1-12 of 39 results
Sewage Pump: Types, Lift Stations, Sizing and Controls
- Oct 27, 2026
- Hits: 0
Abstract A sewage pump moves raw wastewater that carries solids and fibers. Its defining specification is solids passage: the largest sphere it can pass. In buildings, the 2025 Plumbing Code of New York...
Centrifugal Pump Maintenance: Wear Limits & Clearances
- Oct 19, 2026
- Hits: 35
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Double Diaphragm Pump Buyer's Guide: Size, Build, Diaphragms
- Oct 18, 2026
- Hits: 29
Abstract A double diaphragm pump is bought once, and its diaphragms are bought for as long as it runs. Four choices decide what the pump costs to keep: port size against the real duty, the housing and...
Multistage Pump Selection: Head, Stages, NPSH and Pressure
- Oct 11, 2026
- Hits: 26
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Non-Clogging Pump Selection for Solids, Fibers and Rags
- Oct 11, 2026
- Hits: 15
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Self-Priming vs Submersible Sewage Pump: Which to Choose
- Oct 11, 2026
- Hits: 18
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High Temperature Magnetic Drive Pump for 300–350 °C
- Oct 11, 2026
- Hits: 16
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Magnetic Drive Pump vs Canned Motor Pump: Which to Choose
- Oct 11, 2026
- Hits: 18
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PTFE-Lined Pump vs Stainless Steel Pump: How to Choose
- Oct 11, 2026
- Hits: 21
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Concentrated Sulfuric Acid Pump: Materials, Types and Sizing
- Oct 10, 2026
- Hits: 24
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Pneumatic Diaphragm Pump (AODD Pump): Sizing and Air Use
- Sep 22, 2026
- Hits: 112
Abstract A pneumatic diaphragm pump, also called an AODD pump (air-operated double diaphragm), is specified from its air side. Discharge pressure cannot exceed the air pressure driving the pump: standard...
![Diaphragm Pump: Working Principle, Types and Selection [2026 Guide for Beginners]](https://img.jeawincdn.com/resource/upfiles/161/images/news/260917/resize/ba77d5ff584965b148736544749747a6/diaphragm-pump-selection-9_pNVL8i-320x180.webp "Diaphragm Pump: Working Principle, Types and Selection [2026 Guide for Beginners]")
Diaphragm Pump: Working Principle, Types and Selection [2026 Guide for Beginners]
- Sep 17, 2026
- Hits: 159
A diaphragm pump moves liquid or gas by flexing a membrane rather than using an impeller or a packed piston. That simple idea has an important consequence: the diaphragm separates the process medium from...