The Graco DB4666 is a 1-1/2-inch Husky 1590 air-operated double-diaphragm pump configured with a 316 stainless steel pump housing, an aluminium centre body, and NPT connections. Its wetted configuration uses Santoprene diaphragms, Santoprene balls, and Santoprene seats.
Graco DB4666 configuration
- Pump family: Graco Husky 1590
- Port size: 1-1/2 in
- Connection: NPT
- Pump housing: 316 Stainless Steel
- Centre body: Aluminium
- Diaphragms: Santoprene
- Balls: Santoprene
- Seats: Santoprene
Husky 1590 pump features
The Husky 1590 air-operated diaphragm pump features a patented, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions.




