Air-operated Double Diaphragm Pumps
0.375-inch Plastic AODD Pump Series
A lightweight, portable 0.375-inch plastic air-operated double diaphragm (AODD) pump available in acetal or polypropylene, delivering up to 26.5 L/min (1.56 m³/h) and able to run on air pressure as low as 20 psi (1.4 bar) with quiet 75 dBA operation.
Selection support
- Share flow rate, pressure, medium, temperature and material requirements.
- We can support pump selection, dosing package configuration and spare parts matching.
- Detailed English datasheets and quotations are available for priority models on request.
Technical details
Lightweight and easy to carry.
- Available in acetal and polypropylene materials
- Flow rate up to 7 gpm (26.5 L/min)
- Operates on air pressure as low as 20 psi (1.4 bar)
- Air valve and ball seats are easy to service
- Low running noise — 75 dBA at 50 psi and 60 cpm
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum working fluid pressure | 100 psi (7 bar, 0.7 MPa) |
| Maximum free flow rate | 26.5 L/min (1.56 m³/h) |
| Fluid displacement per cycle | 0.020 gal (0.06 liters) |
| Maximum cycle rate | 330 cpm |
| Maximum solids size | 1/16 in. (1.6 mm) |
| Maximum self-priming lift (dry), D31255 | 12 ft (3.7 m) |
| Maximum air consumption | 6.0 scfm (0.17 m³/min) |
| Sound level at 50 psi and 50 cpm | 75 dBA |
| Air inlet size | 1/4 in. NPT (f) |
| Fluid inlet/outlet size | 3/8 in. NPT (f) |
| Wetted parts — acetal pump | Acetal with SST fibers, and PTFE |
| Wetted parts — polypropylene pump | Polypropylene and PTFE |
| Diaphragms | PTFE, TPE, Santoprene, Buna-N |
| Balls | PTFE, 316 SST, TPE, Santoprene, Buna-N |
| Ball seats | Acetal, 316 SST, or Polypropylene |
| Weight — acetal | 5.2 lbs. (2.4 kg) |
| Weight — polypropylene | 4.75 lbs. (2.2 kg) |
| Operating manual | 308-553 |
Maximum self-priming lift and other values vary according to the specific combination of valve seats, balls and diaphragms.