Negative Pressure Discharge Pump

Advantages of Negative pressure discharge pump

1. High metering accuracy: Through precise gear design and manufacturing, metering accuracy can reach within ±1%, and some high-precision pumps can achieve 0.3%.

2. Stable output: No pulse output, smooth fluid delivery, which helps protect downstream equipment and ensure product quality.

3. Strong adaptability: Capable of conveying various fluids from low to high viscosity, and can operate under special conditions such as high temperature and high vacuum.

Flow range: The flow range varies depending on the model of the negative pressure discharge gear metering pump.
Discharge pressure: Up to 100 bar (depending on the viscosity of the material).
Operating temperature: The operating temperature range varies depending on the material and structure; some pumps can operate normally at 300°C.

It mainly consists of a driving gear, a driven gear, a pump body, front and rear end covers, a sealing device, and a drive mechanism.

The gear fits tightly against the inner wall of the pump chamber and the end cover to form a sealed volume unit to ensure metering accuracy.

Negative pressure discharge pumps are widely used in many industries, mainly including chemical, pharmaceutical, food and environmental protection fields.
1. Chemical industry: Negative pressure discharge pumps are often used to transport flammable, explosive, toxic and harmful liquids or gases.
2. Pharmaceutical industry: Negative pressure discharge pumps can be used to extract and separate drug components to ensure safety and product quality during production.
3. Food industry: Negative pressure discharge pumps are used for material transportation during filling and packaging, especially when transporting high-viscosity and easily corrosive food slurries.
4. Environmental protection industry: Negative pressure discharge pumps can be used for sewage treatment and waste gas treatment to effectively prevent environmental pollution.

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