Prevent a decrease in the sealing and lubrication effect of coffee machine components

2024-10-31

Coffee manufacturers need to use sealing rings at the parts where the container is connected to the body and the parts where it is connected to the pipeline, but in order to further improve the sealing effect of the sealing rings, food grade Sealing Grease is used. The temperature of the coffee machine will increase after heating. Considering the sealing effect of the sealing ring, the selected grease should have excellent high temperature resistance and good compatibility with the sealing ring.
When choosing lubricating grease, it is important to pay attention to selecting the appropriate grease for the coffee machine. You can choose food grade lubricating grease, which will not affect coffee or cause harm to the human body. In addition, it is necessary to pay attention to the viscosity and temperature range of the lubricating grease to ensure that it can adapt to the working environment of the coffee machine.

When selecting a suitable lubricant for the coffee machine’s exhaust valve, it’s important to focus on the following key parameters to ensure effective sealing in a high-temperature, frequent-opening environment:

1.Operating Temperature Range: Ensure the lubricant can withstand high temperatures without volatilizing, decomposing, or affecting the seal. Since coffee machine exhaust valves are typically exposed to steam at around 100°C, a lubricant with a temperature upper limit of at least 150°C is recommended.

2.Viscosity: Appropriate viscosity helps the lubricant remain stable at high temperatures without leaking and stay soft at low temperatures. Generally, a medium to high-viscosity lubricant is ideal. For instance, a dynamic viscosity in the range of 30-100 cSt is usually suitable, though the exact range can be adjusted based on valve body material.

3.Steam Resistance: Choose a lubricant with steam resistance to withstand high humidity and temperatures without decomposing due to steam exposure. This ensures long-term use without affecting sealing performance or leaving residue.

4.Material Compatibility: The lubricant should be compatible with the valve materials without causing corrosion or damage. Check for compatibility with common materials like metal, silicone, and Teflon to avoid deformation or degradation of sealing rings or other components.

5.Oxidation Stability: Oxidation stability is crucial for evaluating the lubricant’s durability. A lubricant that resists oxidation or degradation at high temperatures will have a longer service life, reducing the need for frequent replacement.

6.Food Safety (if there is a risk of food contact): For home or commercial coffee machines, choosing a lubricant certified as food-safe by FDA or NSF H1 standards is safer. Even if the lubricant occasionally comes into contact with steam, it won’t pose a health risk.

FRTLUBE Food Grade Grease SG805S provides lubricants that meet these parameter requirements, which not only extend the service life of exhaust valves but also improve the overall performance stability of equipment.

FFRTLUBE Food Grade Grease SG805Sis a special base oil thickened with a special thickener, and refined with various high-efficiency additives and high vacuum Silicone Grease through a special process. It has excellent high-temperature stability and sealing lubrication performance. Commonly used in the daily maintenance and upkeep of coffee machines and other application areas.