Performance characteristics of A. The single board double station quick screenchanger is a cost-effective device with excellent performance. It can quickly switch the filter network in 0.4 seconds, change the net movement quickly, the material flow is small, the material is not leaked, the pressure is high, the filter area is large, the operation is simple, the net change is quick, the high anti wear, the high compression pressure, the high precision filter design, the effective area and the qua