• Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine
  • Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine

Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine

Screw: Twin-Screw
Engagement System: Full Intermeshing
Screw Channel Structure: Deep Screw
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized

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Basic Info.

Model NO.
GM-DP-R series
Attribute
Auxiliary Part of Plastic Extruder
Installation Position
Screw End and Extrusion Die
Function
Polymer Melt Filter
Main Material
High Quality of Alloy Steel
Drive Mode
Hydraulically
Heating Mode
Electric Heating Tube and Sheet
Automatic or Not
Semi-Automatic
Application Fields
Pipe/Cast Film/Sheet/Granules and So on
Suitable Materials
PP/PE/PS/EPE/EPS/XPS and So on
Size
Be Matched with Extruders
Transport Package
Seaworthy Packaging
Specification
SGS, CE
Trademark
Gmach
Origin
Zhengzhou
HS Code
8421299090
Production Capacity
200 Sets/Year

Product Description




Dual piston continuous screen pack changer for LDPE/HDPE raw material granules machine


Benefits of this M-DP-R series continuous screen changer for plastic extruder
Increased production
Reduced downtime & scrap
Leak-free operation
Increased filtration area
Reduced inlet pressures
Accurate, repeatable screen changes
Reduced maintenance




2)Drive system: Hydraulic unit:

3)Control system
Electrical controlling system: Warnning device, pressure and temperature transducer, are included, and this part is optional for customers.





Working principle of this GM-DP-R series continuous screen changer

As the polymer melt enters the main body ofthe screen changer, the melt stream is divided equally and flows into the two channels, go through the two breaker plates, and the impurities are intercepted by the screen mesh, and when screen changing is required, one of the pistons with blocked screen pack is pushed out by hydraulic unit, and the other is still on the working position, we replace the fresh screen and then the piston with new screen is pushed into the working position, at this time, the air bleeding system also begin to work. The other piston screen change is the same with above. This type of continuous screen changer maintains a continuous melt flow.

Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine

Benifits of this GM-DP-R series Extrusion screen pack changers continuous screen changer
1, Eliminates line shutdown thus increasing production
2, Leakage-free process
3, Two breaker plates design increases filtration area compared to single breaker plate design
4, Reduced downtime & scrap
5, Reduced inlet pressure at extrusion die
6, Reduced temperature variations in the melt ·
7, Equiped with gas venting system
8, Customized design


The structure and parameter data of GM-DP-R series Extrusion screen pack changers continuous screen changer
1)The main body of the screen changer
Raw material: Alloy steel(38CrMoAlA)
Surface treatment: Nitriding treatment
Depth of Nitrated Layer: 0.40-0.70mm
Nitrided hardness: 950-1050Hv
Fragility of nitration: Less than grade 1
Flow channel treatment: Chrome plated
Depth of chromium-plating: 0.05-0.1mm
Hardness of surface after chromium-plating: HV950HV
2)Drive system: Hydraulic unit:
Hydraulic unit
3)Control system
Electrical controlling system: Warnning device, pressure and temperature transducer, are included, and this part is optional by customers

Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine
Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine

Applications

1. Non-woven.
2. Granulation.
3. Pipe.
4. Plate.
5. Sheet.
6. Cast film.
Non-woven fabrics extrusion machine
Plastic granulator
PP/PE/PPR pipe extrusion line
PP/PE plate extruder
Sheet extruder
PET monofilament extrusion machine
PET strap extrusion machine



Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine


Quality inspection
We take only first-class steel and check every production procedure to ensure every dimension is produced precisely. A final complete inspection will be executed before delivery. We guarrantee that every set of scren changer from our factory is the best quality.
Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine

Packaging
Seaworthy packaging

Dual Piston Continuous Screen Pack Changer for LDPE/HDPE Raw Material Granules Machine



Commissioning
We provide the operation manual for customers to gudie to install the screen changer, and at the requirement of user, salers should send technician to install and commissioning the die at site of Buyers, expenses of the trip should be borne by Buyers.

After-sales service
12 months with proper operation by user, all the spare parts shall be replaced free of charge under guarantee period, fee for transportation and packing will be borne by users.

Type

ScreenD&A
 
Overall  & dimension
    (mm)

Heating   power
(KW))

Output
(kg/h)
  Dia (mm) Filtration area (cm² ) L W H L1    
G M -DP-R-80 60 28x2 180 170 280 700 2.4/3.2 30-180
G M -DP-R-100 80 50x2 220 200 320 810 3.5/4.7 80-280
GM -DP-R-120 100 78x2 250 220 360 970 5.0/7.2 220-480
G M -DP-R-155 130 113x2 320 270 450 1100 8.2/11.1 300-700
G M -DP-R-170 145 165x2 370 310 480 1320 9.4/12.7 400-1100
G M -DP-R-195 165 214x2 400 380 550 1470 10.2/13.8 650-1500
G M -DP-R-220 180 254x2 440 410 590 1620 13/17.5 800-1800
Remark: The output rates depend on the individual  extrusion  process parameters.

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