Sigma/ 3 (Basic Type)

The Sigma/3 Basic motor-driven diaphragm metering pump features a patented multi-layer safety diaphragm, ensuring exceptional process safety and reliability. It also provides a variety of power end options, including both three-phase and single-phase AC motors, suitable for Exe and Exde environments with ATEX certification.
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Industries Served

  • Metering of highly viscous substances such as polymers
  • Cyanide dosing in gold processing and treatment
  • Wastewater dosing in municipal sewerage treatment plants
  • Water treatment for boiler feed water in power stations
  • Chemical dosing in fertilizer manufacturing plants
  • Post process water treatment in reverse osmosis potable water plants
  • Capacity range 145 – 1030 litres/hour, 12– 4 bar
  • Highly robust metal inner housing for load stressed parts
  • Plastic housing to protect against corrosion
  • Dosing accuracy is better than ± 2% in the stroke length range of 30 – 100%
  • Corrosion resistant plastic housing rated IP 65
  • Available in contact or analogue signal

NOTE: Product information should be used as a guide only and should not be used for pump selection. For further information, please contact Malcolm Thompson Pumps on 1800 439 607.

Part numberMax pump capacity at max back pressureMax stroke frequency (strokes/ min)Suction lift (mWG)Adm priming pressure suction sideConnector suction/ discharge sidePower supplyDelivery weight (kg)
(bar)(L/hr)(mL/ stroke)(bar)(DN)
S3BaHM120145PVT0010M0001014531.57252251 ½” / 25mm1 ph. 230 Volt, 0.55kW22
S3BaHM120330PVT0010M0001033031.518052251 ½” / 25mm1 ph. 230 Volt, 0.55kW22
S3BaHM170410PVT0010M000741095.17241322″ / 32mm1 ph. 230 Volt, 0.55kW24
S3BaHM041030PVT0010M0004103095.118031322″ / 32mm1 ph. 230 Volt, 0.55kW24

Control

Part numberMax pump capacity at max back pressureMax stroke frequency (strokes/ min)Suction lift (mWG)Adm priming pressure suction sideConnector suction/ discharge sidePower supplyDelivery weight (kg)
(bar)(L/hr)(mL/ stroke)(bar)(DN)
S3CaH120145PVT0010WC010001014531.57252251 ½” / 25mm1 ph. 115 – 230 Volt, 50/60Hz22
S3CaH120270PVT0010WC010001027031.514452251 ½” / 25mm1 ph. 115 – 230 Volt, 50/60Hz26
S3CaH070580PVT0010WC01000758095.110341322″ / 32mm1 ph. 115 – 230 Volt, 50/60Hz24
S3CaH040830PVT0010WC01000483095.114431322″ / 32mm1 ph. 115 – 230 Volt, 50/60Hz24