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> New deublin union 12MM fem 1109-410-248 coolant pop-off
New deublin union 12MM fem 1109-410-248 coolant pop-off
1109 with precision angular contact ball bearings
902 with deep-groove radial ball bearings
labyrinth system and large vents protect bearings
WARNING - Do not run dry with pressure.
Many applications require air pressure to keep the "taper" clean during tool change. With a dead-ended tool, air pressure may be entrapped between the tool and the check valve in the air line keeping the seal faces in contact. Subsequent spindle rotation will cause dry run of seal. To avoid this, the entrapped air must be vented to allow seals to "pop-off".
