ST-P Plunger Piston Motor-driven Pump

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ETATRON D.S. S.P.A.

Rome, Italy

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The metering pumps ST-P series are driven by an electric motor, the dosage takes place thanks to a piston. The ST-P series pumps make their robustness and reliability their main characteristic.
On request
ST-P 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 of motor speed by a 4-20mA signal)

• Working 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: 190 l/h at 50Hz - 114 l/h at 60Hz
• Standard Power Supply: 230-400V 3phases 50/60Hz
• Pump Head: PVC, SS316L, or PVDF
• Valves: Balls in ceramic or SS316L
• Ball seats: FPM, EPDM or NBR
• Valve seats in PVC or PVDF
• Piston in SS316 or Ceramic
• Piston seals NBR, FPM, or EPDM
• Max Prressure: 20 bar
• Motor: 0.18 kW
• IP55 protection degree
• F insulation class

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