More than 80000 units are sold annually in mainland China.
It is mainly used in Disinfection and chlorination of water treatment, RO systermboiler antiscalant , car wash industrial
automatic detergent dosage, Aquarium &Swimming pool chlorine automatic dosage, Air conditioning circulating water treatment, Ice machine industryetc. The product quality is stable, and the average annual repair rate is less than one thousandth.
Flow range :1-50L/H
Pressure:3bar,5bar,7bar,10bar,16bar
Operation mode: Manual adjustment
Pulse control
4-20mA signal control

Model | Flow rate (L/H) | Pressure (Bar) | Frequency stroke/min | Suction (m) | Power Watt | Voltage (V) | GW (kg) |
WS-01-07-S | 1 | 7 | 120 | 2 | 25 | 220V 50Hz | 2.5 |
WS-02-07-S | 2 | 7 | 120 | 2 | 25 | 220V 50Hz | 2.5 |
WS-03-07-S | 3 | 7 | 120 | 2 | 25 | 220V 50Hz | 2.5 |
WS-06-05-S | 6 | 5 | 160 | 2 | 25 | 220V 50Hz | 2.5 |
WS-09-03-S | 9 | 3 | 180 | 2 | 25 | 220V 50Hz | 2.5 |
WS-12-02-S | 12 | 2 | 180 | 2 | 25 | 220V 50Hz | 2.5 |
WS-15-01-S | 15 | 1 | 180 | 2 | 25 | 220V 50Hz | 2.5 |
WS-20-01-M | 20 | 1 | 180 | 2 | 25 | 220V 50Hz | 2.7 |
WS-02-15-M | 2 | 15 | 120 | 2 | 50 | 220V 50Hz | 3.0 |
WS-06-07-M | 6 | 7 | 120 | 2 | 50 | 220V 50Hz | 3.0 |
WS-09-07-M | 9 | 7 | 160 | 2 | 50 | 220V 50Hz | 3.0 |
WS-12-07-M | 12 | 7 | 160 | 2 | 50 | 220V 50Hz | 3.0 |
WS-15-03-M | 15 | 3 | 160 | 2 | 50 | 220V 50Hz | 3.0 |
WS-20-03-M | 20 | 3 | 180 | 2 | 50 | 220V 50Hz | 3.0 |
WS-25-05-L | 25 | 5 | 180 | 2 | 80 | 220V 50Hz | 5.2 |
WS-30-03-L | 30 | 3 | 180 | 2 | 80 | 220V 50Hz | 5.2 |
WS-40-02-L | 40 | 2 | 180 | 2 | 80 | 220V 50Hz | 5.2 |
WS-50-01-L | 50 | 1 | 180 | 2 | 80 | 220V 50Hz | 5.2 |










