
Last updated: 24/06/2025 20:40:29
UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS
Product Code
- Product group:
- 422
- Product number:
- 635640

Built like a monster and ready for battle, the Unitor AeroFlow 2" Stainless Steel Diaphragm Pump is designed to dominate the harshest marine conditions. Precision-crafted from high-grade stainless steel, it shrugs off corrosion and tears through abrasive, aggressive fluids without hesitation. Delivering up to 700 L/min and capable of handling solids up to 8.5 mm, this pump is your go-to for high-demand operations — from cargo hold cleaning to chemical circulation and sludge transfer. When reliability isn’t optional, this is the pump you bring to the job.

Product information
This product supersedes product no: 607747
Typical Applications for the UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS:
- Transfer of Aggressive Chemicals: Safely transfers chemicals without risk of corrosion.
- Circulation Cleaning: Ideal for circulating cleaning fluids in various systems, ensuring even distribution for effective cleaning of pipelines, equipment, and tanks.
- Cargo Hold Cleaning: Efficiently removes residual cargo and contaminants from holds.
- Tank Cleaning: Ideal for cleaning tanks containing viscous or solid-laden liquids.
- Bilge Water Transfer: Handles oily or contaminated bilge water with ease.
Supplied with
- Clamp collars
- Air barbs
- Fluid inlet and outlet nipples
Features
- Stainless Steel Construction: Offers superior corrosion resistance and durability.
- High Flow Rate: Delivers up to 700 L/min for efficient fluid transfer.
- Solid Handling: Passes solids up to 8.5 mm in size.
- Self-Priming: Capable of drawing fluids without external priming systems.
- Dry-Run Capable: Operates without damage even when running dry.
- Air Operated: Eliminates the need for electricity, reducing spark hazards.
Benefits
- Chemical Compatibility: Suitable for transferring a wide variety of aggressive chemicals.
- 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 | 50.000 CPS |
---|
Dimensions/Weight
Dimensions L x W x H [mm] | 487 x 345 x 599 |
---|---|
Pumpable solid size [mm] | 8.5 |
Weight [kg] | 51 |
Technical data
Air inlet connection [inch] | 3/4" BSP |
---|---|
Air pressure [bar] | 8 max |
Fluid inlet and outlet size [inch] | 2" BSP |
Suction lift [m] | 9.8 m (Wet) - 5m (Dry) |
Temperature [°C] | -20 C to + 95 C (range) |
Performance data
Flow capacity [l/min] | 700 |
---|
Documents
Related products
Accessories
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770215 UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS / ALU - FLUID & AIR HOSE KIT Product number: 770215
Spares
-
635666 UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS - COMPLETE SERVICE KIT (AIR & FLUID SIDE) Product number: 635666
-
635665 UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS /ALU - AIR BARBS (2PCS) Product number: 635665
-
635664 UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH SS/ALU - FLUID BARBS + COLLAR CLAMPS (2PCS EACH) Product number: 635664