Union, Pop-Off, M12x1.25 LH, 14 mm pilot, 3/8" PT
1109-040-574
- 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
- Dual angular contact ball bearings
- 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
M12x1.25 LHM12x1.25 LH
B
3/8"-19 PT3/8"-19 PT
C
53.5 mm2.106 "
D1
135 mm5.315 "
E
30.5 mm1.201 "
F
15.9 mm0.626 "
G
5 mm0.197 "
H
24 mm0.945 "
I
13.994 mm0.551 "
J
105 mm4.134 "
P
PT 1/4"-19PT 1/4"-19
X
4.7 mm0.185 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M12x1.25 LH M12x1.25 LH
Supply Connection
3/8"-19 PT 3/8"-19 PT
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
103.4 bar1500 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 1109-040-574
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools