ReviewsDouble Diaphragm Pumps

Seaflo 12V DC 1.2 GPM 35 PSI 21-Series Diaphragm Water Pressure Pump for Caravan/RV/Boat/Marine

The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing.
The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute.
Built-in 35 PSI pressure switch for automatic stop/start.
Self-priming allows it to be mounted above tank.
1.2 gallons per minute (4.2 liters per minute) Built-in thermal protector.

Check Stock

Superior Pump 92181 1HP Stainless Steel and Cast Iron Tethered Float Switch Sump Pump, 1 HP, Silver

Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
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..

Check Stock

Fuelworks Double Diaphragm Transfer Pump 1/2\ inch Nitrile/NBR/Buna-N 12gpm / 45lpm Heavy Duty Aluminium Air Operated Pneumatic for Diesel, Grease, Kerosene and Oil

PUMP SPECS - This Pneumatic Diaphragm Pump has a Flow Rate of 12GPM/45LPM with Self-Priming capabilities.
Max Pressure: 116PSI/8BAR with 1/2" inch Inlet/Outlets, an Air Inlet of 1/4" inch NPT, a Max diameter Solid of 1/8" inch and complete with a pair of PTFE Ball Valves.
EFFICIENT DESIGN and CAPABILITIES - Our Diaphragm Pumps are compact, lightweight and built of an Aluminium body for rigorous applications and the Membrane/O-Rings/Seals/Elastomers are of Nitrile/NBR/Buna-N material.
With a Max Suction Height of: 10ft (3m) and Max Head of: 164feet (50m) for professional applications.
SAFETY and PROPER USE - The Fuelworks Diaphragm Transfer Pump is to be mounted upright during operation for user safety.
This pump is designed specifically for Fuel Transfer of [Non-Flammable Liquids like: Diesel, Grease, Kerosene and Oil] (DO NOT USE FOR GASOLINE, Bio-Diesel, Windscreen and Similar Chemicals).

Check Stock

Air Operated Double Diaphragm Pump QBK-15 1/2 inch Outlet 12 GPM Pneumatic Transfer Max 115 PSI Industrial Use for Chemical Waste Oil Dual Dissepiment PTFE Nitrile Rubber by Cast Iron Aluminum Alloy

【INDUSTRIAL QBK-15】Material:Cast iron,aluminum alloy,Stainless steel.Inlet Port: 1/2 inch.
【EXCELLENT EFFICIENCY】Double diaphragm pump motor design delivers optimum air efficiency.Double Diaphragm:PTFE, Nitrile Rubber and Polychloroprene..
【RELIABILITY】 Diaphragm pump unbalanced air valve ensures no-stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance..
【SAFETY】 Air diaphragm pump bolted construction for leak-free fluid handling..
【VARIOUS INDUSTRIES】Diaphragm pump can petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive and other chemical industries..

Check Stock

Air 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

【INDUSTRIAL QBY4-25L】Material:aluminum.
Dissepiment Material:Nitrile Bubber,Fluorine Rubber,Chloroprene Rubber.
Suction: 23 ft(7M).Can not use for corrosive liquid..
【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..
【EXCELLENT PERFORMANCE】Double Diaphragm Pump 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..
【RUGGED CONSTRUCTION】 Diaphragm Pump resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling..
【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, automoti....

Check Stock

Happybuy Air-Operated Double Diaphragm Pump 1 inch Inlet/Outlet 30GPM Polypropylene Max 120PSI for Chemical and Industrial Use

Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
Sturdy & Leak-proof Construction: The diaphragm pump housing is made of polypropylene 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..

Check Stock

Zodiac G3 Automatic Suction-Side Pool Cleaner Vacuum for In-ground Pools

works with low-speed pumps for maximum efficiency..
Devours small and medium-sized debris and cleans floor, walls and steps of your entire pool..
FlowKeeper Valve automatically regulates water flow to maintain peak cleaning performance even with lower horsepower pumps..
Wheel Deflector for movement around tight corners..
Scuff-resistant Long-Life Hoses eliminate scuffs on all pool surfaces..
36-Fin Disc increases adhesion to pool surface and avoids getting hung-up on lights, drains covers, fittings and other pool features..
Durable Long-Life Diaphragm with reliable, one-moving-part-technology.
Patented Quick-Release Cassette provides simplified routine maintenance..

Check Stock

Barnes 115369 Model SP75AX Submersible Cast Iron Sump Pump – 3/4 HP, 4,800 GPH, 20' Cord, Piggy Back Mechanical Float Switch, For Residential Use

Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
Sturdy & Leak-proof Construction: The diaphragm pump housing is made of polypropylene material, bolted against leakage, sturdy, and corrosion-proof for long-time use..
Excellent Air-operated Performance: Inlet/Outlet Port Size: 1/2 inch.
Air Inlet Size: FNPT 1/4 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..

Check Stock

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

Premium Double Nitrile Diaphragms: Our air-operated double diaphragm pump adopts nitrile diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
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..

Check Stock

Happybuy Air-Operated Double Diaphragm Pump 1 inch Inlet Outlet Aluminum 35 GPM Max 120PSI for Industrial Use, QBY4-25LF46-1inch-35

Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
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..

Check Stock

Fill-Rite FR1220HDSQ 12V 15 GPM Fuel Transfer Pump with Discharge Hose, Automatic Nozzle – Green, & Swivel | Gasoline, Diesel, Kerosene, Ethanol & Methanol Blends & Biodiesel

Premium Double Nitrile Diaphragms: Our air-operated double diaphragm pump adopts nitrile diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃.
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: 2 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..

Check Stock