Details
Saci Sigma Cold Water Booster Sets are suitable for clean water pressure boosting applications such as flats, homes with multiple floors or bathrooms, irrigation, commercial units, hotels, sport centres and industry.
The Saci Sigma multistage pump with stainless steel impellers is a horizontal pump with high output and extremely quiet operation making it ideal for domestic and industrial pressurising systems.
The Sigma pump housing and impellers are constructed from stainless steel AISI 304, with the shaft in stainless steel AISI 420 and diffusers injected with fibreglass.
The inlet and outlet body is in cast iron GG-20 with internal and external rust proofing paint. The mechanical seal is graphite ceramic and stainless steel AISI 304.
The motor on the Sigma is a standard asynchronous motor, sealed from external ventilation and suitable for continuous operation. The motor has IP 55 protection and class F isolation.
The motor on the Sigma is suitable to work through frequency inverters.
Highlights
Constant water pressure maintained automatically regardless of fluctuating demand
Variable speed frequency inverter control reduces power consumption and ensures quiet operation
Comprehensive safety protection against dry running, overcurrent, overpressure, and voltage drops
Simple setup requiring only the target pressure and pump rotation to configure the system
Intelligent LCD display for real-time tracking, full incident history, and password protected advanced settings
High performance capability offering up to 350 litres per minute flow and a maximum head of up to 46 metres (per pump)
Available in single and three phase options to suit most applications
Specifications
Pump orientation |
Horizontal |
Max Flow |
183 L/min |
Max Head |
39m |
Power |
0.9 kW / 1.2 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
183 L/min |
Max Head |
51m |
Power |
1.1 kW / 1.5 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
183 L/min |
Max Head |
65m |
Power |
1.5 kW / 2.0 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
183 L/min |
Max Head |
77m |
Power |
2.2 kW / 3.0 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
183 L/min |
Max Head |
90m |
Power |
2.2 kW / 3.0 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
350 L/min |
Max Head |
35m |
Power |
1.5 kW / 2.0 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |
Pump orientation |
Horizontal |
Max Flow |
350 L/min |
Max Head |
46m |
Power |
2.2 kW / 3.0 HP |
Voltage |
230V |
Suction |
1¼ inch |
Discharge |
1¼ inch |



