Pakistan and Irak centrifuges   There is some interesting information on centrifuge types in an  years old Atomic Scientist article   The article mentions  UltraCentrifuge Nederland UCN  CNOR machines  separative work units  SNOR  separative work units  Urenco consortium  G centrifuge between  and  separative work units per year  G  to  separative work units It is believed that most of Pakistans centrifuges are based on the G design