The Best Diaphragm Pumps

Looking for the best Diaphragm Pumps?

Discover now our comparison of the best Diaphragm Pumps. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Diaphragm Pumps are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Diaphragm Pumps in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Air Operated Double Diaphragm Pump QBY4-25L 1 inch Outlet 35 GPM Pneumatic Transfer Max 120 PSI Industrial Use Chemical Waste Oil Dual Dissepiment Nitrile Fluorine Rubber by Cast Iron Aluminum Alloy

【INDUSTRIAL QBY4-25L】Material:aluminum; Dissepiment Material:Nitrile Bubber,Fluorine Rubber,Chloroprene Rubber; Type: double diaphragm; Operation Type: Air-operated; Inlet/Outlet Port Size: 1 inch (25mm); Air Inlet Size: NPT 1/2 inch (12.7mm); Flow Rate: 35 GPM; Max Head Lift: 275 ft(84 M); Suction: 23 ft(7M).Can not use for corrosive liquid.
【MAXIMUM HEAD】Air-Operated Double Diaphragm Pump have top quality, a double-acting seal that delivers better performance. 1/2 inch air inlet with NPT fitting uses standard shop air for easy operation.275.59FT/84M, Max Temp : 150 ℉, Max Pressure: 120 PSI.
【EXCELLENT PERFORMANCE】Double Diaphragm Pump features an externally serviceable air distribution system and all-bolted construction. Modular air valve is stall-free, this low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes down time.
【RUGGED CONSTRUCTION】 Diaphragm Pump resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling.
【WIDELY USE】The diaphragm pump with convenient operating are widely used in various industries, such as petroleum, metallurgy, mining, coating material, paint, printing, paper making, water treatment, automotive etc.

No. 2

VEVOR Air Operated Double Diaphragm Pump, 44GPM, Max 115PSI Air Waste Oil Pneumatic Transfer Pump with 2 Extra Diaphragms, 1-1/2 inch Inlet & Outlet Aluminum Alloy Diaphragm Pump for Diesel Grease Oil

Solid & Leak-Proof Design: Our air-operated double diaphragm pump housing is crafted with aluminum alloy and secured with a full-bolted structure, promising an unwavering bond between components for top-notch sealing. Bid farewell to oil lubrication and fear of dry running, and our pump is designed for enduring performance and rigorous, long-term use. Get ready to experience a pump that's as tough as your demands!
Premium PTFE Diaphragm: Our air operated diaphragm pump features state-of-the-art dual-layer PTFE diaphragms for exceptional corrosion resistance. These diaphragms excel in the harshest environments, handling corrosive fluids with unparalleled efficiency. Max. Flow Rate: 44 GPM. Max. Pressure: 115 PSI. Max. Head Lift: 226 ft/69 m. Ready to experience the difference? Let's power up your productivity!
Exceptional Pneumatic Performance: Elevate your fluid handling with our air diaphragm pump! It boasts standard inlet/outlet dimensions of 1.5 inches and an air inlet size of FNPT 1/4 inch, designed to seamlessly integrate with your existing pipelines and fittings, enhancing its pneumatic performance. Embrace the power of professional pneumatic design in your operations today!
Low Noise Operation: Our air transfer pump comes with an advanced silencer that minimizes noise to the lowest possible level, not only enhances the comfort of your working environment but also significantly reduces vibration and noise impact on the equipment itself, extending its lifespan. The detachable design for effortless maintenance and cleaning reduces your upkeep costs. Enjoy a quieter and more efficient workspace!
Fit for Multiple Fluids: Our waste oil pump is capable of processing a wide array of fluids from waste oil, alcohol, hydraulic oil, gasoline, diesel, and detergents to beverages. Its extensive applications span industries including petroleum, metallurgy, mining, coatings, printing, water treatment, and automotive. Whatever your industry, whatever your fluid, our diaphragm pump is engineered to handle it with unmatched efficiency and reliability.

No. 3

15 Consomer Reviews

Air Operated Double Diaphragm Pump QBK-15 1/2 inch Outlet 12 GPM Pneumatic Transfer Max 115 PSI Industrial Use for Chemical Waste Oil Dual Diaphram PTFE Nitrile Rubber by Plastic and Stainless Steel

INDUSTRIAL QBK-15: Material:Cast iron,aluminum alloy,Stainless steel.Inlet Port: 1/2 inch;Outlet Port: 1/2 inch ;Air inlet size: 1/4 inch;Gas Nozzle: 0.32 inch;Max Flow Rate: 2 m3/h (12 GPM);Suction: 16.4 ft (5M);Max Head: 226 ft (69 M);Max PSI: 115 psi
EXCELLENT EFFICIENCY: Double diaphragm pump motor design delivers optimum air efficiency.Double Diaphragm:PTFE, Nitrile Rubber and Polychloroprene
RELIABILITY: Diaphragm pump unbalanced air valve ensures no-stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance
SAFETY: Air diaphragm pump bolted construction for leak-free fluid handling. ease of use/comfortability
VARIOUS INDUSTRIES: Diaphragm pump can petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive and other chemical industries

SaleNo. 4

Chapin International 6-9206 12V 1.0 GPM Diaphragm Pump, Black

SELF-PRIMING PUMP: liquid stays inside the pump body on this diaphragm pump, combating air pockets that can limit operation, allowing you to run the pump dry without damage and operate efficiently
DIAPHRAGM PUMP: no shaft or seals to replace with a diaphragm pump so it’s designed to last
ENGINEERED IN THE USA: designed and engineered in the USA with US-based customer service and technical support; based in Batavia, NY and backed a 2-year limited warranty
CHEMICAL-RESISTANT ELASTOMER SEALS: chemical-resistant seals stand up to harsher chemicals and tough tasks ranging from gardens and acreage to cleaning and industrial work
SLIDE-LOCK HOSE CONNECTIONS: switch the pump quickly when a replacement is needed with slide-lock hose connections and in-line fuse protection; keep a spare on hand to swap out on the go
UNIVERSAL MOUNTING BASE: pump fits most ATV sprayers and connections with a universal mounting base

No. 5

Air Operated Double Diaphragm Pump 1 inch Inlet/Outlet Pneumatic Waste Oil Transfer Pump for Chemical QBY4-25 35 GPM Dual Diaphram Polypropylene Teflon by Stainless Steel Iron 115 PSI

[ INDUSTRY QBY4-25AL] material: aluminum body; santoprenediaphragm comes with an Extra Set of Diaphragms material: rubber, type: double diaphragm; operation type: pneumatic; inlet/outlet port size: 1 inch (25 mm) ; inlet port SINPT (8 mm) ; flow rate: 35 gpm; Maximum lift: 275 feet (84 m) ; suction: 23 feet (7 m) . Do not use in corrosive liquids.
【MAXIMUM HEAD】Air-Operated Double Diaphragm Pump have top quality, a double-acting seal that delivers better performance. 1/2 inch air inlet with NPT fitting uses standard shop air for easy operation.275.59FT/84M, Max Temp : 150 ℉, Max Pressure: 120 PSI.
【MAIN FEATURES】: no lubrication, medium and pump moving parts completely separated, conveying chemical waste oil liquid will not leak, low energy consumption, low air consumption, Modular design, low maintenance costs, long service life, good heat resistance.
【ADVANTAGES】: no spark, no liquid suction will not damage the pump, flow and head can be adjusted by valve switch size, suction can be adjusted by pressure, can be immersed in the medium work, high viscosity and low viscosity liquids can be extracted.
【WIDELY USE】The diaphragm pump with convenient operating are widely used in various industries, such as petroleum, metallurgy, mining, coating material, paint, printing, paper making, water treatment, automotive etc.

No. 6

Cozyel Air-Operated Diaphragm Pump Double Diaphragm Pump 1-1/2 inch Inlet & Outlet, Air Diaphragm Pump Dual Diaphragm Air Pump Aluminum Alloy 44 GPM Max 115PSI, QBK_40L

Air-Operated Double Diaphragm Pump 12GPM 1-1/2Inch Inlet And Outlet. The diaphragm pump features an externally serviceable air distribution system and all-bolted construction, with convenient operating, are widely used in various industries, such as petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive etc.
A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve, butterfly valves, flap valves, or any other form of shut-off valves) to pump a fluid.
Good abrasion resistance and heat resistance.
Rugged construction - resists corrosion for reliable performance and long life.Bolted construction is designed for leak-free fluid handling.
Easy access to ball checks and fluid caps for maintenance and repairs.

No. 7

FAHKNS Air-Operated Double Diaphragm Pump 1 Inch Inlet Outlet Aluminum 35 GPM Max 115 PSI, Industrial Use,Nitrile Diaphragm, QBY4-25L

PREMIUM DOUBLE DIAPHRAGM: Material:aluminum; Dissepiment Material:Nitrile Bubber,Fluorine Rubber,Chloroprene Rubber; Type: double diaphragm; Operation Type: Air-operated; Inlet/Outlet Port Size: 1 inch (25mm); Air Inlet Size: NPT 1/2 inch (12.7mm); Flow Rate: 35 GPM
SUPER PNEUMATIC PERFORMANCE: Air-Operated Double Diaphragm Pump have top quality, a double-acting seal that delivers better performance. 1/2 inch air inlet with NPT fitting uses standard shop air for easy operation.275.59FT/84M, Max Temp : 150 ℉, Max Pressure: 115 PSI
SOLID LEAK -PROOF STRUCTURE: Diaphragm Pump resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling
EXCELLENT PERFORMANCE: Double Diaphragm Pump features an externally serviceable air distribution system and all-bolted construction. Modular air valve is stall-free, this low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes down time
WIDELY USED: The diaphragm pump is easy to operate and widely used in paper making, water treatment, automobile, coating, paint, printing, petroleum, metallurgy, mining and other industries

No. 8

ECO-WORTHY 110V AC Fresh Transfer Diaphragm Water Pump On Demand 5.5GPM 70PSI High Pressure Water Booster Pump 110 Volt with Pressure Switch for Irrigation Garden Hose Sprinkler Home RV

Diaphragm Pump Specifications: 110V AC water pump features 5.5 gallons per minute water flow, the pressure switch is set to 70PSI, Self-Priming up to 9.8 vertical feet, lift up to 131 feet. 1.6 Max amps; excellent performance in all aspects
Upgraded Pressure Switch: It lasts longer. For any pressure switch problems, we will provide all effective after-sales service. Water supply when the faucet is opened, and power off when the faucet is closed, 70PSI. Pressure enough for daily use, it also can adjust according to your needs
Quieter & Safer Design: Thermal overload protection is built into the water pump to make it safe to use. When the temperature is above 70℃/ 158℉, it will automatically disconnect the circuit to protect the motor
Widely Compatible: Continue running for more than 1 hour. This pump is a high pressure pump and used for spraying down items, such as boat decks, driveways, and cleaning off parts
Your First Choice: We always pay attention to customer shopping experience. If you have any doubts, you can always talk to us through the order form. We will always be here

No. 9

8 Consomer Reviews

Graco 241906 3/4 Double Diaphragm Pump, Air Operated

Use for Oil Transfer, Oil Evacuation, Water, Antifreeze, & Windshield Wash Solution
Max Air Use at 100 PSI: 28 SCFM
Air Inlet: 1/4" NPT, Fluid Inlet/Outlet: 3/4"
Free Flow: 16 GPM

No. 10

Happybuy Air-Operated Double Diaphragm Pump, 1/2 in Inlet & Outlet, Stainless Steel Body, 8.8 GPM & Max 120PSI, PTFE Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel, Oil & Low Viscosity Fluids

♔【MAIN PARAMETER】~Material: Stainless steel; Type: Double diaphragm; Operation Type : Air-operated; Inlet/Outlet Port Size/Standard：1/2"; Air Inlet Size [in]：1/4".
♔【Quality Performance】~Maximum Head：196. 85FT/60M, Max Pressure: 115PSI/8BAR. Top quality glyd ring, a double-acting seal that delivers better performance. 1/4 inch air inlet with NPT fitting uses standard shop air for easy operation.
♔【UNIQUE DESIGN】~Features an externally serviceable air distribution system and all-bolted construction. Modular air valve is stall-free, this low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes down time.
♔【EXCELLENT CONSTRUCTION】~Rugged construction - resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling.
♔【VERSATILE USE】~The diaphragm pump with convenient operating are widely used in various industries, such as petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive etc.

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Last update on 2025-04-10 / Affiliate links / Images from Amazon Product Advertising API

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