Product Description
The Graco D31255 Husky 307 is a pneumatic air-operated diaphragm pump featuring a 3/8 inch NPT fluid inlet and polypropylene center section with acetal seats, TPE balls, and TPE diaphragm. This compact unit delivers up to 7 gpm free flow rate and operates on as little as 20 psi.
- Air inlet: 1/4 inch female NPT
- Fluid inlet: 3/8 inch NPT
- Air exhaust port: 3/8 inch
- Maximum operating pressure: 100 psi (0.7 MPa, 7 bar)
- Maximum operating temperature: 150 degrees F
- Overall height: 8.13 inches
- Stall-free low pulsation air valve for smooth, rapid changeover
- Quick and easy assembly and disassembly design
- Easy-to-service air valve and ball checks
- Compatible with antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, water, and wastewater treatment fluids
- Every pump tested prior to shipping
Typical applications include oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, and water and antifreeze dispense. Some models are UL-approved for pumping gasoline and gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil. Available at Next Day Fittings.