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3003 Series - Diaphragm Pumps

The Thomas 3003 Series is a compact, oil-less diaphragm pump that delivers efficient pressure and vacuum performance with low power consumption for portable medical, analytical, and environmental OEM applications. 
  • Oil-less
  • Long life
  • Low power consumption
  • Worldwide service network
  • Low noise/vibration
  • Protection class IP54

Key Specifications

Flow Rate (gas) (L/min)

1

L/min

Pressure (bar)

1

bar

Vacuum (mbar)

-485

mbar

Part Number

Head Configuration

Max. Flow

Max. Pressure

Max. Vacuum

Motor Type

Nominal Voltage

Weight

30031505

Pressure/vacuum

0.030 cfm (850 ml/min)

9.4 psi (650 mbar)

38%

DC

3.5V

1.2 oz (35 g)

30030507

Pressure/vacuum

0.033 cfm (950 ml/min)

12.3 psi (850 mbar)

48%

DC

4.5V

1.2 oz (35 g)

30030506

Pressure/vacuum

0.030 cfm (850 ml/min)

9.4 psi (650 mbar)

38%

DC

4.5V

1.4 oz (40 g)

30030509

Pressure/vacuum

0.035 cfm (1000 ml/min)

9.4 psi (650 mbar)

38%

DC

12.0V

1.4 oz (40 g)

30030511

Pressure/vacuum

0.030 cfm (850 ml/min)

9.4 psi (650 mbar)

38%

DC

6.0V

1.4 oz (40 g)

30030512

Pressure/vacuum

0.025 cfm (700 ml/min)

14.5 psi (1000 mbar)

48%

Brushless DC

6.0V

3.4 oz (95 g)

  • Sewage Aeration
  • Aquarium Aeration
  • Gas / Particle Analysis
  • Air Mattress
  • Compression Therapy
  • Battery Aeration
  • Grey Water Treatment

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