... cooled.Pneumatic clutches for upper and lower extruders are supplied by Eton, USA.Level probe inside the vacuum chamber is to ... the upper extruder.Switches and other electric components are supplied by Schneider, France.Frequency adjustable A.C. drive is supplied ... .Operation panel is supplied by Rittal, Germany.Touch screen by EM, Taiwan.PLC by Allen Bradley, USA.Level probe by E+H, Germany. 1000ES-DR ...