二联件的别称：气源处理二联件。那么它在气动增压类设备发挥着哪些作用呢？
Another name of duplex: air source processing duplex. So what role does it play in pneumatic pressurization equipment?
气压增压泵二联体中过滤度一般为50-75μm，调压范围为0.5-10Mpa，如需过滤精度为5-10μm，10-20μm，25-40μm，及调压为0.05-0.3Mpa，0.05-1Mpa二联体无管连接而成的组件称为二联件。
The filtration degree in the two-part pneumatic booster pump is generally 50-75 μ m. The pressure regulating range is 0.5-10mpa, and the filtering accuracy is 5-10 if required μ m，10-20 μ m，25-40 μ m. And the components with pressure regulation of 0.05-0.3mpa and 0.05-1mpa are called duplex components without pipe connection.
二联件是多数气动增压系统中不可缺少的气源装置，需要安装在用气设备近处，是压缩空气整体质量的保证，气动增压类产品能否得到良好运行的重要保障。
The duplex is an indispensable air source device in most pneumatic pressurization systems. It needs to be installed near the air equipment. It is the guarantee of the overall quality of compressed air and the important guarantee for the good operation of pneumatic pressurization products.
三联体的安装顺序依进气方向分别为空气过滤器、减压阀和油雾器。空气过滤器和减压阀组合在一起可以称为气动二联件。由于气动增压产品的增压缸及驱动缸体是分开的，二联体内部的油雾器需要加装润滑油对驱动缸体进行润滑。但不会对被增压的介质照成污染。
The installation sequence of the triplet is air filter, pressure reducing valve and oil mist according to the air inlet direction. The combination of air filter and pressure reducing valve can be called pneumatic duplex. Since the booster cylinder and drive cylinder of pneumatic booster products are separated, the oil mist inside the two conjoined bodies needs to be lubricated with lubricating oil to lubricate the drive cylinder. But it will not pollute the pressurized medium.
减压阀可对气源进行稳压，使气源处于恒定状态，不会对菲恩特动增压类产品照成损伤（驱动气压应≤8.3bar）可减小因气源气压突变时对气动增压泵或增压设备的损伤。过滤器用于对气源的清洁，可过滤压缩空气中的水份，避免水份随气体进入气动增压泵内部照成气动增压泵寿命下降。
The pressure reducing valve can stabilize the air source, keep the air source in a constant state, and will not damage feiente dynamic pressurization products (the driving air pressure shall be ≤ 8.3bar), which can reduce the damage to the pneumatic booster pump or pressurization equipment due to the sudden change of air pressure of the air source. The filter is used to clean the air source. It can filter the water in the compressed air to prevent the water from entering the pneumatic booster pump with the gas, resulting in the decline of the service life of the pneumatic booster pump.
油雾器可对气动增压泵驱动部分进行润滑，可以对加润滑油的部件进行润滑，大大延长气动泵的使用寿命。
The oil atomizer can lubricate the driving part of the pneumatic booster pump and the lubricated parts, greatly prolonging the service life of the pneumatic pump.
有上诉介绍可以看到，一个小小的二联体可以为您厂内的气动气体增压、及液体增压泵等产品带来很多的好处，且它们的也不贵，配置一个实在是一个明智的选择。
It can be seen from the introduction that a small binary can bring a lot of benefits to the pneumatic gas booster, liquid booster pump and other products in your factory, and their price is not expensive. It is a wise choice to configure one.
