Air-operated Double Diaphragm Pumps
0.25-inch Standard / Remote-Control Plastic AODD Pump Series
A compact 0.25-inch plastic air-operated double diaphragm (AODD) pump (Husky 205, NPT/BSP ports) delivering up to 19 L/min (1.14 m³/h) at 0.7 MPa, with durable PTFE diaphragms and an optional external solenoid valve for remote-control 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
The Husky 205 is purpose-designed and built for OEM applications.
- Low cost, lightweight design
- Handles a wide range of fluids
- Spring-loaded check valves with strong self-priming capability, suited to a variety of installation methods
- PTFE diaphragms for extended durability
- Accepts an external solenoid valve for convenient remote-control operation
Technical Specifications
| Parameter | Value |
|---|---|
| Maximum working pressure | 100 psi (0.7 MPa, 7 bar) |
| Maximum flow rate | 19 L/min (1.14 m³/h) |
| Maximum cycle rate — dry running | 320 cpm |
| Maximum cycle rate — wet running | 250 cpm |
| Fluid displacement per cycle | 0.020 gal (0.076 liters) |
| Maximum self-priming lift (dry), D12096 | 8–10 ft (2.5–3 m) |
| Maximum solids size | 0.06 in. (1.5 mm) |
| Maximum air consumption | 9.0 scfm (0.252 m³/min) |
| Sound level at 50 psi and 50 cpm | 75 dBA |
| Air inlet size | 1/4 in. NPT (f) / 1/4 in. BSP (f) |
| Fluid inlet size | 1/4 in. NPT (f) / 1/4 in. BSP (f) |
| Fluid outlet size | 1/4 in. NPT (f) / 1/4 in. BSP (f) |
| Air exhaust size | 1/4 in. NPT (f) / 1/4 in. BSP (f) |
| Weight — polypropylene pump | 2.0 lbs. (0.9 kg) |
| Weight — acetal pump | 2.5 lbs. (1.1 kg) |
| Weight — PVDF pump | 2.8 lbs. (1.3 kg) |
| Wetted parts — polypropylene pump | Glass-filled Polypropylene, PTFE, Polypropylene |
| Wetted parts — acetal pump | Acetal with SST fibers, Tedlar, Acetal |
| Wetted parts — PVDF pump | PVDF, PTFE |
| Operating manual | 308-652 |
Maximum cycle rates and other values vary according to the specific combination of valve seats, balls and diaphragms.