Pump With Diaphragms of 2025
Best Choice1
emageneAir 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
Main highlights- 【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.
- 【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.
- [ 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.
9.9Exceptional
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Value for Money2
FVMOTOAir Operated Double Diaphragm Pump 1 inch Inlet/Outlet Pneumatic Waste Oil Transfer Pump for Chemical QBY4-25L 35 GPM Dual Diaphram Polypropylene Nitrile Rubber by Stainless Steel Iron 115 PSI
Main highlights- 【WASTE OIL TRANSFER】Max grain diameter allowed to pass is 4mm.Suits for transfer waste oil and some liquid with particles.Max flow rate:35 GPM.Suction: 23 ft. Head: 246 ft.Max pressure: 115 psi.
- 【STAINLESS STEEL BODY】Air operated diaphragm pump body made of stainless steel, aluminum alloy and cast iron.Air diaphragm pump bolted construction for leak-free fluid handling.
- 【PNEUMATIC DIAPHRAGM PUMP】Air inlet size:1/2 inch.Gas Nozzle:0.32 inch with silencer.Diaphragm pump unbalanced air valve prevents stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance.
- 【DOUBLE DIAPHRAM】Chloroprene rubber and nitrile rubber;polypropylene dual dissepiment.Double diaphragm pump motor design delivers optimum air efficiency.
- 【1 INCH PORT】Double diaphragm pump with 1 inch inlet and 1 inch outlet.Exit pressure is 8 kgf/cm³.
- BEFORE USE【Please check and tighten the screws first before use to avoid water leakage】
9.8Exceptional
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3
PEAYLIAir 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
Main highlights- VARIOUS INDUSTRIES: Diaphragm pump can petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive and other chemical industries
- SAFETY: Air diaphragm pump bolted construction for leak-free fluid handling. ease of use/comfortability
- RELIABILITY: Diaphragm pump unbalanced air valve ensures no-stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance
- 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
9.7Exceptional
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4
SHURFLOShurflo 8000-543-238 On Demand 12VDC Diaphragm Pump With Pressure Switch For Heavy Duty Agricultural Spraying & Fluid Transfer, 1.8GPM, 100PSI, Self-Priming, Viton Valves, Back-Flow Check Valve
Main highlights- Viton Valves
- 12 volt
- 100 psi
- 1.8 galons per minute
9.4Excellent
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5
PEAYLIAir 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
Why we love it
Durable construction for long-lasting performance.
Efficient operation with minimal downtime.
Versatile use across multiple industries.
9.3Excellent
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6
Dollate19% OffDollate Air Operated Double Diaphragm Pump 1/2 nch Inlet/Outlet，QQBK-15 12 GPM Dual Diaphram, Air Diaphragm Pump Dual Diaphragm Air Pump 12 GPM Max 115PSI，Nitrile, Pneumatic Waste Oil Transfer Pump
Main highlights- WIDELY USED: diaphragm pumps can handle a variety of fluids, such as waste oil, petrol, beverages and so on. It is widely used in various industries such as petroleum, metallurgy, printing, water treatment and automobile, etc
- STURDY AND LEAK-PROOF STRUCTURE: The diaphragm pump casing is made of aluminium alloy and is fixed with full bolt structure to ensure a strong bond between components, which is leak-proof, sturdy and corrosion-resistant for long term use
- PREMIUM PTFE DIAPHRAGMS: Air-operated diaphragm pumps feature double-layer PTFE diaphragms for reliability and the ability to handle viscous or abrasive fluids. Efficiently handles corrosive fluids
- 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
- ATTENTION: The transport process may cause some loosening of the fasteners, which is normal, after receiving the diaphragm pump, please check and tighten each screw to avoid leakage
9.2Excellent
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7
VEVORVEVOR 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
Main highlights- 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!
- 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.
- 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!
9.1Excellent
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8
EverfloEverflo EF5500-BOX 5.5GPM 12V Diaphragm Pump-1/2 FNPT Connection, 5.5 GPM, Black
8.0 lasts a long time8.0 Easy installation8.0 Simple to useWhy we love it
Handles high flow rate and pressure efficiently.
Self-priming feature ensures easy startup.
Corrosion-resistant materials for long-lasting durability.
9.0Excellent
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9
LAPPPLSPAir Operated Double Diaphragm Pump, 12 GPM Dual Diaphragm Air Pump Pneumatic Waste Oil Transfer Pump for Chemical, 1/2 Inch Inlet/Outlet
Main highlights- WIDE COMPATIBILITY - Widely used in various industries, such as petroleum, metallurgy, mining, printing, paper making, coating material, water treatment, automotive etc. Cannot be used for corrosive liquids.
- SAFE & DURABLE - The air diaphragm pump features bolted construction for leak-free fluid handling, and unbalanced air valve prevents stall operation.
- RUGGED CONSTRUCTION - Air operated diaphragm pump body is made of plastic, cast iron, stainless steel and aluminum alloy, resists corrosion for long life.
- PNEUMATIC DIAPHRAGM PUMP - Inlet/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.
- DOUBLE DIAPHRAM - PTFE, Nitrile Rubber and Polychloroprene dual dissepiment. Double diaphragm pump motor design delivers excellent air efficiency.
8.8Very Good
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10
CozyelCozyel Air-Operated Diaphragm Pump Double Diaphragm Pump 1 inch Inlet & Outlet, Air Diaphragm Pump Dual Diaphragm Air Pump Aluminum 35 GPM Max 120PSI, QBY4-25L
Main highlights- [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.
- [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.
- [Quality Performance]--Maximum Head: 275.59FT/84M, Max Temp : 150 ℉, Max Pressure: 120PSI. Top quality glyd ring, a double-acting seal that delivers better performance. 1/2 inch air inlet with NPT fitting uses standard shop air for easy operation.
- [MAIN PARAMETER]--Material: Aluminum; Diaphragm Material: Nitrile; Type: Double diaphragm; Operation Type: Air-operated; Inlet/Outlet Port Size/Standard 1 inch (25 mm); Air Inlet Size: NPT 1/2 inch (12.7 mm)
- [EXCELLENT CONSTRUCTION]--Rugged construction - resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling.
8.6Very Good
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