PolyFilter Rajhans Duel Bolt Continuous, Un-Interrupted Series
The DB Rajhans/PolyFilter Series.

The DB-2 and DBBF-4 series screenchangers for uninterrupted, continuous flow are
process-proven and manufactured to exact tolerances..but economical to install.
Both screenchangers are backed by Rajhans' thirty plus years of designing and
manufacturing quality screenchangers.

The DP-2. The Duel Bolt screenchanger has two filter assemblies - one per bolt - for
continuous, uninterrupted filtration. The hydraulic power pack is equipped with the Senor
accumulator for super fast change.

Application: Ideal for low to moderate contaminated application.  Sheet, Pipe,
Profile. Compounding-Strand and Underwater pelletizing. Pipe. Adapter for twin
screw.

The PBBF-4.
 When the application requires heavy duty continuous, uninterrupted
filtration with minimum screen changes and operator monitoring, the Duel Bolt -
Back Flush with 2 filter assemblies per bolt is the answer.
Application:  Recycle/reclaim with heavy contamination. Sheet, Pipe, Profile.
Compounding-Strand and Underwater pelletizing. Pipe. Adapter for twin screw.

Polymers:  
PE, HDPE, PP, PS, PE, PS, ABS, Nylon.  Special:  PVC (flexible) and PC.
PolyFilter Home Page CF BackFlush Duel Bolt Interrupted Flow Info or Quote
Duel Bolt with 2 Filter Assemblies-Automated Operation
Duel Bolt with 2 filter assemblies per bolt. Automated operation.
Technicial Information
DP -2
DPBF - 4
Pressure:
5,000 PSI/ 350 BAR
5,000 PSI/ 350 BAR
Heater   240v :
Cartridge
Cartridge
Throughtput KG/Lb/hr
80/180 -
1250/2,750
Extuder Range
6"
6"
Standard
Hydraulic Power Packs
& Controls