Union, AutoSense, M16x1.5 LH, 18 mm pilot, G 3/8" axial
904-121-188
- 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
- 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
G 3/8"-19G 3/8"-19
C
49.5 mm1.949 "
D1
130.6 mm5.142 "
E
32 mm1.26 "
F
15.9 mm0.626 "
G
8.5 mm0.335 "
H
24 mm0.945 "
I
17.993 mm0.708 "
J
98.5 mm3.878 "
L
21.8 mm0.858 "
P
G 1/4"-19G 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
G 3/8"-19 G 3/8"-19
Air Max. Flow
2040 l/min72.1 CFM
Air Max. Pressure
10 bar150 psi
Air Max. Temperature
71 °C160 °F
Coolant Max. Flow
82 l/min21.7 GPM
Coolant Max. Pressure
103.4 bar1500 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 for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 904-121-188
Operating Manual
Operating Manual for "AutoSense" unions for machine tools