Last updated: 30/04/2025 18:38:47

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

Product Code

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

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

Documents

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https://www.wilhelmsen.com/product-catalogue/products/pumps/pumps/double-diaphragm-pumps/unitor-aeroflow-double-diaphragm-pump-2-inch-alu-atex-z1