Blagdon B75 metallic air-operated diaphragm pump for large volume and viscous fluid transfer
DescriptionSpecificationsDrawings & Performance CurveDocumentation

Blagdon B75 Metallic AODD Pump for large-volume and viscous industrial fluid transfer

Blagdon B75 Metallic AODD Pump

The Blagdon B75 Metallic air-operated double diaphragm (AODD) pump is designed for high-capacity transfer of chemicals, viscous fluids and demanding industrial process liquids where robust metallic construction and dependable operation are required.

With a maximum delivery of up to 889 litres per minute (234.8 gal/min) and working pressure up to 8.6 bar (125 PSI), the B75 provides reliable large-volume fluid transfer while handling suspended particles up to approximately 10 mm.

Available in aluminium, cast iron and stainless steel configurations, the B75 can be supplied with end-ported or centre-ported arrangements to suit different installation requirements. Its bolted construction, robust design and serviceable pneumatic air valve support dependable operation in demanding industrial applications.

Need Help Selecting the Blagdon B75 Metallic Pump?

Not sure which B75 configuration is suitable for your application? ABS Engineering can help review your required flow, fluid properties, viscosity, chemical compatibility, temperature, solids size and operating conditions.


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Maximum Delivery 889 ltrs/min (234.8 gal/min)
Max. Working Pressure 8.6 bar (125 PSI)
Max. Solid Particle Size 10 mm (0.4″)
Air Inlet 3/4″ NPT
Temperature Limits Determined by elastomers
Suction Lift (Dry) 4 metres (13.1 feet)
Fluid Inlet / Outlet 3″ BSP Tapered (End Ported)
DIN Flanged (Center Ported)
Installation Surface mounted
Accessories Included Exhaust Air Silencer
Shipping Weight 53.5 kg (117.7 lbs) – Aluminium
90 kg (198 lbs) – Cast Iron / Aluminium
90 kg (198 lbs) – Stainless Steel / Aluminium
Shipping Dimensions 720 x 350 x 900 mm
28.3″ x 13.8″ x 35.4″

Blagdon B75 Metallic AODD Pump general assembly drawing

General Assembly
All dimensions +/- 3 mm

Blagdon B75 Metallic AODD Pump performance curve

Performance determined using flooded suction while pumping clean water through a calibrated electronic flow meter with pulsation dampener and silencer fitted.

Blagdon AVB75 Metallic Service & Operating Manual


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Blagdon B75 Metallic Service & Operating Manual


View / Download Manual →


Need a powerful 3″ metallic AODD pump for large-volume, viscous or demanding industrial fluid transfer?

Contact ABS Engineering for assistance with the Blagdon B75 Metallic AODD Pump.