在此，我司***此款DN80口径的双联粗油滤器，低压粗油滤器做个简单介绍：
Here, our company's most DN80 caliber double coarse oil filter, low pressure crude oil filter is a brief introduction:
双联粗油滤器又称：双联筒式粗油滤器，又叫双联切换油滤器，是由两台筒式油滤器并联或串联组成，两只粗油滤器可交替使用，在不停机的情况下，可以通过双联油滤器的阀芯上面T型标识进行转换，切换工作状态更换过滤筒，也可以双机同时工作。
Double-connected coarse oil filter is also called: double-cylinder type coarse oil filter, also called double-connected oil filter. It is composed of two barrel oil filters in parallel or in series. Two coarse oil filters can be used alternately without stopping. In this case, the T-shaped mark on the valve plug of the double oil filter can be converted, the working state can be replaced by the filter cartridge, or the two machines can work simultaneously.