Union, Bearingless Closed-Seal, M14x1.5 LH, 16 mm pilot, G 3/8"
1117-628-573
- Single passage for coolant or MQL
- Closed seals for transfer line and similar applications
- Full-flow design has no obstructions to trap swarf or debris
- Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
- Compact size can be adapted for custom installations
- Anodized aluminum housing resists corrosion
Dimensions

A
M14x1.5 LHM14x1.5 LH
B
G 3/8"-19G 3/8"-19
C
44 mm1.732 "
D1
67.4 mm2.654 "
E
21.4 mm0.843 "
F
15.9 mm0.626 "
G
5 mm0.197 "
H
22 mm0.866 "
I
15.993 mm0.63 "
J
51.5 mm2.028 "
P
Non-ThreadedNon-Threaded
X
5 mm0.197 "
Operating Specifications


Media
Coolant, MQLCoolant, MQL
Rotor Connection
M14x1.5 LH M14x1.5 LH
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
32.5 l/min8.6 GPM
Coolant Max. Pressure
69 bar1000 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
674 l/min23.8 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Externally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1117-628-573
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools