Graco Husky 2150 air-operated double diaphragm (AODD) metal pump, part number DF3911, aluminium fluid section and aluminium center section, with polypropylene seats, PTFE balls and a PTFE/EPDM 2-piece diaphragm (PP/PTFE/PTFE configuration). Fluid ports are 2 in. (51 mm) NPT(f). Maximum free-flow delivery 150 gpm (568 lpm) at up to 120 psi (8.4 bar) fluid pressure. The metal-body counterpart of the polypropylene Husky 2150 (DF2911).
| Brand | Graco |
| Range | Husky 2150 (air-operated double diaphragm), metal |
| Part number | DF3911 |
| Configuration code | PP/PTFE/PTFE (seat / ball / diaphragm) |
| Fluid section material | aluminium |
| Center section material | aluminium |
| Seat material | Polypropylene |
| Ball material | PTFE |
| Diaphragm material | PTFE/EPDM 2-piece |
| Diaphragm compatible material | PTFE |
| Manifold configuration | end port |
| Manifold O-ring material | PTFE |
| Maximum fluid working pressure | 120 psi (8.4 bar, 0.84 MPa) |
| Maximum free-flow delivery | 150 gpm (568 lpm) |
| Maximum pump speed | 145 cpm |
| Maximum size pumpable solids | 0.25 in (6.3 mm) |
| Maximum operating temperature (Graco product page) | 200 degF |
| Maximum air consumption | 175 scfm (4.9 m3/min) |
| Air pressure operating range | 20 to 120 psi (1.4 to 8.4 bar, 0.14 to 0.84 MPa) |
| Air inlet size | 1/2 npt(f) |
| Air exhaust port size | 3/4 npt(f) |
| Fluid inlet and outlet size | 2 in (51 mm) npt(f) |
| Weight (aluminium) | 58 lb (26.3 kg) |
| Standards met | ATEX, CE |
| Material | Aluminium (fluid section) |
| Pressure rating | 120 psi (8.4 bar, 0.84 MPa) |
| Temperature range | Maximum operating temperature 200 degF per the Graco product page |
| MOQ | 1 |
Husky 2150 series, 2 in. NPT metal (aluminium) AODD pump — the metal-body counterpart of the polypropylene Husky 2150 (DF2911) and the PVDF Husky 2150 (DF5A11). Seat, ball and diaphragm materials are selected by configuration; confirm fluid compatibility before ordering.