• Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 100 psi; Max. Flow Rate: 24 GPM; Max Head Lift: 229.6 ft/70 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.

VEVOR Air-Operated Double Diaphragm Pump, QBY4-25L F46 35 GPM 1 Inch Inlet And Outlet, Max 120 PSI, NPT1/2 inch Air Inlet, Corrosion-Proof Aluminum Dual Diaphragm Air Pump for Chemical Industrial Use
Sturdy Aluminum Alloy Body
PTFE Double Diaphragm
Professional Air-Operated Designs
Sealed Ball Valve
Handle Various Material
Versatile Uses
Suction: 0-5 m (0-16.4 ft),Diaphragm Material: PTFE,Air Inlet Size: NPT 1/2 inch (12.7 mm),Max Flow Rate: 24 GPM,Self-Priming Dry: 3 m (10 ft),Type: Air-operated Double diaphragm,Body Material: Aluminum Alloy,Max Suspended Solids: 3 mm (1/8 inch),Valve Type: Ball,Model: QBY4-25L F46,Self-Priming Wet: 4.6 m (15 ft),Inlet/Outlet Port: 1 inch (25 mm),Average Air Consumption: 38 CFM,Max Head: 229.6 ft/70 m±15%