Product Description
The Graco DB3666 Husky 1590 is an air-operated diaphragm pump featuring a patented high-reliability closed center air valve that is online serviceable. This aluminum center section pump delivers up to 5 times longer diaphragm life compared to competitive air-operated diaphragm pumps in its class, with an epoxy-coated air section designed for tough environmental conditions.
- Air inlet: 1/2 in. NPT female
- Fluid inlet: 1-1/2 in. NPT
- Air exhaust port: 3/4 in. female
- Maximum air pressure: 120 psi (8 bar, 0.8 MPa)
- Maximum fluid pressure: 120 psi (8 bar, 0.8 MPa)
- Maximum operating temperature: 150 F
- High flow capacity: 100 gpm (378 lpm)
- Aluminum center section with Santoprene seats, balls, and diaphragm
- Lube-free operation, fewer parts than industry peers
- Air valve is externally accessible for quick, easy service without pump removal
The DB3666 Husky 1590 handles antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, and wastewater transfer applications. Compact and portable design ideal for industrial fluid transfer and pumping tasks. Available at Next Day Fittings for fast industrial delivery.