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Plate type screen changer
Plate type screen changer is used in all fields of polymer extrusion. Screen changers for polymer extrusion also called extruder screen changer, will meet your melt filtration needs of your extrusion lines.

single plate screen changer      single plate screen changer with four screen cavities
single plate screen changer  with two screen cavities      single plate screen changer with four screen cavities

double plate screen changer
double plate screen changer

Plate type screen changer properties and applications:
The extrusion screen changer is a manual or automatic switching device including one or more filters for filtering the particles and impurities from the filter when the material flow is used in the plastic flow.. Filtering net supported by a porous alloy plate, perforated plate installed on the plate or column vector, while the carrier is moved to a system of job position and offline in the non working position switch between.
The exchanger can be fitted to any new or existing extruder, melt pump, reactor or other extrusion production line.. Screen changer for extruder can be used to filter any type of polymer, rubber or ceramic melt, especially screen changers for polymer extrusion, rubber extrusion.

Single-plate hydraulic screen changer with double working positions features:
This series use overall structure with small dimension and short flow channel. It can be used with kinds of standard extruders.
Adopt pressure-driven sealing system design. Sealing gap can be compensated automatically. It can meet any polymer high production capacity with no stop and leakage.
Screen changing process can complete in 2 seconds with pressure accumulator.
At the condition of 25-30Mpa pressure and high temperature 300℃, it can work well.
Filtration area diameter range ¢50-¢360mm
It can be used for sheet, plate, pipe, film, blown film, wire, cable, profile, granulation and most of thermoplastic materials.

It is designed with leakproof sealing system. Matched with extruders of different specification. It is applicable to process with most polymers, at high output.
Screen changing time is within 2 seconds, and screening area covers from Ф70 toФ400.
With highly precise design, the screen has very good abrasive resistant, high pressure performance, so as to ensure large effective filtering area and enhance filtering effect.
It work well even under the high temperature of 300℃ and high pressure of 25Mpa-50Mpa.

Single-plate hydraulic screen changer with double working positions specifications:

Type Output
Kg/h
Size (mm) Screen size Heating tube
L1 L2 L3 L4 Ф(mm) cm2 V KW
ZB-SSP-A-70 75~200 100 715 170 240 Ф70 38 230/400 3.5/5.8
ZB-SSP-A-100 130~350 110 815 185 280 Ф100 78 230/400 4.5/6.8
ZB-SSP-A-120 200~550 130 880 205 320 Ф120 113 230/400 5.2/7.2
ZB-SSP-A-150 350~800 150 990 235 360 Ф150 176 230/400 6.5/8.5
ZB-SSP-A-180 450~1250 160 1035 245 360 Ф180 254 230/400 7.6/9.5
ZB-SSP-A-200 550~1500 180 1155 280 420 Ф200 314 230/400 8.5/11
ZB-SSP-A-250 800~2500 225 1260 300 430 Ф250 490 230/400 9.5/12
ZB-SSP-A-300 1200~3500 260 1440 380 500 Ф300 706 230/400 11.5/15.5
ZB-SSP-A-320 1500~4000 300 1660 400 560 Ф320 803 230/400 13/17.5

Type Output
Kg/h
Size (mm) Screen size Heating tube
L1 L2 L3 Ф(mm) cm2 V KW
ZB-SSP-B-70 75~200 115 715 170 Ф70 38 230/400 3.5/5.8
ZB-SSP-B-100 130~350 135 815 185 Ф100 78 230/400 4.5/6.8
ZB-SSP-B-120 200~550 150 880 205 Ф120 113 230/400 5.2/7.2
ZB-SSP-B-150 350~800 170 995 235 Ф150 176 230/400 6.5/8.5
ZB-SSP-B-180 450~1250 185 1120 245 Ф180 254 230/400 7.6/9.5
ZB-SSP-B-200 550~1500 225 1255 280 Ф200 314 230/400 8.5/11
ZB-SSP-B-250 800~2500 260 1325 300 Ф250 490 230/400 9.5/12
ZB-SSP-B-300 1200~3500 285 1470 380 Ф300 706 230/400 11.5/15.5
ZB-SSP-B-320 1500~4000 300 1660 400 Ф320 803 230/400 13/17.5
 
Single plate hydraulic screen changer with four working station features, advantages, and technical design:
It consists of filter body and four separate filter blocks. Filter blocks work by turns.
Small fluctuation of pressure in process can keep production continuous and stable.
With filter plate preheat and exhaust, it can keep pressure, flow and temperature stable. It is especially for high transparency and precision products.
It can change filter plate with no leakage, no damage film, no break thread, no stop.
Filter plates move in one-way, work independently, easy to clean.
It can be used for granulation, pipe, plate, sheet, EPE, EPS pearl wool, xps extruded sheet, PVB bursting disk, space plate, squeeze net, BOPET/BOPP, chemical fibers. In PE, PP, drawbench, PEP, EPS production lines, the effect is stable and remarkable. Improved products can meet drawbench of PET and other polyester products.

Four screen cavities plate screen changer principle of operation:
The below of drawing shows the basic function and specification of the single plate type four working station hydraulic screen changer. The four pieces of square shape filter plate are placed between inlet and outlet. The hydraulic station will supply the necessary power to push each screen move to the working station with proper movement. The stainless filter holes will smoothly move into the flow channel without causing much fluctuation and meantime realize self-cleaning function.

Four screen cavities plate screen changer specifications:

Type Output
Kg/h
Size (mm) Screen size Heating tube
L1 L2 L3 L4 Ф(mm) cm2 V KW
ZB-FSP-70 50~250 170 240 270 850 Ф70 38 230/400 3.2
ZB-FSP-100 220~480 200 280 375 1000 Ф100 78 230/400 4.8
ZB-FSP-120 320~600 240 320 435 1150 Ф120 113 230/400 6.0
ZB-FSP-150 420~900 260 320 525 1400 Ф150 176 230/400 7.2
ZB-FSP-200 500~1100 280 380 700 1750 Ф200 314 230/400 8.2

Double plate type double working station screen changer features:
It realizes non stop screen changing operation by two pillar with double filtering areas.
Designed lead material exhaust structure, during changing screen with material flow no stop, and then realize no stop changing screen.
Suitable for most polymer extruded production.
During changing screen with no stop production, it cannot cause fluctuation to extruders.
It can work well in 25-30Mpa pressure condition.
It is used for chemical, blown film, flat film, cast film, pipe, plate, wire, fiber, cutting line, recycling and so on.
Simple operation, simple screen changing, and continuous working.
Easy maintenance, leak-free processing, endures precise processing, high product quality and reduced waste materials.

Double plate type double working station screen changer specifications:
Type Output
Kg/h
Size (mm) Screen size Heating tube
L1 L2 L3 L4 Ф(mm) cm2 Quantity V KW
ZB-DSP-80 110~300 140 775 220 330 Ф80 50×2 6 230/400 1.2/1.7
ZB-DSP-100 180~500 170 895 250 400 Ф100 78×2 6 230/400 1.6/2.0
ZB-DSP-120 350~800 200 1005 310 470 Ф120 113×2 6 230/400 2.0/2.4
ZB-DSP-150 450~1200 245 1170 350 560 Ф150 176×2 6 230/400 2.4/3.0
ZB-DSP-180 500~1500 290 1335 440 600 Ф180 254×2 6 230/400 4.0/4.8
ZB-DSP-200 800~2500 320 1455 450 670 Ф200 314×2 8 230/400 4.5/5.3
ZB-DSP-250 1100~3700 395 1760 490 760 Ф250 490×2 8 230/400 5.0/6.0
 

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Double column screen changer
Manual screen changer for extrusion
Filter without wire mesh

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