Charles Austin Capex 8C Diaphram Pump

• Providing vacuum or pressure for laboratory filtration and drying processes.
• Supplying oil-free air to analytical instruments such as gas chromatographs or spectrophotometers.
• Used in medical and dental equipment requiring clean air or vacuum.
• Transferring or sampling gases in environmental monitoring applications.

Typical flow rate

For this class of diaphragm pump, flow rates typically range from 8 to 15 litres per minute.

Maximum pressure

Units of this type commonly achieve pressures up to 1.5 to 2.0 bar.

Maximum vacuum

Typically capable of generating vacuum levels down to 100 to 200 mbar absolute.

Power supply

Commonly operates on a standard single-phase electrical supply, typically 230V, 50Hz for the UK market.

Motor type

Usually features a brushless DC or AC motor for reliable, continuous operation.

Wetted materials

Diaphragms and valves are typically made from EPDM, PTFE, or FKM, depending on chemical compatibility requirements.

Noise level

For laboratory-grade pumps, noise levels are typically kept below 60 dB(A) for comfortable operation.

• What are the main advantages of a diaphragm pump like the Capex 8C?

  Diaphragm pumps offer oil-free operation, which is crucial for applications requiring clean air or vacuum, preventing contamination of samples or instruments. They are also known for their low maintenance requirements and robust design.

• Is this pump suitable for continuous operation?

• What maintenance is typically required for a diaphragm pump?

• Can this pump handle corrosive gases?

• What is the typical footprint of a pump in this series?

Diaphragm pumps are generally valued for their reliability and versatility across laboratory and pharmaceutical applications. Buyers typically prioritise condition of the diaphragm itself, seals and valve integrity when purchasing used units. Industry sentiment favours their gentle handling of sensitive fluids, low maintenance requirements and ability to manage viscous or abrasive media. Common strengths include self-priming capability, compact design and suitability for both suction and discharge applications. Durability remains a key selling point.

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