Union, Pop-Off, Female Hex, 14 mm pilot, G 3/8"
1109-402-403
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Allows axial drawbar movement up to 19 mm
- Full-flow design has no obstructions to trap swarf or debris
- Bore-mounted design for easy installation
- Matched, ISO class P4 hybrid ball bearings for smooth operation at high speeds
- 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 and stainless steel parts resist corrosion
Dimensions
A
Female HexFemale Hex
B
G 3/8"-19G 3/8"-19
C
48.9 mm1.925 "
D1
143.5 mm5.65 "
E
34 mm1.339 "
F
34 mm1.339 "
G
8.7 mm0.343 "
I
14.1 mm0.555 "
J
94 mm3.701 "
P
G 1/8"-28G 1/8"-28
X
26.924 mm1.06 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
Female Hex Female Hex
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
69 bar1000 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
608 l/min21.5 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Bore-Mounted unions
Interface Drawing
Interface Control drawing for 1109-402-403
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools