... 630 type hydraulic pressure filter press Technical characteristics1, There are two kinds of hydraulic pressure deviceOne is called "hydraulic pressure locknut locking type". After hydraulic ... from plate frame in the filtering process.2, Hydraulic pressure type filter press is easy to operation. It saves time and ... etc.4, 450, 630, 800, 1000, 1250, 1500 type filter press’s operation way is hydraulic