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How many kilograms of burst pressure can the silicone braided hose for the coffee machine withstand?

Views: 0     Author: Site Editor     Publish Time: 2022-06-27      Origin: Site



How many kilograms of burst pressure can the silicone braided hose for the coffee machine withstand?



coffee machine silicone hose


The coffee machines from is prevalent in the world, bringing people a mellow and refreshing drink, which can greatly save the time for making coffee. This fully automatic process is carried out under high temperature and high pressure, and silica gel is a high temperature resistant. The material can meet both food-grade requirements and can be woven and compressive, which is a perfect fit for coffee machines, but it needs to meet the compressive requirements before it can be installed and used. Up to now, the general compressive requirements of coffee machines are 30~40KG. If the weaving process is not used, it can only be used alone. The silicone hose for drainage does not meet the requirements. The conventional silicone tubing has a low anti-burst pressure, but it can't meets the requirements. Then, the surface of the silicone hose is braided to assist the silicone hose to resist compression.


After weaving, the silicone transmits the pressure resistance inside the coffee machine to the braid, and the braid is woven with a mesh structure to subdivide the pressure to other braids, in order to prevent rupture under higher pressure shocks. A layer of silicone tube is often placed on the outer surface of the braid, and the pressure can be circulated in the three links of silicone, braid, and outer silicone, so that each surface can bear the pressure on average, but there is also an upper limit. The silicone braided tube of the coffee machine can withstand the burst pressure. It should not exceed 45 kg and should be controlled between 25 and 30 kg as much as possible. This is the ideal guide for the use of blasting pressure.


The silicone braided hose needs to withstand the high-pressure environment of the coffee machine to reach the FDA food-grade level, so the manufacturer will use high-transparency and high-quality silicone raw materials when extruding and producing, so there is no need to worry about safety issues. The problem can be solved from the source. In addition, there is a method to slightly increase the upper limit of the blasting pressure and perform secondary vulcanization on the basis of the original. Usually, after the secondary vulcanization, the blasting pressure of about 30~35 kg is increased to ≥38 kg, and after weaving The outer tube will be a little loose. At this time, the silicone will be re-vulcanized. The whole silicone braided tubing will be finely shrunk and fit very tightly, so that each compression point will be more precise and uniform, and it will not break easily.


The silicone braided tube of the coffee machine has a stronger pressure bearing capacity than other braided tubes because the pressure entering the tube is not large due to the relatively small diameter, resulting in a relatively high burst pressure per square of the silicone, so the pressure is higher than other braided tubes. In addition, the size of the silicone braided tube will directly affect the pressure. For example, the smaller the size of the silicone braided tube in the coffee machine, the higher the pressure resistance, and the mainstream sizes are 3*8, 4*8, 4*9, 5*11. The wall thicknesses are 2.5mm, 2mm, 2.5mm, and 3mm, respectively. The compressive capacity of the thicker wall will naturally be higher than that of the thinner wall. The diameter of the pipe should not be too large to meet the daily use specifications, but the more it is, the higher the pressure resistance will be. To sum up, the factors that can affect the burst pressure of the silicone braided tube of the coffee machine are: braid, product size, secondary vulcanization, and wall thickness. If these four aspects are done without problems, it can reach ≥38 The pressure above kilograms is very high in most silicone braided tubes.



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