• 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: 120 psi; Max. Flow Rate：79.6 GPM; Max Head Lift：275.6 ft/84 m.
• 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: DN25PN10 Flange Connection; 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 Chemical Industrial 1 Inch Inlet And Outlet
Sturdy Polypropylene Body
PTFE Double Diaphragm
Professional Air-Operated Designs
Sealed Ball Valve
Handle Various Material
Versatile Uses
Suction: 0-5 m (0-16.4 ft),Outlet Port: 1 inch (25 mm),Inlet Port: 1 inch (25 mm),Air Inlet Size: 1/2 inch (12.7 mm),Max Flow Rate: 79.2 GPM,Self-Priming Dry: 3 m (10 ft),Type: Double diaphragm,Body Material: Polypropylene,Max Suspended Solids: 3 mm (1/8 inch),Model: QBY4-25PP,Self-Priming Wet: 4.6 m (15 ft),Max PSI: 120 psi,Max Head: 84 m (275.59 ft)