Last updated: 25/05/2025 10:50:12

UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 1 INCH PP

Product group:: 422
Product number:: 635625

It is designed for heavy-duty marine cleaning applications, including cargo hold and tank cleaning, bilge water transfer, and general maintenance onboard vessels. With a flow rate of up to 170 L/min, it handles viscous fluids, passes solids up to 7.5 mm, and operates safely without electricity. Its corrosion-resistant PP and PTFE construction ensures durability in harsh environments, while its self-priming, dry-run capability, and easy maintenance make it ideal for continuous use. Compact and efficient, this pump is perfect for a wide range of onboard fluid handling needs.

Product information

Typical Applications for the UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 1 INCH PP:

Cargo Hold Cleaning: Efficiently transferring cleaning chemicals and removing residual materials from cargo holds. Ideal for cleaning bulk carriers, tankers, and container vessels.
Tank and Bilge Cleaning: Effectively removes wastewater, sludge, and residual oils during tank cleaning or bilge operations, ensuring a clean environment.
Deck and Hull Cleaning: Used in conjunction with high-pressure or chemical cleaners for maintaining ship decks, hulls, and other large surfaces.
Wastewater and Sludge Removal: Pumps and transfers wastewater, slurries, and other fluids from tanks, bilges, or bilge water treatment systems.
General Maintenance: Used for cleaning machinery, equipment, and other areas requiring fluid transfer for maintenance work.
Fuel/Oil Transfer: Ideal for pumping and transferring fuels, oils, and other liquid cargo onboard vessels.

Supplied with

Clamp collars
Air barbs
Fluid inlet and outlet nipples

Features

Corrosion-Resistant Construction: Made from high-quality polypropylene and PTFE, ensuring durability in harsh marine environments.
Air-Operated Mechanism: Operates without electricity, reducing the risk of sparks and enhancing safety.
Self-Priming: Capable of drawing fluids without the need for external priming systems.
Dry-Run Capable: Can operate without damage even when running dry.
Versatile Fluid Handling: Handles a wide range of viscosities and can pass solids up to 7.5 mm.

Benefits

Chemical Compatibility: Suitable for transferring a wide variety of aggressive chemicals commonly used in maritime operations.
Reliable Performance: Provides consistent flow rates and pressures, ensuring dependable operation.
Cost-Effective: Low maintenance requirements and durable construction reduce long-term operational costs.

Specification

Physical properties

Viscosity	35.000 CPS

Dimensions/Weight

Dimensions L x W x H [mm]	430 x 222 x 416
Pumpable solid size [mm]	7.5
Weight [kg]	14.2

Technical data

Air inlet connection [inch]	1/2" BSP
Air pressure [bar]	8 max
Fluid inlet and outlet size [inch]	1" BSP
Suction lift [m]	9.8m (Wet) - 5m (Dry)

Performance data

Flow capacity [l/min]	170

UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 1 INCH PP