Rajhans Plastic Machinery Pvt. Ltd manufactures Double Plunger Continuous Screen Changer. Rajhans Plastic Machinery Pvt. Ltd is an ISO 9001: 2000 accredited company. The Double Plunger Continuous Screen Changer is used for the processing of thermoplastic extruders and is available with Special Automatic Operation by means of sensor system for pre-filling as well as air venting system. The Screen Changer filters the plastic material and removes impurities there by preventing damage to the die and barrel and hence increases the life of the machine.