Blagdon B75 Non-Metallic Diaphragm Pump
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Max. Capacity 901 l/min
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Max. Pressure 7 bar
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Max. Viscosity 5,000 cP
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Temperature Range Limited by elastomers - Up to 180 deg C.

Blagdon Air Operated Double Diaphragm Pump.
High Suction, Acid Pump and Corrosive liquid pump.
Fully Submersible Pump.
Up to 901 l/min,
3" Air Operated Diaphragm Pump
Non-Metallic Construction
Common applications:
- For corrosive liquids and chemicals
- When metallic contact is not acceptable
- Low cost, straight forward construction
- When electrical power is not available
Specifications
Pump type: Air Operated Double Diaphragm Pump
Control: Valve in air inlet (not included)
Materials: Non-metallic casing (see options)
Fluid Connections: 3" (see options)
Max Solid diameter: 18mm
Max Flow rate: 901 litre/min
Max Discharge pressure: 7 bar
Air Inlet: 3/4" BSP (F) or NPT (F)
Pump weight: see options
Features
- Simple construction, easy to maintain & control
- Self-priming, ideal for emptying containers
- ATEX approved as an option - intrinsically safe
- Low break-out pressure
- Reliable, proven pneumatic air valve
- Strong, robust design
- Manufactured in Shannon, Ireland
Options
Casing materials: Polypropylene, Conductive polypropylene, PVDF
Construction Materials: Polypropylene/Aluminium (105kg), PVDF/Aluminium (143kg)
Internal material options: Nitrile, EPDM, Neoprene, Santoprene, PTFE, Viton (FKM), Polypropylene
Fluid Connection options: 3" ANSI #150 RF Flanges
Like all air operated diaphragm pumps, this pump requires a compressed air source to function.
Need a compressor and pump combo? Check out the compressors in the "Other Products" menu tab.