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Double piston continuous screen changer
Double piston continuous screen changer is used to optimize filtration in a continuous process. Different types of double piston continuous screen changers, their benefits, and application limits are as follows.

Double piston continuous screen changer

Double piston continuous screen changers benefits:
Simple operation and uncomplicated changing
High operational reliability
Short material residence time
Low pressure consumption
Flow channel geometry without any spots

Double piston continuous screen changer models:
Standard double-piston screen changer: after retrofitting, it is now possible to maximize the filtration area on any existing continuous screen changer, by a factor of up to 2.5x.
Standard double-piston screen changer
Extrusion screen changer with start-up valve
Continuous operation with integrated start-up assistance
Screen changer with enlarged filter area
Continuous operation with enlarged filter area
Continuous screen changer for extrusion and compounding
Single-piston screen changer with continuous operation has been specifically developed for the extrusion industry and includes curved breaker plates (patent pending), bringing up to 4 times more filtration surface, with 75% of the active piston surface now acting as filtration area.
The screen changer that maximizes filtration area

Double piston continuous screen changer application limits:
Temperature [°C]: up to 330, 350
Operating pressure [bar]: 500, 350
Differential pressure [bar]: to 100
Screen diameter [mm]: 2 x 30 to 2 x 508, 96 x 159 to 400 x 560, 1 x 58.3 to 1 x 270.0, up to 4.4 as compared to current CSC values
Filtration area [cm2]: 2 x 7 to 2 x 2,026, 2 x 133 to 2 x 1,896, 1 x 27 to 1 x 572, 2 x 287 to 2 x 4747

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As one of screen changer manufacturers in China, Batte supplies extrusion screen changer, especially hydraulic screen changers.