Circular Knitting Machine: In this machine the needles are implanted on a circular cylinder, which when used creates a seamless tube of fabric, by joining the stiches from the needles.
Double Jersey Machine: Double jersey machines have two sets of needles; one on dial and as well as on cylinder. There are no sinkers in double jersey machines.
This double arrangement of needles allows the fabric to be manufactured which is twice as thick as the single jersey fabric, known as double jersey fabric
Read about all 8 Types of Circular Knitting Machines