High-Precision Industrial Metering Diaphragm Pump Ensuring The Stability And Accuracy Of Flow
Metering Diaphragm Pump Introduction
Metering diaphragm pump is a type of positive displacement pump that utilizes a double diaphragm structure to achieve precise and stable flow control. With high accuracy and reliability, it is widely used in chemical, food, pharmaceutical and environmental industries for the transportation of various corrosive, viscous, high-temperature and volatile fluids.
Metering Diaphragm Pump Main Features
- High-precision metering: The metering diaphragm pump adopts a double-diaphragm structure, which can realize high-precision metering and ensure the stability and accuracy of flow.
- Strong corrosion resistance: The diaphragm material of the metering diaphragm pump is usually made of highly corrosion-resistant materials, such as fluororubber, neoprene, etc., which can adapt to the transportation of various corrosive media and have high corrosion resistance.
- Two-way delivery: The metering diaphragm pump can realize two-way delivery, which can not only transport the medium in the forward direction, but also discharge the medium in the reverse direction, which improves the efficiency of the pump.
- High operational reliability: The metering diaphragm pump has a simple structure, few parts, and no wearing parts such as bearings, so the failure rate is low and the operational reliability is high.
- Wide range of applications: Metering diaphragm pumps are suitable for conveying various fluid media, including high viscosity, high temperature, volatile media, etc., and are widely used in chemical, food, pharmaceutical, environmental protection and other fields.
Metering Diaphragm Pump Scope Of Application
- Low, medium and high viscosity liquids: such as resins, paints, paints, glues, cosmetics, jams, honey, etc.
- Corrosive liquids: such as acids, alkalis, brines, chlorides, chlorine, fluorides, etc.
- Liquids with high dust and solid particle content: such as sludge, sewage, sediment, lime slurry, ore slurry, etc.
- High temperature and low temperature liquids: such as hot oil, boiling water, liquid nitrogen, liquid oxygen, etc.
- Flammable and explosive liquids: such as gasoline, kerosene, solvents, alkyl, ketone liquids, etc.
- The liquid contains bubbles or gas: such as mud, foam liquid, chemical liquid with high bubble content, etc.
- Occasions where the viscosity of the liquid changes greatly: such as liquids containing solid particles, high-temperature liquids, etc.
- Light liquids: such as beverages, alcohol, cosmetics, etc.
Metering Diaphragm Pump Performance Parameter Table
Product name | Metering Diaphragm Pump |
Flow rate | 0.5 - 30 m³/h |
Pressure | 0.1 - 6 MPa |
Viscosity | 0.1 - 10,000 mPa·s |
Temperature | -20℃ - 120℃ |
Motor power | 0.75 - 7.5 kW |
Maximum suction lift | 5 - 6 m |
Material | PTFE, PVDF, PP, 316L stainless steel, etc. |
Inlet/outlet diameter | DN10 - DN100 |
Control mode | Manual/electric adjustment, PLC control |
Applicable media | Acids, alkalis, salts, solvents, fuels, coatings, food, etc. |
Measuring accuracy | ±1% - ±3% |
Flow stability | ≤±1% |
Durability | Design life ≥ 8000h |
Safety | Pump body material is corrosion-resistant, non-toxic, and odorless; automatic shutdown in case of pump body rupture; leakage alarm |
Maintainability | Convenient and quick maintenance and cleaning; easy to replace parts; reduce downtime |

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