The Sigma/1 Basic is a motor-driven metering pump with a patented multi-layer safety diaphragm for excellent process reliability. It is a versatile pump that can be used in a variety of applications, including:

• Volume-proportional addition of chemicals in water treatment, e.g. sodium-calcium hypochlorite for the disinfection of potable water
• Addition of chemicals depending on the measured value, e.g. metering of acid and alkali for pH neutralisation in waste water treatment
• Time-controlled addition of chemicals in the cooling water circuit
• Pulse-controlled metering in the bottling of different volumes e.g. glycerin filling of manometers

The Sigma/1 Basic has a capacity range of 5.3 to 38 gph (20.4 to 144 l/h) and a pressure range of 174 to 58 psi. It is a robust pump that is well-suited for demanding applications.

Here are some of the key features of the Sigma/1 Basic:

• Patented multi-layer safety diaphragm for excellent process reliability
• Wide range of power end designs, including three-phase or 1-phase AC motors, also for use in areas at risk from explosion
• Consistent operating concept, control concept and spare parts management

The Sigma/1 Basic is a versatile and reliable metering pump that can be used in a variety of demanding applications. If you are looking for a pump that can deliver accurate and consistent flow rates, the Sigma/1 Basic is a great option.

Here are some additional details about the Sigma/1 Basic:

• The pump is made from high-quality materials that are resistant to corrosion and chemicals.
• The pump is easy to operate and maintain.
• The pump is available in a variety of sizes and configurations to meet the specific needs of your application.