EM600 Asphalt Gear Metering Pump

In order to prevent the liquid from cooling and solidifying in the pump and pipeline, it is necessary to supplement the heat loss through an external heating source.

Common heating methods include electric heating and insulation jacket heating.

The following shows electric heating

1. Principle: Wrap electric heating wire or electric heating sheet around the outside of the pump body and suction/discharge pipeline, convert electrical energy into thermal energy, and directly heat the pump and liquid.
2. Advantages: temperature controllable (power adjusted by thermostat), flexible installation (suitable for small pumps or complex pipelines), no need for external steam/hot water source, suitable for small and medium flow scenarios.
3. Detailed design:
The electric heating element needs to fit tightly with the pump body/pipeline (such as using silicone rubber heating sheet to wrap the pump head) to ensure heat conduction efficiency;
The heating power needs to match the heat loss (the lower the ambient temperature and the longer the pipeline, the greater the power demand) to avoid insufficient heating or overheating.

performance parameter table of EM600 asphalt gear metering pump

Key Selection Considerations
1. Clarify media parameters: Based on the working temperature and viscosity of the asphalt, select the corresponding pump body material and heating power (higher viscosity and temperature require higher power heating elements).
2. Determine flow rate and pressure: Determine the rated flow rate (typically 0.2-5 m³/h) and working pressure (maximum 35 MPa) based on production requirements, and select a gear pump with a suitable displacement.
3. Match temperature control requirements: For applications requiring high temperature accuracy, select a model with temperature control; explosion-proof motors are required for hazardous environments.
4. Consider the installation environment: For outdoor low-temperature environments, select models with thicker insulation layers; for corrosive media, prioritize stainless steel pump bodies.

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