly skilled engineers who know how you work. We consult with you to identify your needs and customise solutions to best fit them. Technical Support No matter what...

The heart of your Process Bulk material transfer and circulation Dispensing Filling Finishing Formulation High-pressure cleaning Lubrication Packaging Printing flexo/offset Ingersoll Rand /ARO offers a wide range of Fluid Technologies for today's demanding industries and applications. Industries Aerospace Automotive Ceramic Chemical Processing Machine Builders – Formulation Mining and Construction Oil / Gas Petrochemical Paint and Finishing Pharmaceutical and Cosmetics Print Shop and Ink Manufacture Shipbuilding and Marine

4 ARO Diaphragm and Piston Pumps ARO® Diaphragm Pumps ARO Air operated Diaphragm Pumps are designed for general use. They can easily pump from clean, light viscosity fluids to corrosive, abrasive medium viscosity fluids and can transfer large particles without damage. Due to their pneumatic motor, they can be used in potentially explosive areas. Most of the ARO Diaphragm Pumps are ATEX certified (CE Ex11 2GD X). ARO® Diaphragm Pumps Range and Applications YEAR 5 WARRANTY Specialty Application Pumps Pumps providing the same high level of performance and satisfaction but in a design tailored...

1 2 3 4 ARO Diaphragm and Piston Pumps 5 ARO® Diaphragm Pumps: the best "total cost of ownership" in the Industry Energy efficient: ARO EXP pumps are 20% to 40% more efficient than competitive models. Downtime Reduction: The mean time between failure for EXP is up to four-times longer than competitive pumps. Installation/Repairs and Spare Parts: EXP diaphragms provide up to four-times the life of competitive diaphragms. EXP spares include cost-effective service kits, not the expensive full-motor replacements of some competitors. EXP total value proposition: EXP provides the BEST total cost...

6 ARO Diaphragm and Piston Pumps ARO® Diaphragm Pumps Non-Metallic Models – Range and Performance 40.1 l/min 54.5 l/min 56 l/min 178 l/min 200 l/min 378 l/min 465 l/min 549 l/min 696 l/min Pit Boss Pit Boss Sum Pump Sum Pit Boss Pump Sum Pit Boss Pump Sum Pit Boss Pump Pit Boss Sum Pit Boss Sum Pump Pit Boss Sum Pump Pump Pit Boss 6.9 bar (100 psi) 6.9 bar (100 psi) 6.9 bar (100 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 3/8" NPT 3/8" BSP 1/2" NPT 1/2" BSP 3/4" NPT 3/4" BSP 1" NPT 1" BSP 1" ANSI /DIN 1" NPT 1" BSP 1" ANSI...

ARO Diaphragm and Piston Pumps 7 Metallic Models – Range and Performance 45.4 l/min 51.5 l/min 133 l/min 197 l/min 340 l/min 465 l/min 651 l/min 651 l/min 897 l/min 1041 l/min Pit Boss Pit Boss Sum Pump Sum Pit Boss Pump Sum Pit Boss Pump Sum Pit Boss Pump Pit Boss Sum Pit Boss Sum Pump Pit Boss Sum Pump Sum Pump Pump Pit Boss 6.9 bar (100 psi) 6.9 bar (100 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 8.3 bar (120 psi) 1/2" NPT 1/2" BSP 3/4" NPT 3/4" BSP 1" NPT 1" BSP 1" NPT 1" BSP 1 1/2" NPT 1 1/2" BSP 1...

8 ARO Diaphragm and Piston Pumps ARO® Diaphragm Pumps (continued) 1:1 Pit Boss Sum Pump Pit Boss Sum Pump Pit Boss Sum Pit Boss Sum Pit Boss Pump 2" Max. powder density = 800 kg/m3 6.9 bar (100 psi) Aluminium Stainless steel 6.4 mm All models 3" 9.5 mm bar Material ATEX certified Powder Pumps 3:1 1" 6.9 bar (100 psi) 1" NPT 1" BSP 3.2 mm All models 2:1 3" 3" NPT 3" BSP 9.5 mm High Pressure Pumps 1:1 1/2" 49.2 l/min 6.9 bar (100 psi) FDA accepted material 2.4 mm With aluminium or stainless steel motor All models 1" 198 l/min 8.3 bar (120 psi) 3.3 mm 11/2" 465 l/min 6.4 mm 2" 651 l/min 6.5 mm...

ARO Diaphragm and Piston Pumps 9 ARO® Diaphragm Pump Applications Here are some examples. Other application pictures are presented on page 14. Pit Boss Sum Sum Pump Pump Boss Sum Pump 1/4" NPT 3/8" NPT Siphon tube Screened inlet 1:1 1/2" 45.4 l/min 6.9 bar (100 psi) Aluminium Stainless steel 2.4 mm With aluminium motor 1:1 54.5 l/min Polypropylene 2.4 mm — Drum Pumps — 2 1/2" 757 l/min 6.2 bar (90 psi) Cast iron 6.4 mm — — 2" 870 l/min 6.4 mm — Submersible Pumps 1:1 1/4" 17.4 l/min 6.9 bar (100 psi) Polypropylene Groundable Acetal Kynar®PVDF 0 mm With wetted parts in groundable Acetal. Mini...

FINISHING, COATINGS, SEALANTS, INKS & ADHESIVES 10 ARO Diaphragm and Piston Pumps ARO® Piston Pumps ARO piston pumps provide industry proven dependability, economy and precision control for the delivery of a wide range of flowable materials. Whether you are moving a small amount of low viscosity fluid a few feet or a large amount of high viscosity material a longer distance, ARO has a pump to meet your application needs. Two-post Ram Packages Features a two-post ram, pump, follower plate and controls designed for high viscosity applications. Single-post Ram Packages Single-post ram with...

LUBRICATION BULK MATERIAL TRANSFER / CIRCULATION HIGH PRESSURE CLEANING ARO Diaphragm and Piston Pumps 11 ARO® Piston Pump Types and Applications Transfer: Involves moving a low-to-medium viscosity fluid. 2-ball and 4-ball pumps are most frequently used in transfer applications. Extrusion: Involves using a Piston Pump to apply medium-to-high viscosity materials. Typical extrusion applications require accessories like rams and fluid regulators. Chop-Check and 2-ball pumps are used in extrusion applications. Coating Application: Involves application of a material by either spray or dipping....