Last updated: 24/06/2025 20:38:39

UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH ALU (ATEX Z1)

Product group:: 422
Product number:: 635645

Tough, fearless, and ready for anything — the Unitor AeroFlow 2" Aluminum Diaphragm Pump is your ultimate fluid-handling beast. Built for demanding marine operations, this ATEX Zone 1 certified pump delivers explosive performance with zero risk. Engineered for speed and resilience, it powers through oils, sludge, bilge water, and volatile chemicals with ease, all while pushing out a massive 700 L/min flow rate. Whether it's emergency SOPEP deployment, aggressive chemical transfer, or routine bilge clearing, this is the pump that doesn't back down.

UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH ALU (ATEX Z1)

Product information

This product supersedes product no: 604926

Typical Applications for the UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH ALU (ATEX Z1):

Optimal for SOPEP spill response
Fuel and oil transfer (ATEX safe zones)
Bilge and sludge transfer
Emergency dewatering operations
General service transfer pump onboard
Tank and engine room cleaning support
Chemical handling in hazardous areas

Supplied with

Ground Bonding Set
Collar Clamps
Air Barbs
Inlet and Outlet Fluid Nipples

Features

ATEX Zone 1 certified – suitable for explosive atmospheres
Durable aluminum body – lightweight and corrosion-resistant
Self-priming and dry-run capable

Benefits

Safety first: no sparks, no electricity, ideal for explosive zones
Rapid response: reliable in emergency cleanup or spill situations
Versatile use: handles oils, chemicals, bilge water, and sludge
Low maintenance: simple design and easy access to parts
Cost-effective: long operating life and quick servicing
Trusted transfer solution: for day-to-day and contingency operations

Specification

Physical properties

Viscosity	50.000 CPS

Dimensions/Weight

Dimensions L x W x H [mm]	595x345x567
Pumpable solid size [mm]	8.5
Weight [kg]	37.6

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]	9.8m (Wet) - 5m (Dry)
Temperature [°C]	-20°C to +95°C (range)

Performance data

Flow capacity [l/min]	700

UNITOR AEROFLOW DOUBLE DIAPHRAGM PUMP 2 INCH ALU (ATEX Z1)