gear pumps, get through the pressure sensor and make sure the material is steady output,adjust extruder speed .

gear pump: 

many kinds of size and model for metering pump,it almost can use for all row material ,and make sure the pressure steady. 

many kinds of size and model for metering pump,it almost can use for all row material ,and make sure the pressure steady.

5,Maximum outlet pressure   35Mpa

6.Minimum Inlet pressure    ≥ 0 Mpa

7,Working temperature     ≤ 350C

8,Heating power         4KW

9,driving power         7.5kw

gear pump