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Diaphragm Pumps
Diaphragm pumps or Membrane pumps, are positive displacement pumps that use a diaphragm and valve to pump fluids. Diaphragm pumps are available in metallic (aluminum, stainless steel) and non-metallic (Polypropelene, acetal) material.
25 Products
ARO EXP 1/4'' Diaphragm Pumps
Part of ARO's Compact Series of pumps, ARO's 1/4” pumps feature big performance in a compact package. They feature flow rates up to 5.3 GPM (20 LPM)
Features & Benefits- Compact Design
- 360º Mounting Versatility when using optional flex checks
- Creates a 31-feet of suction lift
- Ideal for OEM Applications
ARO EXP 3/8'' Diaphragm Pumps
Part of ARO's Compact Series of pumps, ARO's 3/8” pumps feature big performance in a small package. They feature flow rates up to 10.6 GPM (40.1 LPM)
Features & Benefits- A favorite of OEM's around the world.
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners, and your choice of PVDF, Polypropylene, or Groundable Acetal casing materials
- Simul-Shift valve provides ultra-positive, reliable shift signal
- Bolted construction for leak-free fluid handling
ARO EXP 1/2'' Diaphragm Pumps
Part of ARO's Compact Series of pumps, ARO's 1/2” metallic pumps feature big performance in a small package. They achieve flow rates up to 14.4 GPM (54.5 LPM)
Features & Benefits- Designed to meet your OEM application needs
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners
- No-stall operation
- Bolted construction for leak-free fluid handling
ARO EXP 3/4'' Diaphragm Pumps
Part of ARO's Compact Series of pumps, ARO's 3/4” pumps feature big performance in a small package. They offer flow rates up to 14.8 GPM (56 LPM)
Features & Benefits- Designed to meet your OEM application needs
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners
- No-stall operation
- Bolted construction for leak-free fluid handling
ARO EXP 1'' Diaphragm Pumps
ARO EXP 1'' metallic diaphragm pumps achieve flow rates of up to 52.2 GPM (197.6 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in ceramic, industrial, chemical and petrochemical markets.
Features & Benefits- Designed to meet your OEM application needs
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners
- No-stall operation
- Bolted construction for leak-free fluid handling
ARO EXP 1-1/2'' Diaphragm Pumps
ARO 1-1/2'' metallic diaphragm pumps achieve flow rates of up to 123.1 GPM (465.9 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in paint, oil and gas, chemical and petrochemical markets.
Features & Benefits- Designed to meet your OEM application needs
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners
- No-stall operation
- Bolted construction for leak-free fluid handling
ARO EXP 2'' Diaphragm Pumps
ARO EXP 2'' non-metallic pumps achieve flow rates of up to 184 GPM (696.4 LPM)
Features & Benefits- Designed to meet your OEM application needs
- Manufactured for complete corrosion resistance - constructed with polypropylene center body, standard stainless steel fasteners
- No-stall operation
- Bolted construction for leak-free fluid handling
ARO EXP Series 3 in Pumps
- The best "Total Cost of Ownership" of any diaphragm pump on the market today!!
- The Ultimate in heavy duty pump design!!
ARO 1/2 in Classic Diaphragm Pumps
- Motor design delivers optimum air efficiency
- Bolted construction for leak-free fluid handling
ARO Drum Pump Packages
Drum Pump Packages contain pre-specified, matching materials of construction for complete fluid compatibility
Features & Benefits- Stall-free operation
- Bolted construction
- 5-year warranty
ARO Flap Valve Diaphragm Pumps
- Able to handle 2'' semi-solids and 3/4'' solid materials.
- Simul-Shift™ valve provides ultra-positive, reliable shift signal
- ARO's patented 'Unbalanced' air valve ensures no-stall operation
ARO Fuel Transfer Diaphragm Pumps
Designed specifically for high-volume transfer, bulk-unloading, or fueling applications. These pumps meet UL 79 specification code and are compatible with gasoline, aviation fuel, diesel fuel, fuel oil and kerosene.
Features & Benefits- Designed specifically for dispensing petroleum-based fuel
- Meet UL-79 specification code
- Compatible with gasoline, diesel fuel, kerosene, aviation fuel, fuel oil and unleaded fuel
- Used for high-volume transfer, bulk-unloading or refueling applications