This kind of screen changer is designed based on the single plate screen changer, they looks simlar in apperance,but wheb open the protection cover, you will find they are totally different.
This DHBL continuous screen changer equiped with two square breaker plates, and they are very close . also this kind of screen changer applied the material feed system and exhausted system. no interrupt the production and no need to stop the working machine when change the screen.


With the innovative continuous flow screen changers DHBL, the construction complexity is reduced to a minimum and the material quality is guaranteed. The new sealing system allows its use also on extrusion lines working with very high pressure levels. After successfully testing on flat sheet and pipes extrusion lines, with strand dies and under water pelletizers, and hot melt coating. A simple and effective sealing system with interchangeable components allows even complex maintenance at the customer site, minimizing downtime and costs.




The following picture shows the screen changer (Continuous screen changer for XPS/EPE/EPS foaming polymer melt filtration)working process.

Applications
1,applicable to all kinds of plastic products
2,applicable to the production line of chemical fiber, rubber, collosol, adhesive, coating and finishing materials and other blending agent products, used for filtration of the material mixture.

Some pictures of the screen changer before delivery and applied for the production line.