Can it pump gasoline ??

I would not use it for gas as you will get a surging flow of product. If you use a gas nozzle with a trigger handle it may not work. We use it for waste oil, contaminated diesel, gas, and any petroleum products that are a waste product. Best of luck.

I believe the warranty was 1 year. I fill a 55 gallon drum every week with drain oil and use this pump to transfer it. It has been 1 year and still works great.

What size air compressor should I use for this pump?

It would depend on how long of a period of time you want to use it for and what type of fluid you are pumping. I use mine to move drain oil. If I am only moving 5 gallons out of the oil pan my 20 gallon 110v works just fine. If I am unloading my 55 gallon drain oil tank I like to use the 60 gallon 220v compressor simply because it can keep up with the amount of time it takes to empty. If you have something smaller you may need to take breaks and let the compressor build up a little.

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⚡ Pump up your productivity with unstoppable power!

POWERFUL 35 GPM FLOW - Keep your operations running at peak speed with a robust 35 gallons per minute capacity.
DURABLE ALUMINUM BUILD - Engineered with corrosion-resistant aluminum for long-lasting, leak-free performance.
HIGH PRESSURE EFFICIENCY - Operates smoothly at up to 120 PSI, ensuring reliable pumping under demanding conditions.
VERSATILE INDUSTRIAL USE - Perfect for petroleum, water treatment, automotive, and more—adaptable to your toughest jobs.
SMART DUAL DIAPHRAGM DESIGN - Double diaphragm and low pulse air valve minimize downtime and maximize efficiency.

The Cozyel QBY4-25L is a high-performance pneumatic double diaphragm pump featuring a 1-inch inlet and outlet, capable of pumping up to 35 gallons per minute at pressures up to 120 PSI. Constructed from corrosion-resistant aluminum with nitrile diaphragms, it offers durable, leak-proof operation ideal for diverse industrial applications including petroleum fluids, water treatment, and automotive use.

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Model Number	Cozyel-QBY4-25L
Color	1" Inlet & Out, 35 GPM, Aluminum
Material	Aluminum
Batteries Included	No
Product Dimensions	88.9 x 26.01 x 23 cm; 8.5 kg

Cozyel Air Diaphragm Pump Double Diaphragm Pump 1 Inch Inlet & Outlet Air Diaphragm Pump Dual Diaphragm Air Pump Aluminum 35GPM Max 120PSI QBY4-25L

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