Oxygen generator has an important role in medical and health field, applicable to the treatment and relief of many diseases.
It can improve lung function and cardiovascular and cerebrovascular health. Oxygen generator can improve the oxygen content of the lungs, enhance immunity and promote metabolism. For symptoms such as dyspnoea, chest tightness and shortness of breath, oxygen generator can alleviate these symptoms by increasing the oxygen content of the lungs, promoting local oxygenation, adjusting lung compliance and improving the ratio of local ventilation and blood flow, and oxygen generator has an important role in the respiratory diseases and cardiovascular and cerebrovascular diseases in the chronic treatment of respiratory diseases and cardiovascular diseases.
1、The role of check valves in oxygen generators
The role of the check valve in an oxygen generator is to prevent nitrogen from entering the interior of the oxygen generator through its physical properties. Specifically, the nitrogen check valve for oxygen generator makes use of the principle that the density of air is greater than the density of nitrogen, and through the design of the valve body, valve stem, diaphragm and spring structure, it ensures that the nitrogen in the air is discharged while the air enters into the interior of the oxygen generator, thus increasing the efficiency of oxygen generation, and prolonging the service life of the equipment.
Oxygen generator check valve basic principle and classification
Oxygen generator check valve is a kind of valve used to control the flow direction of oxygen, which usually consists of valve body, valve flap, spring and sealing ring and other components. Its working principle is to use the valve flap and spring to achieve one-way flow under gas pressure, avoiding the danger and damage caused by backflow of oxygen. According to the structure and use, the oxygen generator check valve can be divided into various types, including ball check valve, diaphragm check valve and weighted check valve. Diaphragm check valve has the advantages of small flow resistance and good sealing, which is suitable for the control of high pressure oxygen pump.
3、How to choose the right check valve
Selecting the right check valve for your oxygen generator requires consideration of several key factors:
Applicable Pressure Range: The pressure range that the check valve can withstand is the primary consideration in selection. Generally speaking, the wider the pressure range, the better the performance of the valve.
Applicable temperature range: according to the actual working environment to choose the appropriate temperature range of the valve, to ensure that the check valve in a variety of temperatures can work properly.
Fluid characteristics: fluid characteristics such as viscosity, cleanliness, corrosivity, etc. is also an important factor in the selection of valves. For oxygen generators, the cleanliness and corrosiveness of the fluid is particularly important.
Material: Choose the right material to ensure that the check valve can withstand the pressure and temperature changes when the oxygen generator is working, and at the same time has good corrosion resistance.
Reliability: Ensure it has good reliability and durability
4、What are the appropriate check valves of JT Seiko
To choose our check valve, we have a few suggestions: to consider the flow requirements; pressure loss, suction resistance should be low; the noise can not be too big, need to do noise test.
According to the current customer selection, we have the following choices：
High flow diaphragm: low opening pressure, ≤0.2KPA; high flow; reverse 3 kPa without backflow (CJT056).
l Silent check valve: effectively reduce high-frequency noise, can’t do completely noiseless yet; sometimes there will be low-frequency noise, depending on customer trade-offs (CJT220).
l small flow diaphragm valve: can be recommended for customers with high reverse backflow requirements; no backflow in reverse 2 kPa (CJT215,CJT224,CJT221,CJT222).
l Medical Valve Series: CJT153 Suitable for users with small installation space.
Summary:
Jingteng Seiko has a 100,000 grade dust-free workshop and assembly workshop, automated moulding and assembling equipment, and experienced practitioners, which provide a good production environment and hardware guarantee for products with high precision and cleanliness requirements.
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