The Graco D52977 is a 1/2-inch Husky 515 air-operated double-diaphragm pump configured with a polypropylene pump housing, a polypropylene centre body, and NPT connections. Its wetted configuration uses Buna-N diaphragms, Buna-N balls, and polypropylene seats.
Graco D52977 configuration
- Pump family: Graco Husky 515
- Port size: 1/2 in
- Connection: NPT
- Pump housing: Polypropylene
- Centre body: Polypropylene
- Diaphragms: Buna-N
- Balls: Buna-N
- Seats: Polypropylene
Husky 515 pump features
The Husky 515 air-operated double diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover. The bolt through fluid cover design eliminates leaks and makes the Husky safer with higher reliability.




