Diaphragm motor-driven dosing pumps The metering pumps D series are driven by an electric motor, the dosage takes place thanks to a NBR/PTFE (material in contact with the liquid) diaphragm. The D series pumps make their robustness and reliability their main characteristic. General Features  Max Flow rate:  535 l/h at 50Hz  574 l/h at 60Hz  Max Pressure: 12 bar  Standard Power Supply: 230-400V 3phases 50Hz  Motor: 0.25 or 0.37 kW  Frequency:  60, 103 and 120 strokes/min at 50Hz  72 and 122 strokes/min at 60Hz  Pump Head: PVC, SS316L or PVDF  Valves:  Single ball with SS316L pump head  Double balls with PVC pump head  Balls: ceramic or SS316L  Ball seats FPM, EPDM or NBR  Valves seats in PVC or PVDF  Diaphragm in NBR/PTFE PTFE material in contact with the chemical  Die-cast aluminum housing protected by epoxy/antiacid paint  IP55 protection degree  Insulation class: F On request, 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

Pressure bar(psi) AISI Pump head configurations - Standard Version Pump head AA SS316L BA PVC - On request Version Pump head AP SS316L AI SS316L BI PVC SA PVDF SI PVDF Diaphragm NBR/PTFE NBR/PTFE Valve Seats PVDF PVC Connections SS316L SS316L PVC PVDF PVDF Diaphragm NBR/PTFE NBR/PTFE NBR/PTFE NBR/PTFE NBR/PTFE Valve Seats PVDF PVDF PVC PVDF PVDF Balls SS316L SS316L Ceramic Ceramic Ceramic Ball Seats FPM EPDM EPDM FPM EPDM

Overall Dimensions Description 79 l/h – 12 bar SS316L Pump Head 135 l/h – 10 bar SS316L Pump Head 158 l/h – 8 bar SS316L Pump Head 150 l/h – 7,5 bar SS316L Pump Head 257 l/h – 6 bar SS316L Pump Head 300 l/j – 5 bar SS316L Pump Head 278 l/h – 3,5 bar SS316L Pump Head 478 l/h – 2,5 bar SS316L Pump Head 535 l/h – 2 bar SS316L Pump Head 278 l/h – 4 bar SS316L Pump Head 478 l/h – 3 bar SS316L Pump Head 535 l/h – 2,5 bar SS316L Pump Head Description 79 l/h – 10 bar PVC Pump Head 135 l/h – 10 bar PVC Pump Head 158 l/h – 8 bar PVC Pump Head 150 l/h – 7,5 bar PVC Pump Head 257 l/h – 6 bar PVC Pump Head...