DFD Series Solenoid Diaphragm Metering Pump

NEWDOSE classic manual solenoid diaphragm pump with keypad start/stop and stroke-frequency control; M/HX/NX/GX/X models, 1-55 L/h, up to 20 Bar.

Max flow

1 - 55 L/h

Max pressure

0.1 - 20 Bar

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

220V 50Hz (optional 115V)

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Best for: verifying flow/pressure and control interfaces against your dosing duty (Solenoid Diaphragm Pumps). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Manual keypad start/stop and frequency control
Digital display of operating frequency
Flow 1-55 L/h, max pressure 20 Bar
Level-switch interface on NX/GX/X
Head materials PP/PVC/PVDF/SS316/PTFE
Pure PTFE diaphragm, dry-run capable, 5-year warranty

Specifications

Flow rate	1 - 55 L/h
Pressure	0.1 - 20 Bar
Stroke frequency	1 - 240 SPM
Power supply	220V 50Hz (optional 115V)
Weight	2.4 - 3.8 kg
Sub-series	M / HX / NX / GX / X / LM

Applications

Municipal/wastewater dosing

Boiler and cooling water

Acid/alkali neutralization

Industrial process dosing

Materials & media

Head	PP / PVC / PVDF / SS316 / PTFE (selection code PPV/PVT/PVDF/SST/PTFE)
Diaphragm	PTFE
Valve seat	PTFE / SS316 (depends on head)
Ball	SS316 (depends on head)
Seal	FKM (optional EPDM / PTFE / AFLAS)

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Manual stroke frequency

Standard

Models & specs

Model	Flow	Pressure	SPM	Power	Weight	Install size
DFD-01-07-M	1 L/h	7 Bar	120	30 W	2.4 kg	A
DFD-02-07-M	2 L/h	7 Bar	120	30 W	2.4 kg	A
DFD-03-07-M	3 L/h	7 Bar	120	30 W	2.4 kg	A
DFD-06-05-M	6 L/h	5 Bar	160	40 W	2.4 kg	A
DFD-09-03-M	9 L/h	3 Bar	160	40 W	2.4 kg	A
DFD-02-20-HX	2 L/h	20 Bar	160	40 W	2.4 kg	A
DFD-05-12-HX	5 L/h	12 Bar	160	40 W	2.4 kg	A
DFD-09-07-HX	9 L/h	7 Bar	160	40 W	2.4 kg	A
DFD-10-05-HX	10 L/h	5 Bar	200	40 W	2.4 kg	A
DFD-09-07-NX	9 L/h	7 Bar	160	40 W	3.2 kg	B
DFD-12-07-NX	12 L/h	7 Bar	160	40 W	3.2 kg	B
DFD-15-04-NX	15 L/h	4 Bar	200	40 W	3.2 kg	B
DFD-20-03-NX	20 L/h	3 Bar	200	40 W	3.2 kg	B
DFD-25-02-NX	25 L/h	2 Bar	200	40 W	3.2 kg	B
DFD-06-16-GX	6 L/h	16 Bar	200	60 W	3.8 kg	C
DFD-23-05-GX	23 L/h	5 Bar	200	60 W	3.8 kg	C
DFD-33-03-GX	33 L/h	3 Bar	200	60 W	3.8 kg	C
DFD-55-0.1-GX	55 L/h	0.1 Bar	240	60 W	3.8 kg	C
DFD-02-16-X	2 L/h	16 Bar	120	65 W	3.8 kg	C
DFD-06-07-X	6 L/h	7 Bar	120	65 W	3.8 kg	C
DFD-09-07-X	9 L/h	7 Bar	120	65 W	3.8 kg	C
DFD-12-07-X	12 L/h	7 Bar	120	65 W	3.8 kg	C
DFD-15-03-X	15 L/h	3 Bar	120	65 W	3.8 kg	C
DFD-20-03-X	20 L/h	3 Bar	160	65 W	3.8 kg	C
DFD-30-03-X	30 L/h	3 Bar	160	65 W	3.8 kg	D
DFD-50-02-X	50 L/h	2 Bar	240	65 W	3.8 kg	D