- 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
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
- 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 number | Max pump capacity at max back pressure | Max stroke frequency (strokes/ min) | Suction lift (mWG) | Adm priming pressure suction side | Connector suction/ discharge side | Power supply | Delivery weight (kg) | |||
| (bar) | (L/hr) | (mL/ stroke) | (bar) | (DN) | ||||||
| S3BaHM120145PVT0010M000 | 10 | 145 | 31.5 | 72 | 5 | 2 | 25 | 1 ½” / 25mm | 1 ph. 230 Volt, 0.55kW | 22 |
| S3BaHM120330PVT0010M000 | 10 | 330 | 31.5 | 180 | 5 | 2 | 25 | 1 ½” / 25mm | 1 ph. 230 Volt, 0.55kW | 22 |
| S3BaHM170410PVT0010M000 | 7 | 410 | 95.1 | 72 | 4 | 1 | 32 | 2″ / 32mm | 1 ph. 230 Volt, 0.55kW | 24 |
| S3BaHM041030PVT0010M000 | 4 | 1030 | 95.1 | 180 | 3 | 1 | 32 | 2″ / 32mm | 1 ph. 230 Volt, 0.55kW | 24 |
Control
| Part number | Max pump capacity at max back pressure | Max stroke frequency (strokes/ min) | Suction lift (mWG) | Adm priming pressure suction side | Connector suction/ discharge side | Power supply | Delivery weight (kg) | |||
| (bar) | (L/hr) | (mL/ stroke) | (bar) | (DN) | ||||||
| S3CaH120145PVT0010WC01000 | 10 | 145 | 31.5 | 72 | 5 | 2 | 25 | 1 ½” / 25mm | 1 ph. 115 – 230 Volt, 50/60Hz | 22 |
| S3CaH120270PVT0010WC01000 | 10 | 270 | 31.5 | 144 | 5 | 2 | 25 | 1 ½” / 25mm | 1 ph. 115 – 230 Volt, 50/60Hz | 26 |
| S3CaH070580PVT0010WC01000 | 7 | 580 | 95.1 | 103 | 4 | 1 | 32 | 2″ / 32mm | 1 ph. 115 – 230 Volt, 50/60Hz | 24 |
| S3CaH040830PVT0010WC01000 | 4 | 830 | 95.1 | 144 | 3 | 1 | 32 | 2″ / 32mm | 1 ph. 115 – 230 Volt, 50/60Hz | 24 |
