Union, Pop-Off, M16x1.5 LH, 18 mm pilot, NPT 3/8" axial
902-111-188
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Full-flow design has no obstructions to trap swarf or debris
- Bearing-supported with threaded rotor for easy installation
- Deep groove radial ball bearings for smooth operation
- 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
3/8"-19 NPT3/8"-19 NPT
C
49.5 mm1.949 "
D1
132.2 mm5.205 "
E
35.4 mm1.394 "
F
19.1 mm0.752 "
G
8.7 mm0.343 "
H
24 mm0.945 "
I
16.647 mm0.655 "
J
46.2 mm1.819 "
K
0
L
22.2 mm0.874 "
O
0
P
NPT 1/4"-18NPT 1/4"-18
X
5 mm0.197 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M16x1.5 LH M16x1.5 LH
Supply Connection
3/8"-19 NPT 3/8"-19 NPT
Coolant Max. Flow
82 l/min21.7 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 for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 902-111-188
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools