UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 3/8 INCH PP
Compact and durable air-operated 3/8″ diaphragm pump made from chemical-resistant polypropylene. Ideal for marine fluid transfer, circulation, sampling, and waste evacuation. High suction lift, dry-run capable, and easy to maintain.
Description
Unitor AeroFlow Double Diaphragm Pump 3/8″ PP – Compact, Reliable, and Built for Marine Operations
This product supersedes product no: 604918
The Unitor AeroFlow 3/8″ Polypropylene Double Diaphragm Pump is a compact, air-operated transfer pump designed for versatile fluid handling on board vessels. With its lightweight construction, corrosion-resistant polypropylene body, and simple maintenance design, it is perfectly suited for marine environments where reliability and ease of service are essential.
This pump offers excellent performance for transferring, circulating, and evacuating a wide range of low-viscosity chemicals, detergents, sampling fluids, adhesives, and waste liquids. Because it is fully air-driven, it requires no electricity, making it ideal for engine rooms, confined spaces, and hazardous locations.
The pump is supplied complete with clamp collars, air barbs, and fluid inlet/outlet nipples for fast installation and onboard integration.
Typical Applications Onboard
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Sampling and analysis routines
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Drum transfer of chemicals and marine cleaning fluids
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Circulation of inks, detergents, and low-viscosity chemicals
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Waste fluid evacuation
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General fluid movement in tanks and machinery spaces
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Batch dosing and metering operations
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Transfer of low-viscosity adhesives
Key Features
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Compact, lightweight construction – perfect for vessels with limited space
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Easy-access design allows fast internal servicing
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Air-operated – no electrical power required
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Low operating noise (65 dB) for safer and more comfortable working environments
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Self-priming design with strong suction lift capability
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Handles solids up to 2.5 mm without clogging
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Suitable for continuous duty and dry-running
Benefits
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Reliable handling of aggressive fluids and marine chemicals
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Operates with viscosities up to 10,000 cps, offering wide application flexibility
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Dry-run tolerant, protecting equipment from accidental damage
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Fast priming for efficient operation during transfer and evacuation tasks
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Ideal for drums, IBC transfer, waste removal, and metering processes
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Durable polypropylene construction ensures chemical resistance and long service life
Technical Specifications
Physical / Mechanical
| Property | Value |
|---|---|
| Viscosity | Up to 10,000 cps |
| Dimensions (L × W × H) | 146 × 96 × 167 mm |
| Pumpable solid size | 2.5 mm |
| Weight | 1.3 kg |
Connections
| Connection | Size |
|---|---|
| Air inlet | 1/4″ BSP |
| Fluid inlet | 3/8″ BSP |
| Fluid outlet | 3/8″ BSP |
Performance
| Parameter | Value |
|---|---|
| Maximum air pressure | 7 bar |
| Suction lift (wet) | 9.8 m |
| Suction lift (dry) | 5 m |
| Flow rate | 20 L/min |
Approvals
Delivery Across Norway
Ålesund Supply delivers Unitor pumps nationwide, including:
Oslo, Bergen, Stavanger, Trondheim, Kristiansand, Bodø, Tromsø og Ålesund.
Fast delivery to vessels, verft, offshore installasjoner og industri.
