UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH ALU (ATEX Z1)
The Unitor Aeroflow Double Diaphragm Pump 2″ ALU (ATEX Z1) is a high-capacity air-operated pump designed for demanding marine fluid transfer and emergency response applications.
With a maximum flow capacity of 700 L/min, ATEX Zone 1 certification and the ability to handle oils, sludge, bilge water and chemicals, it is ideal for SOPEP response, fuel and oil transfer, emergency dewatering and general onboard operations.
Product number: 635645
Supersedes: 604926
Description
The Unitor Aeroflow Double Diaphragm Pump 2″ ALU is a powerful air-operated double diaphragm pump developed for demanding marine and industrial fluid-handling applications.
With a maximum flow capacity of 700 litres per minute, the pump provides rapid transfer of large volumes of liquid. It handles fluids with viscosities up to 50,000 CPS and suspended solids up to 8.5 mm.
The aluminium construction provides a combination of durability and relatively low weight, while ATEX Zone 1 certification makes the pump suitable for use in hazardous areas where flammable liquids or vapours may be present.
Typical Applications
- SOPEP spill response
- Fuel and oil transfer
- Bilge water transfer
- Sludge transfer
- Emergency dewatering
- Tank and engine room cleaning
- Chemical transfer in hazardous areas
- General service transfer onboard vessels
Wilhelmsen specifically identifies the pump for both day-to-day transfer operations and emergency/contingency applications.
Features & Benefits
- High flow capacity – up to 700 L/min
- Air-operated double diaphragm design
- ATEX Zone 1 certified
- Durable aluminium construction
- Self-priming
- Dry-run capable
- Handles viscosity up to 50,000 CPS
- Passes solids up to 8.5 mm
- No electrical power required at the pump
- Suitable for oils, chemicals, bilge water and sludge
- Suitable for emergency spill response
- Designed for easy servicing and maintenance
Supplied With
The pump is supplied with:
- Ground Bonding Set
- Collar Clamps
- Air Barbs
- Inlet and Outlet Fluid Nipples
Technical Specifications
| Specification | Value |
|---|---|
| Product number | 635645 |
| Previous product number | 604926 |
| Product group | 422 |
| Pump type | Air-operated double diaphragm |
| Body material | Aluminium |
| Fluid inlet/outlet | 2″ BSP |
| Air inlet | 3/4″ BSP |
| Maximum air pressure | 8 bar |
| Maximum flow | 700 L/min |
| Maximum viscosity | 50,000 CPS |
| Maximum solid size | 8.5 mm |
| Suction lift – wet | 9.8 m |
| Suction lift – dry | 5 m |
| Operating temperature | -20°C to +95°C |
| Dimensions | 595 × 345 × 567 mm |
| Weight | 37.6 kg |
Accessories & Spare Parts
Available accessories and spare parts include:
- 770215 – Fluid & Air Hose Kit
- 635667 – Complete Service Kit, Air & Fluid Side
- 635665 – Air Barbs, 2 pcs
- 635664 – Fluid Barbs + Collar Clamps, 2 pcs each
- 635662 – Bonding Ground Set
The pump is also listed by Wilhelmsen as an accessory for several Unitor Oilspill/MARPOL and Sorbent Kits, which reinforces its use for onboard spill-response applications.
Delivery Throughout Norway
Ålesund Supply supplies Unitor Aeroflow pumps, accessories and spare parts throughout Norway.
We can arrange delivery to customers in Ålesund, Bergen, Trondheim, Oslo, Stavanger, Kristiansand, Haugesund, Molde, Kristiansund, Bodø and Tromsø, as well as directly to vessels, shipyards, offshore companies and industrial customers throughout Norway.
Contact us for price, availability and delivery options.
