ProMinent sigma (base type)

ProMinent sigma (base type)

The basic type of Sigma diaphragm metering pump forms a consistent product family with the S1Ba, S2Ba and S3Ba pumps. This covers the performance range from 17 to 1,030 l/h, with a uniform operating concept, control concept and spare parts management.

  • Stroke length adjustment: manually by means of self-locking rotary knob in 1 % steps (optionally with actuator or modulating actuator)
  • Reproducibility of dosing under defined conditions and correct installation better than ±2 % in the stroke length adjustment range 30 - 100 %.
  • Materials in contact with medium: PVDF, stainless steel 1.4571/1. 4404 and PTFE
  • Patented multilayer safety diaphragm with optical diaphragm rupture indicator (optionally with diaphragm rupture signalling via contact)
  • Integrated hydraulic overflow and vent valve
  • Optional for Ex area II 2G Ex h IIC T3 Gb X or II 2G Ex h IIC T4 Gb X
  • Protection class IP 55
  • Glass-fibre reinforced plastic housing.

For all mechanically deflected diaphragm metering pumps, suitable overflow devices must be provided during installation for safety reasons.

Additional Models

ModelSKU

Please Call 01296 488 294 or email sales@polypump.co.uk for availability and advice.

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