Delivery to
Your Address
VEVOR US EN/ USD
Select the country/region, language, and currency you prefer for shopping.
Hello, Sign in
Account & Order
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
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
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
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
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
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
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
+13
More
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 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
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 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
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 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
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 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
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 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
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 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
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 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
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 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
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 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
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 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
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 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
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 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

Features & Details

  • 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 1/2 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.

Frequently Bought Together

Reviews 4.1
All reviews are from verified purchases
Average rating based on 23 reviews

Charles Turner
Reviewed on Mar 13,2026
Our old big pump was so heavy, it took two people to lift it, we could only use it in one spot, super inconvenient. This pump is the perfect weight, the aluminum body is solid but not bulky, I can move it easily by myself, even as a woman. I can take it to any bay in the shop, the warehouse, or outdoors, total flexibility. Even though it’s light, it doesn’t sacrifice any performance, the flow rate and pressure are more than enough. So practical.
See Less
See More
Josiah Evans
Reviewed on Mar 13,2026
We run a small diesel refueling station, and our old pump was always breaking down, costing us business every time it failed. Since we switched to this pump, it’s been incredibly reliable. We start and stop it constantly every day, it’s been running for over 6 months with zero breakdowns, and the flow rate stays consistent, no drop off over time. The air-operated design is safe and compliant, the seals are tight with no fuel fumes, maintenance is simple, and it comes with spare parts, so no downtime for our business. Perfect for small fuel stations.
See Less
See More
Maverick Phillips
Reviewed on Mar 13,2026
I’ve been burned by pumps with falsely advertised specs so many times, I did my research before buying. As soon as I received it, I tested it, and the 44GPM flow rate and 115PSI max pressure are exactly as advertised, no exaggeration at all. The waste oil transfer efficiency matches the specs perfectly, no false claims. The aluminum alloy is thick and solid, not the thin flimsy metal you get from cheap brands, the build quality is excellent. VEVOR didn’t let me down, I’ll be buying all my pumps from them from now on.
See Less
See More
Thomas Gomez
Reviewed on Mar 13,2026
This was my first time buying a diaphragm pump, I had a ton of questions before ordering, and customer service answered every single one patiently, even gave me tips for installation and use, super thoughtful. After I received it, I couldn’t figure out how to install a small part, I sent a video, and they sent a step-by-step tutorial right away, I had it fixed in minutes. The pump itself works amazing, great flow rate, no leaks, and the reliable customer service makes it even better. 100% 5-star review!
See Less
See More
Lincoln Roberts
Reviewed on Mar 13,2026
My biggest pet peeve is leaky pumps, they leave oil all over the floor that’s impossible to clean up. We went through multiple pumps that couldn’t fix the leaking issue, and this one delivers zero leaks, perfectly. We’ve used it daily for 4 months, with everything from thin diesel to thick gear oil, not a single drip from the ports or the pump body. Our floor stays clean, no more wiping up oil spills every day. The seal quality is top tier, total peace of mind.
See Less
See More
Dylan Carter
Reviewed on Mar 13,2026
We bought a cheap pump before, it only handled thin fluids, and completely died when we tried to use it with thick grease and lubricants. This pump is night and day. It not only moves diesel and waste engine oil smoothly, it also handles high-viscosity industrial grease and gear oil with zero issues, plenty of pressure and consistent flow, no clogging. The 1-1/2 inch large ports prevent blockages, we’ve tested it with all kinds of fluids over 2 months, and it handles everything perfectly. Incredibly versatile.
See Less
See More
Gabriel Campbell
Reviewed on Mar 13,2026
I do short-distance diesel transport, and our old pump was always leaking, which was wasteful and unsafe. We’ve been using this pump for 5 months now, and not a single leak. The seals are absolutely perfect, no mess during loading and unloading, the high flow rate cuts our tank loading time nearly in half. The air-operated design means no electrical hookup, we can use it right on the truck, super convenient. It’s also light enough for one person to load and unload, perfect for transport work.
See Less
See More
Theodore Rivera
Reviewed on Mar 13,2026
We get below zero temperatures in the winter up north, and our old pump would always stall and fail to start in the cold. This pump is a totally different story. We used it outdoors in the winter to change tractor oil, it fired up immediately with the air supply, no stalling at all. It even handles thick gear oil smoothly in the cold, no loss of suction. The aluminum alloy body holds up to freezing temps, no cracking. We used it all winter with zero startup issues, highly recommend for anyone in cold climates.
See Less
See More
Luke Adams
Reviewed on Mar 13,2026
I compared a bunch of pumps with the same specs, and the big name brands were twice the price. I took a chance on this VEVOR pump, and it completely blew me away. The tested flow rate and pressure match the specs exactly, it performs just as well as the big brand pump we used before. The aluminum alloy build is thick and well-made, and it comes with 2 extra diaphragms, so we don’t have to buy spare parts separately. After 2 months of heavy use, zero issues. Total bang for your buck, you can’t go wrong with this one.
See Less
See More
Julian Green
Reviewed on Mar 13,2026
I’m in the waste oil recycling business, and my biggest pain points were clogged pumps and inconsistent suction. This pump has been absolutely amazing! It handles waste engine oil and diesel with minor impurities smoothly, no clogs at all, and the suction stays strong the entire time, no dying mid-transfer. The 44GPM flow rate lets us hit more stops every day, the aluminum body is tough enough to haul around daily, and the extra diaphragms keep maintenance costs low. I’ve already recommended it to everyone in the business.
See Less
See More
See all 23 reviews

About this item

Product specification
Item Model Number
QBK-40L
Max. Flow Rate
44 GPM
Max. Pressure
115 PSI
Max. Head Lift
226 ft/69 m
Max. Suction Lift
16.4 ft/5 m
Max. Grain Dia
0.2 in /4.5 mm
Body Material
Aluminum Alloy
Diaphragm Material
PTFE
Inlet/Outlet Size
1.5 in
Air Inlet Size
FNPT 1/2in
Net Weight
25.4 lbs /11.5 kg
Description
Air-Operated Double Diaphragm Pump
Boost your performance with our high-flow 44GPM air-operated diaphragm pump! Features a robust aluminum alloy body and full-bolted construction, our air diaphragm pump withstands harsh environments. 1.5'' inlet/outlet and a FNPT 1/2'' air inlet for exceptional adaptability. Let's get pumping!
Our air operated diaphragm pump features an aluminum alloy casing and full-bolted structure, which ensures an exceptionally secure and stable connection between all components, better withstands high pressure and vibration and reduces the risks of failures and leaks due to loose connection.
Our air-operated double diaphragm pump is equipped with a ball valve control, allowing you to precisely manage fluid flow and direction. Its rapid start-stop functionality and effortless maintenance ensure smooth operation and efficient productivity. Let's set the flow for success!
We provide two extra diaphragms to ensure your operations run without interruptions. Crafted from double-layered PTFE, our diaphragms stand up to the toughest challenges. Get ready to experience uninterrupted productivity and reduced maintenance costs with our air diaphragm pump!
Whether it's chemical processing, pharmaceuticals, food production, water treatment, oil and petroleum, or metallurgy, our air transfer pump plays a pivotal role. Unleash the power of reliable liquid transfer with our pump - your partner in achieving operational success across various sectors!

Air Operated Diaphragm Pump with Unmatched Durability and Leak-Proof Design

The VEVOR air-operated diaphragm pump is built to last. The aluminum diaphragm pump housing is strong and reliable. The full-bolted structure ensures a leak-proof design. It eliminates the need for oil lubrication. You won't have any more worries about dry running. This pump is perfect for heavy-duty use, eliminating the hassle of oil maintenance. Our pump excels in demanding tasks with ease due to its robust construction. It becomes a dependable partner for your demanding operations, even in harsh environments. Experience the peace of mind that comes with relying on a reputable pump. And the VEVOR pump has long-term performance.


Premium PTFE Diaphragm Ensures Corrosion Resistance and Efficiency

Our pump features dual-layer PTFE diaphragms. PTFE is known for its corrosion resistance. This makes it ideal for harsh environments. The diaphragm handles corrosive fluids efficiently. With a max flow rate of 44 GPM, it meets high demands. The pump can generate a maximum pressure of 115 PSI. It has a maximum head lift of 226 feet. These specs ensure you get efficient fluid transfer. The diaphragms are built to last, reducing replacement needs. Enjoy smooth operations with our high-flow diaphragm pump. It’s designed to excel in tough conditions.


Exceptional Pneumatic Performance with Effortless Integration

The pump provides high-quality pneumatic performance. It integrates seamlessly with existing pipelines. Standard inlet/outlet dimensions are 1.5 inches. The air inlet size is FNPT 1/2 inch. This makes it easy to fit into your setup. You can easily adapt the pump to any system you have set up or run. The pump improves your fluid handling systems. With its professional pneumatic design, efficiency improves. Get a reliable pneumatic transfer pump that works well with your current equipment. Experience the power of a hygienic and effective pneumatic system. Our pump is built to deliver consistent performance!


Low Noise Operation for a Quieter and More Comfortable Workspace

It has an advanced silencer. This feature minimizes noise levels significantly. It reduces vibration and noise impact on the equipment. Enjoy a quieter workspace with our pump. The low-noise operation enhances comfort. Also, it extends the pump's lifespan by reducing wear. The detachable design allows for easy maintenance. Cleaning is simple and quick, lowering upkeep costs. Invest in a pump that offers both efficiency and comfort to the work environment. Our design ensures a peaceful and productive working environment


Versatile Fluid Handling, Ideal for Various Industries and Fluids

We have a wide range of fluids. Our oil transfer pump is capable of processing waste oils, alcohol, and hydraulic oil. It can process waste oils, alcohol, and hydraulic oil. Then it's also used for gasoline, diesel & detergents as well. This versatile tool provides reliable performance. You can use it in many industries like petroleum, metallurgy, and mining. Our wastewater oil pumps are suitable for all sorts of applications. No matter your industry, our pump excels in coatings, printing, water treatment, and automotive fields where our system meets your requirements. With this pump, you get the best results with unmatched efficiency and reliability. Get a pump that works well in different settings. Trust VEVOR for everything you need to transfer fluid transfers.


Easy Maintenance and Cleaning with Detachable Design

The detachable design makes maintenance easy. Cleaning the pump is simple & quick. This reduces upkeep costs significantly. The pump’s design ensures long-term performance. It’ll be built to handle rigorous use. So, it's perfect for demanding tasks. Our pump has a robust design that guarantees long-term performance in tough environments. Therefore, maintaining the pump ensures it stays in top condition. That means fewer interruptions in your operations. You can enjoy fewer interruptions in operation and get a pump that is as easy to maintain as it is efficient. The removable design saves you time and effort.


High Flow Rate and Max Pressure for Enhanced Productivity

The pump provides you with a high flow rate of 44 GPM. It also offers 115 PSI max pressure, which improves productivity in your operations. The pump’s performance is top-tier. This feature is designed to handle high demands efficiently. Max Head Lift of 226 feet adds to its versatility! You get a dependable pump that boosts your operation. Experience the power of the VEVOR hygienic diaphragm pump.


Product guides and documents
User manual-en (PDF) Review

Questions and Answers (9)

How much can air supply is require to operate this pump
0.7 cubic meters per minute is required.
By vevor
Helpful ( 3 )
How many cfm air compressor required to operate this pump?
Air supply is about 0.6 cubic meters per minute.
By vevor
Helpful ( 2 )
how much air does it use per minute?
I’m not sure. I never noticed how much. But I have done many jobs and this pump is holding up better than the others I have had. Including sealrite. We pumped heavy sand material to normal sealer. I totally recommend it to anyone. Just wash out pump with water within 30 min after job is done. Super powerful pump.
By Alice Ferdinand
Helpful ( 1 )
what temp is this rated for
The rated temperature is 80 degrees Celsius.
By vevor
Helpful ( 1 )
I am working with ethanol at -80 C would this pump be able to handle that
Hello, we are very sorry for the inconvenience, due to the lack of a prototype for the time being, our technicians can not verify your question in time to give an accurate answer, you can refer to the product detail page/manual for more information, thank you for your understanding.
By vevor
Helpful ( 0 )
QDSQGMBLHJ15NT76JV0

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

4.1 23 Reviews
$ 174 90
Earn at least 2% points on purchases or save up to 15%. <span style="color: transparent;">FREE to join</span>
Each when you buy 0+. Shop
Get -% off for new user
Get $5.00 Off $99.00+ Orders on Your First 3 App Orders.
Download Now
Add product protection
Accident and warranty protection by Xcotton (partner with AIG)
In Stock

Security & Privacy
100% Secure payment
Secure privacy
FREE Returns
30-day Free Returns
Refund for lost packages / damaged items
Professional Service
12-months warranty
Customer Support

Compare with similar items

Similar Items You Might Like

People Who Bought This Item Also Bought

Best sellers in this category

People Who Viewed This Item Also Viewed

Your Browsing History