10 BEST DIAPHRAGM PUMPS for sale in 2024 – compare between the best diaphragm pumps on sale.

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1
Happybuy Air-Operated Double Diaphragm Pump 1/2 inch Inlet Outlet Cast Iron 12 GPM Max 120PSI for Chemical Industrial Use, QBK-15-1/2inch-12
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Product Highlights
  • ♔MAIN PARAMETER~Material: Cast Iron; Type: Double diaphragm; Operation Type : Air-operated; Inlet/Outlet Port Size/Standard:1/2"; Air Inlet Size [in]:1/4".
  • ♔Quality Performance~Maximum Head:226FT/69M, 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.

$119.99
2
SEAFLO 110V 3.3 GPM 45 PSI Water Diaphragm Pressure Pump - 4 Year Warranty!!! with Plug for Wall Outlet
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Product Highlights
  • 4 Year Warranty from Authorized Seaflo USA Dealer!!!
  • 3.3 Gallons Per Minute flow, 45 psi Self Priming
  • Includes standard three prong outlet plug
  • 1/2" Threaded NPT Inlet/Outlet - includes 1/2" Barbed Hose Adapters - Mesh Inlet Strainer

$99.99
3
Everflo EF5500 12V Diaphragm Pump Boxed with 1/2' NPT Ports, 5.5 GPM
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Product Highlights
  • 12V pump that can handle up to 5. 5GPM & 60 psi
  • Self priming up to eight feet
  • Approved For use with agricultural applications
  • Fiberglass-reinforced polypropylene pump manifold with ½” FNPT Port

$125.45
4
SEAFLO 55-Series Diaphragm Pump - 12V DC, 5.5 GPM, 60 PSI
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Product Highlights
  • 12V Self-Priming Water Pressure Pump
  • 5.5 GPM and 60 PSI
  • New robust pressure switch
  • Thermal overload and ignition protection

$119.99
5
SOFEDY Heavy Duty Double Diaphragm Transfer Pump 1/2' 13GPM Max. 100PSI Polypropylene Air Operated Pneumatic for Diesel, Kerosene, Motor Oil and Waste Oil
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Product Highlights
  • HIGH PERFORMANCEGood abrasion resistance, chemical resistance, and heat resistance.
  • ENVIRONMENTALLY SOUNDBolted construction for leak-free fluid handling.
  • HIGH EFFICIENCYMotor design delivers optimum air efficiency.
  • RELIABILITYUnbalanced air valve ensures no-stall operation.

$174.63
6
ECO-WORTHY Water Diaphragm Self Priming Pump, 45PSI 4.5GPM 17L/min High Pressure Water Pump 110V with Filter for Caravan, RV, Boat, Marine, Agriculture Applications
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Product Highlights
  • The bypass switch was built-in pump, 110V voltage can be directly connected to household electricity.
  • Can be used in all equipment which need to strengthen the water pressure, such as: household water heater and shower sprinkler.
  • The maimum flow rate of this 4 cavity diaphram pump can be 17L/minute.
  • Self-absorption, can fry operating in short time, reliable function and lower flow rate.

$69.99
7
Cozyel 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
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Product Highlights
  • [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)
  • [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.
  • [EXCELLENT CONSTRUCTION]~Rugged construction - resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling.
  • [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.

$278.99
8
DC HOUSE 33-Series Industrial Water Pressure Pump, 110V 3.0 GPM 45 PSI Water Diaphragm Pump Power Plug for Bathroom Sprinkler Faucet Agricultural Irrigation
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Product Highlights
  • ☛ENHANCED PERFORMANCEAC 110V water pressure diaphragm pump 3.0GPM 45PSI and lift up 98 feet. The diaphragm pump retains the low power and pressure settings of the original series, and can also be used in environments that do not require large flow.
  • ☛SELF-PRIMING Our industrial water pressure pump are self-priming up to 9.8 vertical feet, allow for usage even if located above water tank.Automatically turn on the water tap, stops when turn off the water tap.
  • ☛SAFETY FRONT OF MINDUL 778 & CSA 22.2 Certified. This pump has a built-in adjustable pressure switch that turns on/off at 45 PSI. We ensured that our replacement pump complied with global quality and safety standards.
  • ☛WIDELY USEDIt is the best partner for Faucet. The pump can also be used in garden sprinklers, showers, spraying pesticides, fertilizers, insect sprays.

$69.99
9
Everflo EF1000-BOX 12V Diaphragm Pump Hose Barb, 1.0, GPM, 3/8' Npt Port
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Product Highlights
  • Included Components: Desoldering Pump
  • Power Source Type: DC

$32.95
10
24V 0.4-1L/min Pump-Diaphragm Pump Miniature Diaphragm Pump Vacuum Pump For Air/Liquid
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Product Highlights
  • High PracticalityMicro vacuum pump controls the inlet and outlet of the diaphragm, forms the drive mechanism after the power drive to drive the reciprocating movement of the piston, and drives the diaphragm back and forth through the hydraulic pressure to work to suck and discharge the liquid.
  • Scope Of ApplicationThis air pump can reach stream rate of 0.4-1L/min, and suitable for long working time below 3Bar.
  • Sturdy And DurableWater pump with small size, strong structure, and long serving life.
  • High StabilityChemical stability, could withstand dry rotation, durable and free maintenance.

$27.69

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