Pump Designs and Control

Plug-and-Play Pumps: mostly used by end users and in small systems

Features an integrated drive and pump controller inside the pump housing (e.g., QF150 Series, QF1200-HT Series, QF4400-HT Series).

• The pump is ready to use
• Small dimensions and low weight
• With a cable and plug for different electric grids
• Analog input for external control (e.g., 4-20mA, 0-5VDC…)
• Keypad for manual (internal) control
• Standard Quattroflow design with baseplate and housing

With an external control box as an option (e.g., QF4400, QF5050, QF10k, QF20k)

• An external stainless-steel box, in addition to the pump
• With a frequency converter/power supply unit/controller for the respective motor
• Analog input for external control (e.g., 4-20mA, 0-5VDC…)
• Keypad for manual (internal) control

OEM pumps: mostly used by skid manufacturers and for large systems

• An external stainless-steel box, in addition to the pump
• Witha frequency converter/power supply unit/controller for the respective motor
• Analog input for external control (e.g., 4-20mA, 0-5VDC…)
• Keypad for manual (internal) control
• The motor/drive has to be wired by the customer
• External control via analog inputs or other signals
• Very small and smart pump design
• With motor flange, without housing and base plate, or in standard design with base plate and housing
• High flexibility
• Adaptation to custom designs