Diaphragm motor-driven dosing pumps The metering pumps ST-D series are driven by an electric motor, the dosage takes place thanks to a PTFE diaphragm. The ST-D series pumps make their robustness and reliability their main characteristic. General Features • Max Flow Rate: ➢ 300 l/h at 50Hz ➢ 360 l/h at 60Hz • Max Pressure: 14 bar • Standard Power Supply: 230-400V phases 50/60Hz • Motor: 0.18 or 0.25 kW • Frequency: ➢ from 60 to 120 strokes/min at 50Hz ➢ from 72 to 144 strokes/min at 60Hz • Pump head: PP, PVC, SS316 or PVDF • Valves: single ball • Balls: ceramic or SS316L • Ball seats FPM, EPDM or NBR • Valve seats in PVC or PVDF • Diaphragm in PTFE • Die-cast aluminum housing protected by epoxy/antiacid paint • 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) In

Technical Features Model Pressure bar(psi) Flow rate l/h(Gal/h) Pump Head configurations - Standard Version Head Connections AA SS316L SS316L CA PP PP - On Request Version Head Connections AP SS316L SS316L AI SS316L SS316L BA PVC PVC BI PVC PVC CI PP PP SA PVDF PVDF SI PVDF PVDF Per altre configurazioni rivolgersi alla sede Diaphragm PTFE PTFE Valve Seats PVDF PVC Diaphragm PTFE PTFE PTFE PTFE PTFE PTFE PTFE Valve Seats PVDF PVDF PVC PVC PVC PVDF PVDF Balls SS316L SS316L Ceramic Ceramic Ceramic Ceramic Ceramic Ball Seats FPM EPDM FPM EPDM EPDM FPM EPDM Overall Dimensions Description 16l/h – 14...