RAM25 Double Diaphragm Pump

RAM Air Operated Double Diaphragm Pumps

Why choose RAM (AODD) for your demanding applications?

The Aluminium pumps are available in five sizes. 1″Inch (25mm) 11/2″Inch (40mm) 2″Inch (50mm) and 3″Inch (80mm)


Overall improved efficiency.


Ranging from 157 l/min to 1000l/min


Pump has a solid center block design with a lube free air valve design. Single piece, Multi ported Suction/Discharge manifold with BSP thread.


Modular Air Valve

Lube and stall free valve with fewer moving parts.

One-Piece Center Section

Design Eliminates air leaks and provides more efficient operation.

Longer Diaphragm Life

Up to 5 x longer diaphragm life for less maintenance and downtime

Multiple Inlet and Outlet Ports for installation flexibility

Key Fluids

  • Dirty/muddy water.
  • Chemicals
  • Acids
  • Corrosive and abrasive fluids
  • Lubricants, oil and fuel
  • Sludge, slurry and wastewater
  • Soaps, detergents and solvents.

Choose from a wide selection of materials to handle various

applications, including corrosive and abrasive fluids.

Model Description: RAM50B Aluminium Air Operated Double Diaphragm Pump

Part number: RAM50B AL-HY/HY/HY

         RAM = Series 

                  50 = 2” (50mm) suction/discharge

                           B = BSPT threaded suction/discharge connections

                                    AL = Aluminium construction

                                             HY = Hytrel diaphragms

                                                      HY = Hytrel balls

                                                               HY = Hytrel seats

We offer a variety of materials to adapt the internal parts to meet the customers requirements.

Diaphragm option include, HYTREL, Neoprene, Viton, EPDM, Santoprene and Buna-N.