Double Piston Continuous Screen Changer for Extruder

• Type: Pipe Extruder
• Plastic Processed: ABS
• Product Type: Granulating Extruder
• Model NO.: GM-DP-R
• Feeding Mode: Multiple Feed
• Assembly Structure: Integral Type Extruder
• Screw: Twin-Screw
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• Exhaust: Exhaust
• Automation: Automatic
• Attribute: Auxiliary Part of Plastic Extruder
• Function: Polymer Melt Filter
• Applicable: PP/PE/PS/EPE/EPS/XPS and So on
• Size: Various Sizes to Be Matched with Extruders
• Transport Package: Seaworthy Packaging
• Specification: SGS
• Trademark: Gmach
• Origin: Zhengzhou
• HS Code: 8421299090
• Production Capacity: 200 Sets/Year

Product Description

GM-DP-R series continuous screen changer for plastic extruder


Benefits of this  GM-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

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, and this part is optional for customers.




Working principle of this GT-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.

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 changer   from 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.

Type	Screen D&A		(mm) overall dimension				Heating power (KW))	Output (kg/h)
	(mm)	(CM²)	L	W	H	L1
GM-DP-R-80	Φ60	28x2	180	170	280	700	2.4/3.2	30-180
GM-DP-R-100	Φ80	50x2	220	200	320	810	3.5/4.7	80-280
GM-DP-R-120	Φ100	78x2	250	220	360	970	5.0/7.2	220-480
GM-DP-R-155	Φ130	113x2	320	270	450	1100	8.2/11.1	300-700
GM-DP-R-170	Φ145	165x2	370	310	480	1320	9.4/12.7	400-1100
GM-DP-R-195	Φ165	214x2	400	380	550	1470	10.2/13.8	650-1500
GM-DP-R-220	Φ180	254x2	440	410	590	1620	13/17.5	800-1800
:,. Remark: As the above specification is subject to change without prior notice