UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 1/2 INCH PP
The Unitor Aeroflow Double Diaphragm Pump 1/2″ PP is a compact, corrosion-resistant air-operated pump designed for chemical and fluid transfer in marine environments.
Constructed from polypropylene and Teflon, the pump delivers up to 65 L/min, handles viscosities up to 20,000 CPS and can pass solids up to 3.5 mm.
Product number: 635615
Supersedes: 634787
Description
The Unitor Aeroflow Double Diaphragm Pump 1/2″ PP is a robust and compact air-operated pump designed for demanding fluid transfer applications onboard vessels.
Its chemically resistant polypropylene and Teflon construction makes it particularly suitable for handling aggressive chemicals, wastewater and other fluids commonly encountered in marine operations.
The air-operated design requires no electricity at the pump. It is self-priming, capable of dry running and provides a maximum flow capacity of 65 litres per minute at pressures up to 8 bar.
Typical Applications
- Bilge stripping
- Wastewater and sewage transfer
- Chemical dosing
- Fuel and lubricant transfer
- Tank and cargo hold cleaning
- Drum and barrel emptying
- Fire-fighting agent and water transfer
- Onboard laboratory sampling and testing
Wilhelmsen specifically lists these as typical applications for the 1/2″ PP version.
Features & Benefits
- Flow capacity up to 65 L/min
- Air-operated double diaphragm design
- Polypropylene and Teflon construction
- High chemical resistance
- Self-priming
- Dry-run capable
- Handles viscosity up to 20,000 CPS
- Passes solids up to 3.5 mm
- Maximum operating pressure 8 bar
- Compact design for confined spaces
- No electricity required at the pump
- Simple construction for easier maintenance
The pump is supplied with clamp collars, air barbs and fluid inlet/outlet nipples.
Technical Specifications
| Specification | Value |
|---|---|
| Product number | 635615 |
| Previous product number | 634787 |
| Product group | 422 |
| Pump type | Air-operated double diaphragm |
| Construction | Polypropylene / Teflon |
| Fluid inlet/outlet | 1/2″ BSP |
| Air inlet | 1/4″ BSP |
| Maximum air pressure | 8 bar |
| Maximum flow | 65 L/min |
| Maximum viscosity | 20,000 CPS |
| Maximum solid size | 3.5 mm |
| Suction lift – wet | 9.8 m |
| Suction lift – dry | 5 m |
| Dimensions | 238 × 165 × 249 mm |
| Weight | 4.3 kg |
Accessories & Spare Parts
Available accessories and spare parts include:
- 770205 – Fluid & Air Hose Kit
- 635652 – Suction Rigid Hose PP, 1000 mm
- 635651 – Complete Service Kit, Air & Fluid Side
- 635650 – Fluid Barbs + Collar Clamps
- 635649 – Air Barbs
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 and industrial customers throughout Norway.
Contact us for price, availability and delivery options.
