Graco Husky 2150 air-operated double diaphragm (AODD) metal pump, part number DF3977, aluminium fluid section and aluminium center section, with Polypropylene seats, Buna-N balls and a Buna-N diaphragm (PP/BN/BN configuration). Fluid ports are 2 in. (51 mm) NPT(f). Maximum free-flow delivery 150 gpm (568 lpm) at up to 120 psi (8 bar) fluid pressure. Graco factory model name: Husky 2150 AL 2 in. (51 mm) NPT Standard Pump, AL Center Section, PP Seats, BN Balls & BN Diaphragm.
| Brand | Graco |
| Range | Husky 2150 (air-operated double diaphragm), metal |
| Part number | DF3977 |
| Configuration code | PP/BN/BN (Polypropylene seat / Buna-N ball / Buna-N diaphragm) |
| Type | Pneumatic (air-operated) double diaphragm pump |
| Fluid section material | aluminium |
| Center section material | aluminium |
| Seat material | Polypropylene |
| Ball material | Buna-N |
| Diaphragm material | Buna-N |
| Manifold configuration | end port |
| Manifold O-ring material | PTFE |
| Maximum fluid working pressure | 120 psi (8 bar, 0.84 MPa) |
| Maximum free-flow delivery | 150 gpm (568 lpm) |
| Maximum pump speed | 145 cpm |
| Maximum size pumpable solids | 0.25 in (6.35 mm) |
| Maximum operating temperature (Graco product page) | 150 degF (66 degC) |
| Maximum air consumption | 175 scfm |
| Air pressure operating range maximum | 120 psi (8 bar) |
| Air inlet size | 1/2 npt(f) |
| Air exhaust port size | 3/4 npt(f) |
| Fluid inlet and outlet size | 2 in (50.8 mm) npt(f) |
| Weight (aluminium) | 58 lb |
| Standards met | ATEX, CE |
| Material | Aluminium (fluid section) |
| Pressure rating | 120 psi (8 bar, 0.84 MPa) |
| Temperature range | Maximum operating temperature 150 degF (66 degC) per the Graco product page for this Buna-N diaphragm configuration |
| MOQ | 1 |
Husky 2150 series, 2 in. NPT metal (aluminium) AODD pump — the metal-body counterpart of the polypropylene Husky 2150 (DF2911). Seat, ball and diaphragm materials are selected by configuration (PP/BN/BN); confirm fluid compatibility before ordering.