Union, Pop-Off, Pin-Drive, 12 mm pilot, G 3/8"


1109-410-248
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Allows axial drawbar movement up to 19 mm
- Full-flow design has no obstructions to trap swarf or debris
- Bore-mounted design for easy installation
- Matched, ISO class P4 hybrid ball bearings for smooth operation at high speeds
- Labyrinth system and large vents to protect ball bearings
- Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
- Anodized aluminum and stainless steel parts resist corrosion
Dimensions

A
Pin-DrivePin-Drive
B
G 3/8"-19G 3/8"-19
C
58 mm2.283 "
D1
144 mm5.669 "
E
39.3 mm1.547 "
F
39.3 mm1.547 "
G
10.3 mm0.406 "
H
22 mm0.866 "
I
12.3 mm0.484 "
J
90 mm3.543 "
P
PT 1/8"-28PT 1/8"-28
X
20 mm0.787 "
Operating Specifications


Media
Coolant, MQLCoolant, MQL
Rotor Connection
Pin-Drive Pin-Drive
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
69 bar1000 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
2040 l/min72.1 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide, Bore Mount (Chinese)
Interface Drawing
Interface Control drawing for 1109-410-248
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools