Hydraulic Screen Changer with Backflush Self Cleaning System for Plastic Extruder

Hydraulic Screen Changer with Backflush Self Cleaning System for Plastic Extruder

Although we registrated as a investing organization below , but we have our personal manufacturing facility, geared up with all necessary merchandise processing machinery. So we can manage and ensure the high quality of all our products.We do not just market the items but also give the greatest answer for you, your good results is our final goal.
We assure to all clients: Services daily life of our items up to ten years, and routine maintenance for free within one particular 12 months .
Cooperate with us =Get the ideal solutions 
Product Description

Self-cleaning backflush extrusion display screen changer for twin screw extruder
GM-DP-BF sequence Automatic  backflush screen changer( double piston display changer with four functioning positions)

In order to considerably increase the lifetime of the filter media CZPT offers automatic backflush screen changers.
Functioning principle (backflush approach)of this  double piston backflush display screen changer with 4 screen cavities fortwin screw extruder
These systems work as follows: When a pre-defined pollution degree is reached, the backflushing automatically starts.
Then the contaminations from the screen pack are led out of the machine via a spillway. The contaminated backflush mass leaves the machine by means of heated backflush outlet pipes which are installed at the screen changer housing. There the small quantity may be removed or collected.

With the-channel screen changers additional slide valves are used at the backflush channels. There is no interference of the process during backflushing.
Features included
1,Continuously working melt filter
2,4 working stations 
three,venting groove can discharge the gas mixed in the raw material 
4, no interference during the process of backflushing
5,the screen cleaning reached 85%
6, long life span of the filtration screen pack/mesh , it owning to up to 100 times backflushing at most.

The display screen changer completed

display screen modify process
The screen changer and fuel venting method of this kind of   Double piston backflush screen changer with 4 monitor cavities fortwin screw extruder
The following procedure is based mostly on standing confront to the screen changer and extruder
1 rod is pushed out on the remaining facet of the housing of the display changer by hydraulically
the blocked filter display screen pack is taken out and replaced by a new 1
the rod is pushed into the housing of the display changer
this rod is pushed out on the rignht side of the housing of the display changer by hydraulically.
the other one particular blocked filter display pack on this rod is removed and changed by a fresh 1.
the other rods repeat the previously mentioned measures
The gasoline venting systen begins to perform when the rod is pushed into the housing of the monitor changer, and the pursuing photo present the method of fuel venting of this type of dual rods ongoing extrusion display screen changer for polymer soften filtration.

Principal application fields of  Double piston backflush display screen changer with 4 screen cavities fortwin screw extruder
for compounding, semi-finished production, recycling, manufacturing of fibers, polymerization, film extrusion
for fully automatic production processes
About CZPT

HangCZPT CZPT Machinery Co.,Ltd, a high-tech company with deep technology background and strong work team and services in CZPT. Our global team is dedicated to equipping our customers with the competitive solutions. Our business across the hydraulic screen changer/ melt filter, melt gear pump, extrusion dies,and plastie recycling granulator.


CZPT is a young and a  rapidly growing company, it has a large number of sensior technicians and and full of passion and ambitious young people.  the deep technical background and  sense of responsibility  work team determine it is standing on  a high starting point.  


We do not just supply  the products , but also provide value-added  solutions to more customers in more markets all around the world . In the process, we’re helping manufacturers everywhere improve productivity, cut costs, increase energy efficiency, eliminate scrap, reduce cycle times and do whatever else it takes to succeed in today’s complex global economy.


Our team is  committed to provide customers the best products with ever improving design. Strict production and quality control,and the perfect pre-sales and post-sales services.


We are on the way to be your most reliable and CZPT partner, now more than ever.

CZPT Factory & exhibition & Certification

 Types and parameter

Sort ScreenD&A
Over all dimension Heating power
  Dia(mm) Filtration area(C) L1 L2 L3    
GM-DP-BF-one hundred twenty a hundred 78×4 220 180 1160 two.4/3.2 260-760
GM-DP-BF-one hundred thirty five a hundred and fifteen 104×4 250 205 1280 three.5/four.seven four hundred-1100
GM-DP-BF-155 a hundred thirty five 143×4 270 225 1420 five./seven.2 600-1400
GM-DP-BF-160 one hundred forty five 165×4 310 260 1600 8.two/eleven.1 800-2000
GM-DP-BF-one hundred seventy 150 177×4 370 310 1750 9.four/12.7 1350-3000
GM-DP-BF-195 175 240×4 380 320 1900 10.two/13.8 1600-3800
GM-DP-BF-220 200 314×4 410 350 2100 thirteen/17.five 1800-4500
GM-DP-BF-250 230 415×4 460 405 2760 15/21.5 2000-5000

Optional decision
assistance stands
down stream equipments: suach as CZPT soften gear pump
filter mesh/display screen
vacuum cleaning furnace

Suggestions for buyers
How to decide on a most suitable kind of display changer for your extrusion line ?
Right after the products supplier making a measurement advice and then you must complete your personal analysis to confirm suitable sizing. That way, you will have the benefit of independent analyses and, greatest of all, there is no additional price.
Find out the variation among cost and cost. Be certain to just take into consideration all of the variables and search at all the aspects to establish the actual expense of ownership for the display screen changer. Some of the hidden variables to think about could be:
Item good quality.
Upkeep, time and expense of components.
Approach downtime and value.
Life expectancy for the equipment and amortized expense of possession.
Cost and availability of filtration media.
Force decline and impact on line output and product quality.
Operator security.
Essential operator intervention and labor price.
If all of these and other variables are taken into consideration, you can decide on the most appropriate resolution, and then you can count on a considerably far better return on investment decision.

Hydraulic Screen Changer with Backflush Self Cleaning System for Plastic Extruder