• 

  Siemens 6RA7093-4KS22-0-Z

• 

  Hoerbiger MSV221RA10P A4

• 

  Matsushita (Panasonic) M7RA15G4W

• 

  Castel HM2,110V 9100/RA4

• 

  Burndy CTB150RA4C

• 

  Stabilus 9068RA/600N/P4/T4

• 

  Swagelok SS-4-RA-2

• 

  Meca-Inox PZ4L15NI032L0RA

• 

  FUJITSU-TAKAMISAWA RA4-24W-K obsolete

• 

  Bucher Hydraulics LA06P4RA-M062