Plunger Piston Motor-driven pumps 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. General Features • Max Flow Rate: ➢ 225 l/h at 50Hz • Max Pressure: 20 bar • Standard Power Supply: 230-400V 3phases 50/60Hz • Motor: 0.18 or 0.25 kW • Working Frequency: ➢ from 60 to 120 strokes/min at 50Hz ➢ from 72 to 144 strokes/min at 60Hz • Pump Head: PVC, SS316L or PVDF • Valves: ➢ Double balls ➢ Single ball for pump head in SS316L with Φ48 piston • Balls: 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 • Die-cast aluminum housing protected by epoxy/anti-acid paint • IP55 protection degree • F insulation class 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 signa

Technical Features Pressure bar(psi) Flow Rate l/h(Gal/h) 50 Hz Pump head Materials AP SS316L SS316L AI SS316L SS316L BA PVC PVC BI PVC PVC SA PVDF PVDF SI PVDF PVDF Per altre configurazioni rivolgersi alla sede SS316L SS316L Ceramica Ceramica Ceramica Ceramica Piston Seals NBR Ceramica Valve Seats PVDF PVC Piston Seals FPM EPDM FPM EPDM FPM EPDM Valve Seats PVDF PVDF PVC PVC PVDF PVDF Balls SS316L Ceramica Balls SS316L SS316L Ceramica Ceramica Ceramica Ceramica Ball Seats NBR FPM Ball Seats FPM EPDM FPM EPDM FPM EPDM Overall Dimensions Description 11l/h – 10 bar PVC Head 22l/h – 10 bar PVC Head...