Union, Bearingless Closed-Seal, M16x1.5 LH, 18 mm pilot, 3/8" PT
1117-340-357
- 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
M16x1.5 LHM16x1.5 LH
B
3/8"-19 PT3/8"-19 PT
C
54 mm2.126 "
D1
108.4 mm4.268 "
E
59.9 mm2.358 "
F
15.9 mm0.626 "
G
4.7 mm0.185 "
H
23.8 mm0.937 "
I
17.993 mm0.708 "
J
92.5 mm3.642 "
L
25.4 mm1 "
P
Non-ThreadedNon-Threaded
X
4.8 mm0.189 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M16x1.5 LH M16x1.5 LH
Supply Connection
3/8"-19 PT 3/8"-19 PT
Coolant Max. Flow
15 l/min4.1 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
121 °C250 °F
MQL Max. Flow
2040 l/min72.1 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for Externally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1117-340-357
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools