The metering pumps ST-D series are driven by an electric motor, the dosage takes place thanks to a PTFE
membrane. The ST-D series pumps make their robustness and reliability their main characteristic.
• Frequency: from 60 to 120 strokes/min at 50Hz - from 72 to 144 strokes/min at 60Hz
• Die-cast aluminum housing protected by epoxy/antiacid paint
• Max Flow Rate: 123 l/h at 50Hz - 148 l/h at 60Hz
• Standard Power Supply: 230-400V phases 50/60Hz
• Max Pressure: 14 bar
• Motor: 0.18 kW
• Pump head: PP, PVC, SS316 or PVDF
• Valves: balls in ceramic or SS316L
• Ball seats FPM, EPDM or NBR
• Valve seats in PVC or PVDF
• Membrane in PTFE
• IP55 protection degree
• F insulation class
On request
ST-D pumps series can be equipped with:
Motorizations:
• Without motor
• UL/CSA motor certification
• Single-phase motor
• Self-ventilated motor
• ATEX motor
• Tropicalized motor
Hydraulic:
• NPT hydraulic connections
• Larger dimensions valves
Regulation and control by an external signal:
• Electric actuator (automatic adjustment of piston “run” by a 4-20mA signal)
• Inverter (automatic adjustment od motor speed by a 4-20mA signal)
