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    Double Plunger with Back Flush
      System Type Screen Changer with
      Valve System
 
 
 
 


Rajhans Plastic Machinery Pvt. Ltd. brings Self Cleaning Continuous Screen Changer for the processing of thermoplastic extruders. The company was established in 1995 and was the first Indian company to introduce the concept of screen changers in India. Rajhans offers a broad range of international quality screen changers and melt pump system engineered for reliability, productivity and cost-effectiveness in virtually any extrusion processing environment. Today the company is also a major exporter of screen changers.

Operations of Self Cleaning Continuous Screen Changer:
• An All four valves should be kept open as per the given marking on the Top Plate. • Both the Breaker Plungers should be furnished with new clubbed candle meshes (as per the requirement). The Screen Changer becomes ready for starting the Plant when there is proper heating (as given in Fig. No. 1). • For the flushing operation of one side of candle filter mesh, close the Valve '1' and then open all 'C' Valves. This will allow the impure material to come out. • Then gradually open Valve '1' and close all 'C' Valves.




• For changing the candle mesh, gradually close Valve '1' & Valve '4'one after the other. Then remove Breaker Plunger with the help of fixed puller after removing the four fitment bolts. Fit the new candle filter mesh and also fit the protective sleeve. Now fit the Breaker Plunger with the help of puller and then tighten the bolts (refer Fig. No. 3). • Now gradually open Valve '1' for the air venting operation and simultaneously open all 'C' Valves. After this open the Valve '4'. • If the air venting operation done by closing Valves is performed according to a schedule and at regular intervals then this leads to the continuous operation of the line with a new candle mesh. This is called 'Non-Stop Production Line'.

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Special Note:
Please adhere to above operations to ensure your flow of material and product.

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Accessories Available:
  • Special adaptors for die and barrel side as per the specifications.
  • Hand trolley for mounting the Screen Changer.
  • Spare Screen packs and heaters.
  • Hydraulic / Pneumatic actuation if required.
  • Special insulated Guard / Covers are also available if required.

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Advantages:
  • In It filters the plastic material and removes impurities there by preventing damage to the die & barrel and hence increases the life of the machine.
  • Quality of the final product remains consistently good.
  • Leakage problem gets eliminated.
  • Also absolutely eliminates the idle time.
  • Maximum utilization of plant becomes possible.
  • Increases the life of candle mesh due to flushing operation and hence saves money.
  • Easy to operate.
  • Eliminates material wastage.
  • Saves energy due to non-stop working of line.
  • Candle clubbed wire mesh can be changed without stopping the Extruder line and this increases the production.

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Application:
  • Tape Plant
  • Woven Sack Plant
  • Pipe Plant
  • Film Plant
  • Sheet Plant
  • Non-woven Fabric Plant

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Ordering Information:
Please order by filling the form given with the catalogue or log on to www.rajhansindia.com

 
 
Technical Specifications:
Sr. No. Model Out put Kg/Hr. K.W.
1. RJSC -   30 30 to     75  3.0
2. RJSC -   50 50 to    125  4.0
3. RJSC -   65 90 to    175  4.0
4. RJSC -   75 125 to   250  5.0
5. RJSC -   90 200 to   350  5.0
6. RJSC - 105 300 to   450  6.0
7. RJSC - 120 360 tp   600  6.0
8. RJSC - 135 450 to   750  7.0
9. RJSC - 150 400 to 1000 10.0
     
   
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