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black VEVOR air-operated diaphragm pump with metal frame and connection ports VEVOR air-operated diaphragm pump displayed with oil drums in an industrial setting. VEVOR air-operated diaphragm pump with aluminum alloy body, corrosion-proof, leak-proof. VEVOR air-operated diaphragm pump with double nitrile diaphragms, self-priming function. VEVOR air-operated diaphragm pump with 1 inch ports and sealed ball valve in industrial setting VEVOR air-operated diaphragm pump for waste oil, alcohol, hydraulic fluid, and more. VEVOR air-operated diaphragm pump shown with dimensions and application scenarios.
YBGMBQBY4-25L0001V0

VEVOR Air-Operated Double Diaphragm Pump 1 inch Inlet Outlet Aluminum 35 GPM Max 120PSI, Nitrile Diaphragm, QBY4-25L-1inch-35

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About this item

  • Premium Double Nitrile Diaphragms: Our air-operated double diaphragm pump adopts nitrile diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 100 psi; Max. Flow Rate: 22 GPM; Max Head Lift:239.5 ft/73 m±15%.
  • Sturdy & Leak-proof Construction: The diaphragm pump housing is made of aluminum alloy material, bolted against leakage, sturdy, and corrosion-proof for long-time use.
  • Excellent Air-operated Performance: Inlet/Outlet Port Size: 1 inch; Air Inlet Size: FNPT 1/2 inch. A high-quality glyd ring, the double-acting sealing, strengthens air performance.
  • Unique & Professional Designs: Our double diaphragm pump features an externally available air distribution system. The modular air valve is stainless. This low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes downtime.
  • Wide Applications: This diaphragm pump can handle various fluids, such as waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drink, and so on. It is widely used in many industries, such as petroleum, metallurgy, mining, coating, printing, water treatment, and automobile.

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VEVOR Air-Operated Double Diaphragm Pump 1 inch Inlet Outlet Aluminum 35 GPM Max 120PSI, Nitrile Diaphragm, QBY4-25L-1inch-35
VEVOR air-operated diaphragm pump in front of an industrial background.
VEVOR air-operated diaphragm pump with black casing and multiple bolts visible
Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & Nitrile Diaphragm & 22 GPM Flow Rate Our self-priming diaphragm pump features an all-bolted aluminum alloy body and double nitrile diaphragms, sturdy and corrosion-proof, without leakage. Sealed ball valves and non-stall operation provides outstanding performance. It is perfect for transferring viscous and flammable fluids. Our top of the line self-priming diaphragm pump will ensure your operations are flowing smoothly.
Premium Double Nitrile Diaphragms
Excellent Air-operated Performance
  • Unique & Professional Designs
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
solid VEVOR air-operated diaphragm pump with aluminum alloy body and bolted construction.
Sturdy Aluminum Alloy Body
The shell of the air-operated diaphragm pump adopts aluminum alloy construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 100 psi.
VEVOR air-operated diaphragm pump with nitrile double diaphragm, 150°f max temp, 100 psi.
Nitrile Double Diaphragm
The self-priming pump features double nitrile diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate: 22 GPM; Max Head Lift: 239.5 ft/73 m±15%.
VEVOR air-operated diaphragm pump with labeled ports and air inlet on industrial background.
Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 1 inch; Air Inlet Size: FNPT 1/2 inch.
VEVOR air-operated diaphragm pump with sealed ball valve, 73m head, 22gpm flow rate.
Sealed Ball Valve
It is easily accessible to ball checks and fluid caps for maintenance and repairs. In addition, the motor design delivers optimum air efficiency. An “Unbalanced" air valve ensures no-stalling during operation.
VEVOR air-operated diaphragm pump handles waste oil, alcohol, hydraulic fluid, ink, drinks, detergent, gasoline, diesel, water.
Handle Various Material
This air-operated diaphragm pump can transfer many viscous and flammable fluids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drinking water, and so on.
VEVOR air-operated diaphragm pump with wide applications in industry and beverages.
Versatile Uses
The double diaphragm pump has applications in various industries like petroleum, metallurgy, mining, coating. printing, water treatment, automobile, etc.
black VEVOR air-operated diaphragm pump with dimensions 12.5" x 8.6" x 7.3".
Specifications
  • Model: QBY4-25L
  • Type: Air-operated Double diaphragm
  • Diaphragm Material: Nitrile
  • Body Material: Aluminum Alloy
  • Inlet/Outlet Port: 1 inch (25 mm)
  • Air Inlet Size: NPT 1/2 inch (12.7 mm)
  • Max Flow Rate: 22 GPM
  • Max Head: 239.5 ft/73 m±15%
  • Valve Type: Ball
  • Suction: 0-5 m (0-16.4 ft)
  • Max Suspended Solids: 3 mm (1/8 inch)
  • Average Air Consumption: 38 CFM
  • Self-Priming Dry: 3 m (10 ft)
  • Self-Priming Wet: 4.6 m (15 ft)
black VEVOR air-operated diaphragm pump front view with dual chambers and pipe fittings
Package Content
  • 1 x Air-Operated Double Diaphragm Pump
  • 1 x Product Manual
VEVOR air-operated diaphragm pump in front of an industrial background.
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
  • Premium Tough Quality
  • Incredibly Low Prices
  • Fast & Secure Delivery
  • 30-Day Free Returns
  • 24/7 Attentive Service
VEVOR air-operated diaphragm pump with black casing and multiple bolts visible
Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & Nitrile Diaphragm & 22 GPM Flow Rate Our self-priming diaphragm pump features an all-bolted aluminum alloy body and double nitrile diaphragms, sturdy and corrosion-proof, without leakage. Sealed ball valves and non-stall operation provides outstanding performance. It is perfect for transferring viscous and flammable fluids. Our top of the line self-priming diaphragm pump will ensure your operations are flowing smoothly.
Premium Double Nitrile Diaphragms
Excellent Air-operated Performance
  • Unique & Professional Designs
solid VEVOR air-operated diaphragm pump with aluminum alloy body and bolted construction.
Sturdy Aluminum Alloy Body
The shell of the air-operated diaphragm pump adopts aluminum alloy construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 100 psi.
VEVOR air-operated diaphragm pump with nitrile double diaphragm, 150°f max temp, 100 psi.
Nitrile Double Diaphragm
The self-priming pump features double nitrile diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate: 22 GPM; Max Head Lift: 239.5 ft/73 m±15%.
VEVOR air-operated diaphragm pump with labeled ports and air inlet on industrial background.
Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 1 inch; Air Inlet Size: FNPT 1/2 inch.
VEVOR air-operated diaphragm pump with sealed ball valve, 73m head, 22gpm flow rate.
Sealed Ball Valve
It is easily accessible to ball checks and fluid caps for maintenance and repairs. In addition, the motor design delivers optimum air efficiency. An “Unbalanced" air valve ensures no-stalling during operation.
VEVOR air-operated diaphragm pump handles waste oil, alcohol, hydraulic fluid, ink, drinks, detergent, gasoline, diesel, water.
Handle Various Material
This air-operated diaphragm pump can transfer many viscous and flammable fluids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drinking water, and so on.
VEVOR air-operated diaphragm pump with wide applications in industry and beverages.
Versatile Uses
The double diaphragm pump has applications in various industries like petroleum, metallurgy, mining, coating. printing, water treatment, automobile, etc.
black VEVOR air-operated diaphragm pump front view with dual chambers and pipe fittings
Package Content
  • 1 x Air-Operated Double Diaphragm Pump
  • 1 x Product Manual
black VEVOR air-operated diaphragm pump with dimensions 12.5" x 8.6" x 7.3".
Specifications
  • Model: QBY4-25L
  • Type: Air-operated Double diaphragm
  • Diaphragm Material: Nitrile
  • Body Material: Aluminum Alloy
  • Inlet/Outlet Port: 1 inch (25 mm)
  • Air Inlet Size: NPT 1/2 inch (12.7 mm)
  • Max Flow Rate: 22 GPM
  • Max Head: 239.5 ft/73 m±15%
  • Valve Type: Ball
  • Suction: 0-5 m (0-16.4 ft)
  • Max Suspended Solids: 3 mm (1/8 inch)
  • Average Air Consumption: 38 CFM
  • Self-Priming Dry: 3 m (10 ft)
  • Self-Priming Wet: 4.6 m (15 ft)

Air-Operated Double Diaphragm Pump for Versatile Fluid Handling

The VEVOR air-operated double diaphragm pump is an excellent tool for fluid handling. It handles various fluids, from water to viscous materials like asphalt seal and acrylic coatings. The pump's strong construction ensures durability and reliability in different applications, including industrial use, and it can manage thick polymers and abrasive materials. This makes it suitable for industries where you need fluid transfer. Our pump is dependable due to its consistent performance. We provide efficient fluid transfers in many settings. From construction to manufacturing, this versatile device is useful in multiple industries. Our pump’s design ensures that it can handle tough jobs without frequent breakdowns on your job. So, it can meet challenging jobs with no frequent failures at all times.


Cost-Effective and Efficient 1 inch Inlet Outlet Pump

This pump offers a cost-effective solution for fluid transfer. Its efficient design ensures minimal maintenance, reducing long-term costs. The 1-inch inlet and outlet ports allow for easy integration into existing systems. This feature makes it a pliable choice for businesses looking to optimize their operations. Our affordable price does not compromise its performance. You get a high flow rate and strong suction. So, it works efficiently in various applications. Therefore, this cost-effectiveness makes the pump an attractive option for budget-conscious buyers. We offer value for money with reliable performance and low maintenance needs.


Durable and High-Performance Aluminum Diaphragm Pump

Its aluminum body ensures durability and stability. This construction makes it resistant to wear and tear, even in demanding environments, and it has high-performance capabilities, making it suitable for continuous industrial use. The pump's robust build ensures it can handle heavy fluids without damage. Due to its reliability in tough conditions, it is a reliable tool for businesses. Additionally, the aluminum structure also provides flexibility during operations. So this durability ensures that the pump stays functional for extended periods.


Powerful 35 GPM Diaphragm Pump for Quick Fluid Transfer

The maximum flow rate of 35 GPM is powerful. It ensures quick and efficient fluid transfer, saving time and resources. This high flow rate makes it suitable for applications requiring rapid movement of fluids. The pump's strong performance is consistent, even with thick materials. It is ideal for industrial settings because it can handle large volumes of fluid. This efficiency ensures businesses can complete tasks quickly. The pump's power makes this tool reliable for fluid transfer needs.


Reliable 120PSI Diaphragm Pump for High-Pressure Applications

It has a handling capacity of up to 120PSI, making it reliable. It is suitable for high-pressure applications, ensuring effective fluid movement. The feature makes it a dependable tool in demanding environments. Our pump's consistent performance under pressure ensures it meets operational needs. Its reliability in tough jobs also makes this a top choice for businesses. This high-pressure capability ensures the pump can handle intense tasks. You need strong pressure to handle tough job situations. Reliable Solution: The pump’s reliability means it can manage tough jobs without issues.


Easy-to-Use and Maintain Diaphragm Pump

It is designed for ease of use and maintenance. Its simple operation ensures minimal training is required. The pump's easy maintenance reduces downtime and associated costs. Hence, it’s practical for various users. Our user-friendly design makes it functional with minimal upkeep. This ease of use makes the pump accessible to many users, too. You can trust its reliability with basic care. You should be ready when making any changes to fluid transfer needs.


Fast and Efficient Fluid Transfer with Self-Priming Capability

Its self-priming capability ensures rapid and efficient fluid transfer. It can quickly draw fluid into the system, enhancing its performance. This feature makes it suitable for applications that require quick start-up. The pump's efficient flow transfer saves time and resources. With its self-priming capabilities, it operates effectively without external help. This efficiency ensures businesses can complete tasks promptly. Our pump’s fast fluid transfers make it an excellent tool for various industries. You can trust it to handle fluid transfer needs.


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Specification

Model
QBY4-25L
Type
Air-operated Double diaphragm
Diaphragm Material
Nitrile
Body Material
Aluminum Alloy
Inlet/Outlet Port
1 inch (25 mm)
Air Inlet Size
NPT 1/2 inch (12.7 mm)
Max Flow Rate
22 GPM
Max Head
239.5 ft/73 m±15%
Valve Type
Ball
Suction
0-5 m (0-16.4 ft)
Max Suspended Solids
3 mm (1/8 inch)
Average Air Consumption
38 CFM
Self-Priming Dry
3 m (10 ft)
Self-Priming Wet
4.6 m (15 ft)
Questions and Answers
7 Questions
what pump will handel coldtar with silica sand
This can be used, but is prone to breakage.
By vevor
WILL THIS PUMP USED OIL MOTOR OIL
It is ideal for use with low viscosity petroleum fluids including diesel, kerosene, motor oil and some waste oil.
By vevor
Will this pump mud or masonary concrete?
This can not pump mud or masonary concrete.
By vevor
Will this pump work well with flammable liquids?
Yes, it will work well for flammable liquids.
By vevor
where can i locate repair kits for Pump to purchase.
We do not sell parts separately. All our products have a 12 month warranty and if there is a problem with your purchase during the warranty period, we can send you a replacement part free of charge(In the case of parts that are not consumable). Please click the following link to contact us: https://www.vevor.com/pages/contact-us.
By vevor

Customer Reviews

Ratings by Features

  • 4.8
  • 4.7
  • 4.7
  • 4.7
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31 Review(s)
Clear filters
KT KT
Fleet Mgr.
Easy to order. Part arrived on time. Installed and working like a charm. Easy to order. Part arrived on time. Installed and working like a charm. Easy to order. Part arrived on time. Installed and working like a charm. Easy to order. Part arrived on time. Installed and working like a charm.
David David
President
Works Good for our application of removing garnet from our water jet tank and would recommend this to anyone needed to pump garnet
Pumpy Mc Pumpanator 5000 Pumpy Mc Pumpanator 5000
This thing really SUCKS! And Pumps!
The pumpinest pump i have ever pumped with, as a Hip Hop veteran the beats it makes while sucking and pumping are worth the investment, However it pumps so fast there is not much time to compose lyrics to the beats. Pumpy Mc Pumpanator 5000
Grease Grease
Equipment manager
Very nice product. Delivery was fast, packaged very well. Easy to install and works better than expected.
Jeremy Carnahan Jeremy Carnahan
Owner Operator
This Dual Pump Air Diaphragm was perfect for my seal coating business. Works great highly recommend.
TYs heavy Repair TYs heavy Repair
Fleet Manager
Hi just want to say your pump is doing great out in the field, the shipment was great, and the cost were great Thank you
Tommy Tommy
Facilities Maintenance
Seams to be a very good pump, we are using it to pump old oil from one container to another, seams to be working very well so far.
Edward Becerra Edward Becerra
Durable and pumps strong
I bought this pump for asphalt sealcoat on my tank. It pumps excellent. Asphalt sealcoat is a thicker emulsion that is used to protect pavement. This pump handles it with no issues pumping at 90 psi.
VEVOR Customer VEVOR Customer
Work perfect great price
Work perfect great price
Erm Erm
Shop Supervisor
Works great for the application we are using it for. It's a strong pump and fits perfectly to the tank we mounted it to.

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