Brezoljen vijak - Nabor brezoljnih vijakov ZT/ZR55-90
A set of low hours run (23000 hours) Atlas Copco ZT/ZR55 - 90 oil free rotary screw elements, good for 60000-80000 hours, on test before removal intercooler on load 2.25bar and off load 0.6bar, temperatures well within normal parameters