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.
Narrow By
25 Products
SKU: ARO EXP 1/4'' Diaphragm Pumps
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)
- Compact Design
- 360º Mounting Versatility when using optional flex checks
- Creates a 31-feet of suction lift
- Ideal for OEM Applications
SKU: ARO EXP 3/8'' Diaphragm Pumps
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)
- 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
SKU: ARO EXP 1/2'' Diaphragm Pumps
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)
- 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
SKU: ARO EXP 3/4'' Diaphragm Pumps
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)
- 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
SKU: ARO EXP 1'' Diaphragm Pumps
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.
- 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
SKU: ARO EXP 1-1/2'' Diaphragm Pumps
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.
- 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
SKU: ARO EXP 2'' Diaphragm Pumps
ARO EXP 2'' Diaphragm Pumps
ARO EXP 2'' non-metallic pumps achieve flow rates of up to 184 GPM (696.4 LPM)
- 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
SKU: ARO EXP Series 3 in Pumps
ARO ARO EXP Series 3 in Pumps 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!!
SKU: ARO 1/2 in Classic Diaphragm Pumps
ARO ARO 1/2 in Classic Diaphragm Pumps 1/2 in Classic Diaphragm Pumps
- Motor design delivers optimum air efficiency
- Bolted construction for leak-free fluid handling
SKU: ARO Drum Pump Packages
ARO Drum Pump Packages
Drum Pump Packages contain pre-specified, matching materials of construction for complete fluid compatibility
- Stall-free operation
- Bolted construction
- 5-year warranty
SKU: ARO Flap Valve Diaphragm Pumps
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
SKU: ARO Fuel Transfer Diaphragm Pumps
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.
- 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
SKU: ARO High Pressure Diaphragm Pumps
ARO High Pressure Diaphragm Pumps
ARO high pressure air diaphragm pumps were developed for applications requiring fluid pressures in excess of the 100 psi allowed by traditional pumps. Compared to a standard diaphragm pump, the 3:1 ratio high pressure diaphragm pump can produce up to 300 psi at about half the flow rate.
- Can produce up to 300 psi, at about half the flow rate of a standard diaphragm pump by utilizing two power pistons that drive the fluid handling diaphragms
- Generates nearly 300 psi on standard 100 psi shop air
- Stall-Free
- deal transfer of paint recirculation and high solid coatings, inks, adhesives, filled material, drilling grout, caulking, solvent reclamation and resins
SKU: ARO Powder Transfer Diaphragm Pumps
ARO Powder Transfer Diaphragm Pumps
Transfer and handle your dry process powders faster, cleaner and at a fraction of the cost associated with installed “systems.” Consistent trouble-free transfer of powders up to 45-lbs.
- Replaces Manual Powder Processes
- Reduce Airborne Contamination - With direct transfer from the powder container to your recipe
- Unique Patented Air-Induction System - Avoids the possibility of powder pack-out
- Portable - Can be moved from site to site
SKU: ARO Sanitary Transfer Pumps
ARO ARO Sanitary Transfer Pumps Sanitary Transfer Pumps
- All Investment Cast Wetted Parts
- Constructed of FDA Accepted Materials
SKU: ARO Centrifugal Dewatering Diaphragm Pumps
ARO Centrifugal Dewatering Diaphragm Pumps
Air Sump pump that can handle a wide variety of debris-laden applications
- Simple design, few moving parts
- Adjustable impeller and impeller cover help maintain peak performance
- Ultra-rugged body construction insures durability
- Lightweight and extremely portable
SKU: ARO Pit Boss Diaphragm Pumps
ARO ARO Pit Boss Diaphragm Pumps Pit Boss Diaphragm Pumps
Ideal for Dewatering and Solids-Handling. ARO has taken the patented technologies and proven designs and added features to make their dewatering and solids-handling pumps the first choice for general industrial, mining, and construction professionals worldwide.
- Ideal answer to big volume applications where performance is a must
- Patented 'unbalanced' air valve eliminates stalling and freezing
- Easy access to ball checks and fluid caps for easy maintenance and repair
- Comfort grip handles allow maximum portability
SKU: ARO PW Diaphragm Pumps
ARO PW Diaphragm Pumps
- Fits your current Wilden or Versa-Matic pump configuration
- Fits Wilden® P4, M4 and T4 pumps or Versa-Matic® E4 pump configurations.
- Offers a dimensional interchange solution to inefficient, leaking pumps.
SKU: ARO Flex-Check 3/8 Diaphragm Pumps
ARO ARO Flex-Check 3/8 Diaphragm Pumps Flex-Check 3/8 Diaphragm Pumps
- Maximum Temperature: Up to 350 Degrees Farenheight
- Non-Metallic Pump
SKU: Graco Husky 205 Plastic Diaphragm Pumps
Graco Husky 205 Plastic Diaphragm Pumps
- Spring check valves for superior priming
- Remote control option using an external controller
SKU: Graco Husky 307 Plastic Diaphragm Pumps
Graco Husky 307 Plastic Diaphragm Pumps
- Air-Operated Double Diaphragm Pump
- Easy-to-service air valve and ball checks
SKU: Graco Husky 515 Plastic Diaphragm Pumps
Graco Husky 515 Plastic Diaphragm Pumps
- Air-Operated Double Diaphragm Pump
- Easy-to-service air valve and ball checks
SKU: Graco Husky 716 Aluminum Diaphragm Pumps
Graco Husky 716 Aluminum Diaphragm Pumps
- Air-Operated Double Diaphragm Pump
- Easy-to-service air valve and ball checks
SKU: Graco Husky 1590 Diaphragm Pumps
Graco Husky 1590 Diaphragm Pumps
- 1.5 inch Positive Displacement Double Diaphragm Pump
- Easy-to-service air valve and ball checks