Air-operated Double Diaphragm Pumps
0.5-inch Standard / Remote-Control Plastic AODD Pump Series
A multi-port 0.5-inch plastic air-operated double diaphragm (AODD) pump with 1/2-inch center and 3/4-inch side fluid ports, delivering up to 57 L/min (3.42 m³/h) at 0.7 MPa, featuring a reliable pilot-operated air valve and optional solenoid for remote control.
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
Multi-port design for easy installation (1/2" center and 3/4" side fluid inlet/outlet).
- Bolted plastic pump body
- New pilot-operated air valve for greater reliability
- Accepts an external solenoid valve for remote-control operation
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum working fluid pressure | 100 psi (0.7 MPa, 7 bar) |
| Working air pressure range | 25–100 psi (0.18 to 0.7 MPa, 1.8 to 7 bar) |
| Maximum air consumption | 28 scfm (0.672 m³/min) |
| Maximum free flow rate | 57 L/min (3.42 m³/h) |
| Maximum cycle rate | 400 cpm |
| Fluid displacement per cycle | 0.04 gallon (0.15 liter) |
| Maximum self-priming lift (dry), D52311 | 12 ft (3.7 m) |
| Maximum solids size | 3/32 in. (2.5 mm) |
| Sound level at 70 psi and 200 cpm | 74 dBA |
| Air inlet size | 1/4 in. NPT (f) |
| Air exhaust size | 3/8 in. NPT (f) |
| Fluid inlet/outlet size | 1/2 in. and 3/4 in. NPT (f) or BSPT (f) |
| Wetted parts — acetal pump | Groundable Acetal, PTFE |
| Wetted parts — polypropylene pump | Polypropylene, PTFE |
| Wetted parts — PVDF pump | PVDF, PTFE |
| Weight — acetal | 7.8 lbs. (3.5 kg) |
| Weight — polypropylene | 6.5 lbs. (2.9 kg) |
| Weight — PVDF | 8.5 lbs. (3.9 kg) |
| Operating manual | 308-981 |
Maximum self-priming lift and other values vary according to the specific combination of valve seats, balls and diaphragms.