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Factors to consider when purchasing metal hose connectors - focus on microfluidic control technology
The use of fast metal hose joints should comply with the relevant industrial technical specifications, and the following factors should be considered when purchasing:
First, select the appropriate structure and material according to the corresponding use environment.
Including the humidity conditions of the environment, the condition of the dust, and whether it is easy to corrode, etc., to comprehensively consider the type of the quick connector, the body material, and the sealing material. If the metal hose fitting is exposed to a chemically corrosive environment such as salt water or acid gas, only stainless steel or brass fittings are available as specified.
The second is to select the appropriate structure and material according to the type and temperature of the fluid.
Different types of fluids and body materials, sealing materials, need to be equipped with different metal hose quick connectors. If it is air, it is recommended to use metal joints made of steel; if it is water, it is recommended to use brass or stainless steel joints. Therefore, the choice of metal hose joints should take into account the chemical composition of the fluid, temperature and pressure and the consistency of the pipe joint. In order to avoid the erosion of mineral oil and synthetic fluids, most pipe joints are plated. If a rubber seal is used as a fitting part, the seal material must be compatible with the fluid.
The third is to select the appropriate gold soft hose joint according to the structure of the automatic opening and closing valve.
The construction of the valve usually has two-way switch type, one-way switch type and two-way open type. When you purchase a metal hose connector, you have to figure out which type it is. Since the fluid flows out of the pipe in addition to the two-way switch type at the time of separation, it is necessary to select a quick joint of a valve structure suitable for piping use. The crimped metal hose joint requires less space than the detachable pipe joint, and the weight is 15% smaller than the detachable type, which can utilize the effective space economically and reduce the volume and weight of the entire system. Permanent crimping fittings should be used for high pressure piping because detachable fittings are not easily installed on hoses reinforced with four or six layers of spiral wire.
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