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Diaphragm Pumps

Diaphragm pumps are reliable and versatile solutions designed to handle various applications, ranging from transferring abrasive chemicals and viscous slurries to delicate fluids in sensitive processes.

These pumps operate by moving a flexible diaphragm (or series of diaphragms), creating a sealed chamber for precise and efficient liquid transfer. With their leak-free performance and ability to handle aggressive, corrosive, or shear-sensitive materials, diaphragm pumps are widely used in industries such as chemical processing, pharmaceuticals, food and beverage, agriculture, and water treatment.

Key Features of Diaphragm Pumps

  1. Leak-Proof Design: Engineered to prevent fluid leakage, ensuring clean and safe operation even with corrosive or hazardous materials.
  2. High Versatility: Capable of handling liquids, slurries, and solids of varying viscosities without compromising performance.
  3. Self-Priming: Effortlessly starts pumping even in challenging conditions, eliminating the need for manual priming.
  4. Dry Running Capability: Operates without damage when running dry, enhancing reliability in demanding environments.
  5. Chemical Resistance: Constructed with materials that resist corrosive substances, ideal for chemical processing and wastewater applications.
  6. Energy Efficiency: Designed to minimize energy consumption while maximizing flow rates.

Applications of Diaphragm Pumps

Various types of Diaphragm pumps are trusted across industries such as:

  • Chemical and Petrochemical: Safely transferring acids, solvents, and other reactive fluids.
  • Food and Beverage: Pumping viscous products like syrups, sauces, and creams while maintaining hygiene standards.
  • Meat and Poultry Processing: Handling byproducts/waste and offering quick teardown for easy cleaning
  • Agriculture: Spraying fertilizers, pesticides, and other agricultural chemicals.
  • Water Treatment: Handling sludge, wastewater, and chemicals for treatment plants.
  • Pharmaceutical: Supporting sterile and precise processes for liquid medications.
  • Mining: Pumping abrasive slurries and managing dewatering operations.
  • Tree Spraying: Producing the combination of flow and pressure to propel water high enough to reach tall trees

Product Range

Our diaphragm pumps come in various models to suit different industrial needs: Air-operated diaphragm pumps, Direct-drive models, Hydraulic motor-driven pumps, Engine-driven units, and more. With this variety, you can find the perfect pump for your application.

Check out our Diaphragm Pumps below to find one specific to your needs.

433 results found in 1ms
  1. Part No. Pump Type Body Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Price
    Picture of Air Operated Diaphragm Pump, 3/8" FPT Ports, Poly Body, 5.5 GPM, Teflon Diaphragm SKU: VAE8PP5T Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 5.5 Price: CALL FOR PRICE
    Picture of Air Operated Diaphragm Pump, 3/8" FPT Ports, Kynar Body, 5.5 GPM, Teflon Diaphragm SKU: VAE8KP5B Pump Type: Diaphragm Body Material: Kynar Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 5.5 Price: CALL FOR PRICE
    Picture of Air Operated Diaphragm Pump, 3/8" FPT Ports, Poly Body, 6.8 GPM, Santoprene Diaphragm SKU: VAE8PP6X Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 6.8 Price: CALL FOR PRICE
  2. Part No. Description Price
    Picture of Diaphragm Pumps with Hydraulic Motor Drive, Max 19.6 GPM, Max 290 PSI, Inlet 1-1/4" HB, Outlet 1" HB SKU: DUAR70-HYD-PWM Description: Diaphragm Pumps with Hydraulic Motor Drive, Max 19.6 GPM, Max 290 PSI, Inlet 1-1/4" HB, Outlet 1" HB Price: $2,343.00 / EA
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    Picture of Diaphragm Pumps with Hydraulic Motor Drive, Max 28.5 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB SKU: DUAR115-HYD-PWM Description: Diaphragm Pumps with Hydraulic Motor Drive, Max 28.5 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB Price: $2,712.00 / EA
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    Picture of Diaphragm Pumps with Hydraulic Motor Drive, Max 30.8 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB SKU: DUAR120-HYD-PWM Description: Diaphragm Pumps with Hydraulic Motor Drive, Max 30.8 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB Price: $2,645.00 / EA
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    Picture of Diaphragm Pumps with Hydraulic Motor Drive, Max 67.0 GPM, Max 290 PSI, Inlet 2" HB, Outlet 1-1/4" HB SKU: DUAR250-HYD-PWM Description: Diaphragm Pumps with Hydraulic Motor Drive, Max 67.0 GPM, Max 290 PSI, Inlet 2" HB, Outlet 1-1/4" HB Price: $4,035.00 / EA
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    Picture of Diaphragm Pumps with Hydraulic Motor Drive, Max 20.2 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB SKU: DUAR80-HYD-PWM Description: Diaphragm Pumps with Hydraulic Motor Drive, Max 20.2 GPM, Max 290 PSI, Inlet 1-1/2" HB, Outlet 1" HB Price: $2,379.00 / EA
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  5. $128.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Max Diam. Solids Inlet Connection Outlet Connection Max GPM Max PSI Max Temp (Deg. F) Self-Priming
    Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 1/2" Outlet Size: 1/2" Max Diam. Solids: 1/8" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 7 Max PSI: 100 Max Temp (Deg. F): 120 Self-Priming: Yes
  6. $185.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Max Diam. Solids Inlet Connection Outlet Connection Max GPM Max PSI Max Temp (Deg. F) Self-Priming
    Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 1/2" Outlet Size: 1/2" Max Diam. Solids: 1/8" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 7 Max PSI: 100 Max Temp (Deg. F): 120 Self-Priming: Yes
  7. $166.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Flow Rate Max PSI Self-Priming Drive Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 5.3 Flow Rate: 3.8 GPM @ 40 PSI Max PSI: 150 Self-Priming: Yes Drive: Electric Motor Voltage: 12 Series: HD 5500
  8. $239.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Max Diam. Solids Inlet Connection Outlet Connection Max GPM Max PSI Max Temp (Deg. F) Self-Priming
    Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 1/2" Outlet Size: 1/2" Max Diam. Solids: 1/8" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 7 Max PSI: 100 Max Temp (Deg. F): 120 Self-Priming: Yes
  9. $829.00 / EA
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    Seal Material Voltage
    Seal Material: Viton® Voltage: 12
  10. $305.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Max PSI Self-Priming Drive Motor Enclosure Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 7 Max PSI: 60 Self-Priming: Yes Drive: Electric Motor Motor Enclosure: TENV Voltage: 12 Series: FatBoy
  11. Pump Type Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming Drive Voltage
    Pump Type: Diaphragm Inlet Size: 3/4" Outlet Size: 3/4" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 4.5 Self-Priming: Yes Drive: Electric Motor Voltage: 12
  12. $138.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Max PSI Max Temp (Deg. F) Self-Priming
    Pump Type: Diaphragm Body Material: Celcon Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 2.5 Max PSI: 80 Max Temp (Deg. F): 120 Self-Priming: Yes
  13. $179.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Flow Rate Max PSI Self-Priming Drive Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 5.3 Flow Rate: 3.8 GPM @ 40 PSI Max PSI: 150 Self-Priming: Yes Drive: Electric Motor Voltage: 12 Series: HD 5500
  14. $177.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Max PSI Max Temp (Deg. F) Self-Priming
    Pump Type: Diaphragm Body Material: Celcon Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 2.5 Max PSI: 80 Max Temp (Deg. F): 120 Self-Priming: Yes
  15. $345.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming
    Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 1/4" Outlet Size: 1/4" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 3.4 Self-Priming: Yes
  16. Pump Type Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming Drive Voltage
    Pump Type: Diaphragm Inlet Size: 3/4" Outlet Size: 3/4" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 6 Self-Priming: Yes Drive: Electric Motor Voltage: 12
  17. $319.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Max PSI Self-Priming Drive Motor Enclosure Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 7 Max PSI: 60 Self-Priming: Yes Drive: Electric Motor Motor Enclosure: TENV Voltage: 12 Series: FatBoy
  18. $165.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Flow Rate Max PSI Self-Priming Drive Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 3/4" Outlet Size: 3/4" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 5.3 Flow Rate: 3.8 GPM @ 40 PSI Max PSI: 150 Self-Priming: Yes Drive: Electric Motor Voltage: 12 Series: HD 5500
  19. $507.00 / EA
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    Pump Type Body Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming
    Pump Type: Diaphragm Body Material: Polypropylene Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 13 Self-Priming: Yes
  20. $919.00 / EA
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    Seal Material Voltage
    Seal Material: Viton® Voltage: 115
  21. $165.00 / EA
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    Pump Type Body Material Seal Material Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Flow Rate Max PSI Self-Priming Drive Voltage Series
    Pump Type: Diaphragm Body Material: Polypropylene Seal Material: Viton® Inlet Size: 3/4" Outlet Size: 3/4" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 5.3 Flow Rate: 3.8 GPM @ 40 PSI Max PSI: 150 Self-Priming: Yes Drive: Electric Motor Voltage: 12 Series: HD 5500
  22. Pump Type Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming Drive Voltage
    Pump Type: Diaphragm Inlet Size: 3/4" Outlet Size: 3/4" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 4.5 Self-Priming: Yes Drive: Electric Motor Voltage: 115
  23. $789.00 / EA
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    Seal Material Voltage
    Seal Material: EPDM Voltage: 12
  24. Pump Type Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming Drive Voltage
    Pump Type: Diaphragm Inlet Size: 1/2" Outlet Size: 1/2" Inlet Connection: Hose Barb Outlet Connection: Hose Barb Max GPM: 3 Self-Priming: Yes Drive: Electric Motor Voltage: 115
  25. Pump Type Inlet Size Outlet Size Inlet Connection Outlet Connection Max GPM Self-Priming Drive Voltage
    Pump Type: Diaphragm Inlet Size: 3/8" Outlet Size: 3/8" Inlet Connection: FPT Outlet Connection: FPT Max GPM: 2 Self-Priming: Yes Drive: Electric Motor Voltage: 115
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    $39
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