Union, Bearingless Closed-Seal, M12x1.25 LH, 13 mm pilot, G 1/4"
1117-440-442
- 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
M12x1.25 LHM12x1.25 LH
B
G 1/4"-19G 1/4"-19
C
40 mm1.575 "
D1
72 mm2.835 "
E
30 mm1.181 "
F
16 mm0.63 "
G
7 mm0.276 "
H
23.8 mm0.937 "
I
13.466 mm0.53 "
J
45.5 mm1.791 "
L
33.376 mm1.314 "
X
4.5 mm0.177 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M12x1.25 LH M12x1.25 LH
Supply Connection
G 1/4"-19 G 1/4"-19
Coolant Max. Flow
30 l/min7.9 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 1117-440-442
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools