SDM_E SERIES

Solenoid Dosing Pump SDM-E(eco) Series

The Fatek SDM-E Series dosing pump is a precise and economical solenoid-driven metering pump designed for dosing a wide range of chemicals in water treatment systems, swimming pools, and various industrial applications.

If you are looking for a precise, economical dosing pump for chemical injection in water treatment systems, swimming pools, chemical industries, or dosing lines, the FATEK SDM Series is one of the most popular and reliable options on the market. These solenoid dosing pumps feature a compact design, low energy consumption, and precise flow adjustment, making them suitable for continuous chemical dosing under a wide range of operating conditions.

SDM Series dosing pumps are classified as solenoid-driven metering pumps and are widely used in both industrial and semi-industrial projects due to their stable performance, easy maintenance, and cost-effective design. This series is especially suitable for dosing corrosive chemicals, acids, and disinfectants while providing accurate control over the injection rate.

Main Applications of the SDM-E Dosing Pump

This pump is designed for dosing a wide range of chemicals:

Disinfection Systems: Dosing liquid chlorine (sodium hypochlorite), calcium hypochlorite, hydrogen peroxide, and peracetic acid
Reverse Osmosis (RO) Water Treatment: Dosing antiscalants and membrane treatment additives
Coagulants: Ferric chloride, ferric sulfate, alum (aluminum sulfate), and PAC
Alkalis and Bases: Sodium hydroxide (NaOH), potassium hydroxide (KOH), aqueous ammonia, sodium carbonate, and sodium bicarbonate
Diluted Mineral Acids: Sulfuric acid, hydrochloric acid, phosphoric acid, and nitric acid at typical industrial concentrations
Other Chemicals: Sodium metabisulfite, sodium bisulfite, and boric acid

Features of the SDM-E Series Dosing Pump

Compact design suitable for wall-mounted installation
Precise performance in chemical dosing
Low energy consumption
Flow adjustment from 0 to 100%
Digital display with simple controls
Suitable for continuous operation
Suitable for dosing acids, chlorine, and disinfectants
High build quality with chemically resistant components
Suitable for water treatment and swimming pool systems

Flow Rate and Pressure Table by Model

MODEL	MAX Flow Rate (L/h)	Discharge Pressure (Bar)	Stroke/ min	Stroke Length (mm)	Diaphragm Dia. (mm)	Tubing ID × OD	Power (W) max.
01-15	1	15	120	1	50	4×6	60W
01-20	1	20	120	1	50	4×6	60W
02-10	2	10	120	1	50	4×6	60W
02-15	2	15	120	1	50	4×6	60W
05-07	5	7	120	1	50	4×6	60W
06-08	6	8	120	1	50	4×6	60W
08-10	8	10	120	1	50	4×6	60W
15-05	15	5	120	1	50	4×6	60W
20-03	20	3	150	1	50	4×6	60W
20-05	20	5	150	1	50	4×6	60W

Pump Head and Wetted Parts Materials

Standard Materials

Body: PP + 30% Fiberglass Diaphragm: PTFE Check Valve Ball: Acid-Resistant Glass Ball O-Ring: Viton (FPM/FKM)

Optional Materials

Pump Head: PVC / PVDF / PTFE / SS316L Valve Ball: Ceramic / SS316L O-Ring: EPDM Hose: PTFE / PU

Compatible Chemicals

Sodium Hypochlorite (Liquid Chlorine)
Hydrogen Peroxide
Ferric Chloride
Alum (Aluminum Sulfate)

Sodium Hydroxide (NaOH)
Diluted Sulfuric Acid
Diluted Hydrochloric Acid
Reverse Osmosis Antiscalants

✅ Suitable for dosing a wide range of corrosive chemicals, alkalis, mineral acids, and coagulant polymers

Installation Kit (Included Accessories)

Suction Foot Valve with Filter Injection Valve (1/4, 3/8, 1/2) 4 m Acid-Resistant PE Hose

Packaging

4 Units per Carton 2 Units per Carton

Main Technical Specifications of the SDM-E

Flow Rate Range: 1 to 20 L/h
Pressure Range: 1 to 15 bar
Maximum Stroke Rate: 160 strokes per minute
Flow Adjustment: 0 to 100% via digital controller
Power Supply: 220 V
Installation Type: Wall-mounted; convertible to tabletop installation
Warranty: 18 months
7-segment digital controller

Custom Materials
Parts	Default	By Order
Diaphragm	PTFE	–
Heads	PP	PVDF
Check Valve	Acid-Resistant Glass Ball	Special Ceramic Ball