Top Air Diaphragm Reviews

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..
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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..
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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..
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TABODD Air Operated Double Diaphragm Pump QBY-15Z 1/2 inch Outlet Inlet 12 GPM Pneumatic Transfer Pump 115 PSI Industrial Pump Pneumatic Double Diaphragm Pump for Chemical Waste Oil Cast Iron

  • A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm to pump a fluid..
  • In the pump two symmetrical working chamber each equipped with a diaphragm, the center link will be integrated into one. Compressed air from the pump inlet into the valve, through the valve body to introduce compressed air into one of the chamber to promote movement of the diaphragm chamber, while the other chamber gas emissions..
  • Once the end of the stroke is reached, the gas distribution mechanism automatically introduces compressed air into the other working chamber to push the diaphragm in the opposite direction so that the two diaphragms move back and forth in unison..
  • EXCELLENT CONSTRUCTION - Resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling. Easy access to ball checks and fluid caps for maintenance and repairs..
  • VERSATILE USE - The diaphragm pump with convenient operating are widely used in various industries, such as petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive etc..
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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..
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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..
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SCITOO 6340GPH Submersible Sump Pump 1.5 HP Industrial Sewage Cutter Grinder Cast iron Pump Included Float Switch

  • 【MAIN PARAMETER】This 24 GPM Air-Operated Double Diaphragm Pump with 1 Inch Inlet And Outlet. This powerful air-operated double diaphragm pump operates from 29 to 115 PSI. Features a 1in. inlet and 1in. outlet..
  • 【EXCELLENTCONSTRUCTION】Rugged construction - resists corrosion for reliable performance and long life. Bolted construction is designed for leak-free fluid handling. Easy access to ball checks and fluid caps for maintenance and repairs..
  • 【VERSATILE USE】The diaphragm pump with convenient operating are widely used in various industries, such as petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive etc.Warning!Can not use for corrosive liquid..
  • 【UNIQUE CAPABILITIES】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..
  • 【SAFETY & PROPER USE】The Diaphragm Transfer Pump is to be mounted upright during operation for user safety. This pump is designed specifically for Fuel Transfer of [ low viscosity petroleum fluids including diesel, kerosene, motor oil and some waste oil.].
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Happybuy Air-Operated Double Diaphragm Pump, 1/2 in Inlet & Outlet, Polypropylene Body, 8.8 GPM & Max 120PSI, PTFE Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel, Oil & Low Viscosity Fluids

  • 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..
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Happybuy Air-Operated Double Diaphragm Pump, 1/2 in Inlet & Outlet, Polypropylene Body, 13.2 GPM & Max 120PSI, PTFE Diaphragm Pneumatic Transfer Pump for Petroleum, Diesel, Oil & Low Viscosity Fluids

  • 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 (12.7 mm).
  • Air Inlet Size: FNPT 1/4 inch (6.35 mm). 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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Happybuy Air-Operated Double Diaphragm Pump 2 inch Inlet & Outlet Aluminum Alloy Body 158.4 GPM & Max 120PSI Nitrile Diaphragm Transfer Pump for Petroleum Diesel Oil and Low Viscosity Fluids

  • 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..
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Happybuy Air-Operated Double Diaphragm Pump 1/2 in Inlet & Outlet Stainless Steel Body 8.8 GPM & Max 120PSI PTFE Diaphragm Pneumatic Transfer Pump for Petroleum Diesel Oil & Low Viscosity Fluids

  • 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 stainless steel 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..
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Happybuy Air-Operated Double Diaphragm Pump 1/2 in Inlet & Outlet Cast Iron Body 8.8 GPM & Max 120PSI Nitrile Diaphragm Pneumatic Transfer Pump for Petroleum Diesel Oil & Low Viscosity Fluids

  • 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 cast iron 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..
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Scubapro MK19 EVO/D420 Dive Regulator System

  • The MK19 EVO first stage with air balanced diaphragm is paired with the next-generation D420 balanced second stage for natural breathing and diving comfort in all dive scenarios..
  • Air-balanced Progressive Flow Control Valve delivers abundant airflow with an natural smoothness comparable to breathing above water..
  • Inner winglets within the D420's case direct airflow towards the exhaust valve dramatically improving exhalation effort, while a diaphragm lower in the casing takes advantage of the pressure gradient in the upright position for easier breathing..
  • The Dive/Pre-Dive System adjusts the direction of the airflow right out of the valve by adjusting the thumb tab switch on top of the casing..
  • Ideal for waters containing lots of suspended particles or silt, the compact MK19 EVO first stage's air-balanced diaphragm delivers effortless airflow unaffected by depth, tank pressure, or breathing rate..
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