Metering pump, also called dosing pump. Dosing pump is widely used in various industry: hospital, chemicals, wastewater treatment, water works etc... And according to the principle, it include following types: metering diaphragm pump, metering screw pump, metering roller pump, metering piston pump etc... Here the metering pump we refers to is mainly related filter press: membrane metering pump.
Membrane Metering Pump, also called “membrane Dosing Pump”, moves a precise volume of liquid in a specified time period providing an accurate flow rate. Delivery of fluids in precise adjustable flow rates is sometimes called metering. Diaphragm dosing pump, according to the driving type, basically include two type: electromagnetic membrane metering pump and mechanical membrane metering pump.
Diaphragm Metering Pump have a diaphragm through which repeated compression / decompression motion is transmitted. The liquid does not penetrate through the diaphragm, so the liquid inside the pump is sealed off from the outside. Such motion changes the volume of a chamber in the pump head so that liquid enters through an inlet check valve during decompression and exits through an outlet check valve during compression, in a manner similar to piston pumps. Diaphragm pumps can also be made which discharge at fairly high pressure.
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1. Stable, durable and lower maintenance cost.
2. The membrane is driven by motor and there are various types for different materials.
3. The pump’s material is also flexible.
4. Stable precision: ±2%; regulating ratio: 10%-100%.
5. The flow also adjustable while working or stop.
6. Space saving.
7. Easy to install and safe for operation.
8. Good sealing performance.
9. Can used for transport viscous materials, corrosive liquids and dangerous chemicals.
It’s widely used for metering usage in following industries: wastewater treatment (combine with polymer dosing system) , petroleum, chemicals power plant, reverse osmosis desalination system, natural gas, pharmaceutical, paper making, food, laboratory etc…
Model |
Flow |
Travel Frequency |
Pressure |
Power |
(L/h) |
(Times/min) |
(bar) |
(kw) |
|
GM0002 |
2.25 |
36 |
12 |
0.25 |
GM0005 |
4.5 |
72 |
12 |
0.25 |
GM0010 |
9 |
144 |
12 |
0.25 |
GM0025 |
25 |
72 |
12 |
0.25 |
GM0050 |
50 |
144 |
10 |
0.25 |
GM0090 |
85 |
72 |
7 |
0.25/0.37 |
GM0120 |
115 |
72 |
7 |
0.25/0.37 |
GM0170 |
170 |
144 |
7 |
0.25/0.37 |
GM0240 |
235 |
144 |
7 |
0.25/0.37 |
GM0330 |
315 |
144 |
5 |
0.25/0.37 |
GM0400 |
400 |
144 |
5 |
0.37 |
GM0500 |
500 |
180 |
5 |
0.37 |
GB0080 |
82 |
36 |
10 |
0.55/0.75 |
GB0180 |
167 |
72 |
10 |
0.55/0.75 |
GB0250 |
237 |
102 |
10 |
0.55/0.75 |
GB0350 |
334 |
144 |
10 |
0.55/0.75 |
GB0450 |
416 |
180 |
10 |
0.55/0.75 |
GB0500 |
464 |
144 |
7 |
0.55/0.75 |
GB0600 |
583 |
180 |
7 |
0.55/0.75 |
GB0700 |
656 |
102 |
3.5 |
0.55/0.75 |
GB1000 |
946 |
144 |
3.5 |
0.55/0.75 |
GB1200 |
1200 |
180 |
3.5 |
0.75 |
GB1500 |
1500 |
180 |
3 |
0.75 |
GB1800 |
1800 |
206 |
3 |
0.75 |