China Double Piston Type Continuous Hydraulic Screen Changer for PP Nonwoven Fabric Extruder

Double piston type continuous hydraulic screen changer for plastic extruder
This GM-DP-R series continuous screen changer/ melt filter is consist of
The main body of the screen changer
Hydraulic unit
Electrical controlling pack

Characteristics of GM-DP-R series continuous screen changer/melt filter
Two round removable breaker plates on each bearing piston
"Continuous type" means operation of screen change without machine halt or disruption of melt flow.
Fit for almost all kinds of polymers
It works well under the high pressure 400bar(40Mpa) not impact the high performance.
The filtration screen area covers from 56cm² to 520cm², depending on the size, fit for output range from 30kg/h to 1800kg/h.
Technical data
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:
3)Control system
Electrical controlling system: warnning device,pressure and temperature transducer, are included
Screen changer type and parameter

Type
ScreenD&A
Overall &dimension
(mm)
Heating power
(KW))
Output
(kg/h)

Dia(mm)
Filtration area(Cm²)
L
W
H
L1


GM-DP-R-80
60
28x2
180
170
280
700
2.4/3.2
30-180
GM-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
GM-DP-R-155
130
113x2
320
270
450
1100
8.2/11.1
300-700
GM-DP-R-170
145
165x2
370
310
480
1320
9.4/12.7
400-1100
GM-DP-R-195
165
214x2
400
380
550
1470
10.2/13.8
650-1500
GM-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.
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
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 changerfrom our factory is the best quality.
Packaging
Seaworthy packaging
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.