Union, Pop-Off, M16x1.5 RH, 18 mm pilot, G 3/8"
902-137-187
- 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 RHM16x1.5 RH
B
G 3/8"-19G 3/8"-19
C
49.5 mm1.949 "
D1
135 mm5.315 "
E
32 mm1.26 "
F
16 mm0.63 "
G
8.7 mm0.343 "
H
24 mm0.945 "
I
17.993 mm0.708 "
J
105 mm4.134 "
P
G 1/4"-19G 1/4"-19
X
5 mm0.197 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M16x1.5 RH M16x1.5 RH
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
21.8 l/min5.8 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 902-137-187
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools