Sigma 1 Basic

MOTOR-Driven Metering Pump SIGMA/1 BASIC
Capacity range 17 – 144 l/h, 12 – 4 bar​

The Sigma/ 1 Basic is an extremely robust motor-driven metering pump with patented multi-layer safety diaphragm for excellent process safety. It offers a wide range of power end designs, such as three-phase or 1-phase AC motors, even for Exe and Exde areas with ATEX certification.

  • Stroke length: 4 mm.
  • Stroke length adjustment range: 0 – 100%.
  • Stroke length adjustment: manually by self-locking rotary dial in 1% increments (optionally with actuator or control drive).
  • Metering reproducibility is better than ± 2% within the 30-100% stroke length adjustment range under certain defined conditions and after proper installation.
  • Wetted materials: PVDF, stainless steel 1.4571/1.4404, special materials on request.
  • Patented multi-layer safety diaphragm with optical diaphragm rupture display (optionally with diaphragm rupture warning system via a contact).
  • Integrated hydraulic relief and bleed valve.
  • A wide range of power end versions is available: Three-phase standard motor, 1-phase AC motor, motors for use in Exe and Exde areas and different flange designs for use in customer-specific motors.
  • Degree of protection IP 55 (optionally II2GEExeIIT3, II2GEExdIICT4).
  • Fibreglass-reinforced plastic housing.
  • Liquid end on left is available as standard.
  • For reasons of safety, provide suitable overload protection mechanisms in all mechanically deflected diaphragm metering pumps.

“MIND YOUR WATER”

WATERMIND ENGINEERING (M) SDN. BHD.
NO. 4, JALAN MPMU 1, MEDAN PERNIAGAAN MAMBAU UTAMA,
MAMBAU, ​70400 SEREMBAN, NEGERI SEMBILAN, MALAYSIA
Email: sales@watermind.com.my   Website: www.watermind.com.my

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