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High-pressure plunger pumps

High-pressure plunger pumps

User: Power plant in the Kyushu region (Japan)
Product used: Sigma (plunger type)
Overview: Power plant
Category: Chemical Pump

Issues / requests

Pump for high pressure injection of boiler chemicals. A pump that can linearly change the discharge rate by receiving an external signal is required as the operating conditions change.

Tohkemy's proposal

We have proposed a Sigma plunger / control with a built-in inverter function. It has a function that the discharge amount is linearly proportional to the input signal (DC4-20mA). The maximum allowable discharge pressure of the pump is 32.0MPa, which is a model with sufficient margin. Since the power supply voltage is also a single-phase free power supply, it is easy to set regardless of the 50Hz / 60Hz region.

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