How to choose a high temperature stable stainless steel hose
Liquid nitrogen, a cryogenic liquid with a wide range of applications. Its importance in industry, scientific research, and medical fields is self-evident. However, the special properties of liquid nitrogen also place extremely high demands on the delivery equipment.
There are many ways to deliver liquid nitrogen, including liquid nitrogen pump delivery, liquid nitrogen internal pressure delivery, liquid nitrogen container internal pressure delivery, and liquid nitrogen evaporation and condensation delivery. As a key component of liquid nitrogen transportation, the choice of material for liquid nitrogen delivery hose is crucial. Common liquid nitrogen delivery hoses are as follows:
Stainless steel hose
Stainless steel is a metal material with strong corrosion resistance and high strength. It can withstand the low temperature and high pressure of liquid nitrogen. At the same time, it maintains good mechanical properties and chemical stability.
PTFE hose
PTFE is a polymer compound. Teflon hose has excellent heat resistance and oxidation resistance as well as excellent chemical stability and lubrication properties. Thus it is the ideal choice for liquid nitrogen. Because it can prevent liquid nitrogen from reacting with the surrounding environment. In addition, it can reduce friction resistance and unnecessary heat loss.
HDPE hose
HDPE is also one of the commonly used liquid nitrogen delivery hose materials. It has good low temperature resistance and is not easily deteriorated by liquid nitrogen. In addition, it also has certain pressure resistance and impact resistance. Therefore, it is suitable for high-pressure liquid nitrogen transmission occasions.
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