“Plunger Piston Motor-driven pumps”

The metering pumps P series are driven by an electric motor, the dosage takes place thanks to a piston. The
P series pumps make their robustness and reliability their main characteristic

• Valves: PVC pump head – double ball valves, except for piston Φ95 with single ball - SS316L – Single ball, except for piston
Φ16 and Φ30 with double balls • Frequency: 60, 103 and 120 strokes/min at 50Hz - 72 and 122 strokes/min at 60Hz
• Die-cast aluminum housing protected by epoxy/antiacid paint
• Max Flow Rate: 1027 l/h at 50Hz - 1004 l/h at 60Hz
• Max Pressure: 25 bar
• Standard power supply: 230-400V 3fase 50Hz
• Motor: 0.25, 0.37, 0.55 or 0.75 kW
• Pump head: PVC, SS316L or PVDF
• Balls: ceramic or SS316L
• Ball seats: FPM, EPDM or NBR
• Valves seats: PVC or PVDF
• Piston in SS316 or Ceramic
• Piston seals NBR, FPM or EPDM
• Protection degree:

On request
ST-D pumps series can be equipped with:

• Without motor
• UL/CSA motor certification
• Single-phase motor
• Self-ventilated motor
• ATEX motor
• Tropicalized motor

• 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)

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