Union, AutoSense, M16x1.5 LH, 18 mm pilot, 1/4" PT
1114-043-212
- Single passage for both coolant and dry air
- Patented AutoSense™ technology changes automatically between closed seals and controlled leakage operation in response to the kind of media
- Dual angular contact ball bearings
- Threaded rotor for easy installation
- Full-flow design has no obstructions to trap swarf or debris
- 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 housing resists corrosion
Dimensions

A
M16x1.5 LHM16x1.5 LH
B
1/4"-19 PT1/4"-19 PT
C
53.5 mm2.106 "
D1
135.2 mm5.323 "
E
30.4 mm1.197 "
F
15.9 mm0.626 "
G
8.7 mm0.343 "
H
24 mm0.945 "
I
17.993 mm0.708 "
J
105 mm4.134 "
P
PT 1/4"-19PT 1/4"-19
X
4.7 mm0.185 "
Operating Specifications


Media
Air, Coolant, MQLAir, Coolant, MQL
Rotor Connection
M16x1.5 LH M16x1.5 LH
Supply Connection
1/4"-19 PT 1/4"-19 PT
Air Max. Flow
938 l/min33.1 CFM
Air Max. Pressure
10 bar150 psi
Air Max. Temperature
71 °C160 °F
Coolant Max. Pressure
103.4 bar1500 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
938 l/min33.1 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Operating Manual
Operating Manual for "AutoSense" unions for machine tools