Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & PTFE Diaphragm & 24 GPM Flow Rate Our self-priming diaphragm pump features an all-bolted aluminum alloy body and double PTFE diaphragms, sturdy and corrosion-proof, without leakage. Sealed ball valves and non-stall operation provides outstanding performance. It is perfect for transferring viscous and flammable fluids. Our top of the line self-priming diaphragm pump will ensure your operations are flowing smoothly. Premium Double PTFE Diaphragms Excellent Air-operated Performance Unique & Professional Designs Key Features 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