Wilden AODD Pump – 8 Size Range, 1/4″ to 4″, 22.7 to 1040 L/min, Complete Selection Guide

The Wilden AODD pump series offers 8 port sizes from 1/4 inch to 4 inches, covering flow rates from 22.7 L/min to 1040 L/min. Whether you need a compact pump for laboratory dosing or a high-volume pump for mining operations, the Wilden series provides a solution for every application.

Key Features
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8 standard port sizes – 1/4″, 3/8″, 1/2″, 1″, 1-1/2″, 2″, 3″, 4″
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Flow range – 22.7 to 1040 L/min (6 to 275 GPM)
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Working pressure – up to 8.6 Bar (125 psi)
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Self-priming and dry-run capable
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Multiple material options – metal and plastic
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Wide temperature range – up to 176.7°C (350°F)

Complete Size and Flow Table

Port Size (inch)	Max Flow (GPM)	Max Flow (L/min)	Max Pressure (Bar)	Max Solid (mm)
1/4″	6	22.7	8.6	1.6
3/8″	12	45.4	8.6	1.6
1/2″	20-24	75.7-90.8	8.6	1.6-2.0
1″	55-60	208-227	8.6	4.8
1-1/2″	120-125	454-473	8.6	6.4
2″	160-220	605-833	8.6	6.4-12.7
3″	235-275	889-1040	8.6	19.0
4″	~275	~1040	8.6	19.0

Series Comparison

Series	Key Feature	Best Application
P Series / PS Series	Classic reliability, PS saves 60% energy	Corrosive chemicals, abrasive fluids
T Series	Turbo-Flo air distribution	General industrial, wastewater, high head
Saniflo Hygienic	FDA, 3A certified	Food, beverage, pharmaceutical

FAQ
Q: How do I select the right pump size?​
A: Determine your required flow rate, head pressure, and fluid characteristics, then consult the size table above.
Q: What materials are available for each size?​
A: Aluminum, cast iron, 316 stainless steel, Hastelloy, polypropylene, and PVDF.
Q: Are spare parts readily available?​
A: Yes, Wilden-compatible spare parts are available for all 8 sizes.

Need More Information?​

If you need more details about WILDEN air-operated double diaphragm pumps or have questions about product selection, installation, operation, and maintenance, please contact our professional engineering team at Haquan Pump Valve. We will serve you wholeheartedly. Your satisfaction is our greatest pursuit.