Union, Bearingless Pop-Off, M14x1.5 LH, 14 mm pilot, G 3/8"
1129-927-929
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Pop-off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
- 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
- Anodized aluminum housing resists corrosion
Dimensions
A
M14x1.5 LHM14x1.5 LH
B
G 3/8"-19G 3/8"-19
C
54 mm2.126 "
D1
101 mm3.976 "
E
56 mm2.205 "
F
17 mm0.669 "
G
7 mm0.276 "
H
24 mm0.945 "
I
14.494 mm0.571 "
J
84 mm3.307 "
P
Non-ThreadedNon-Threaded
X
5 mm0.197 "
Operating Specifications
Media
Coolant, Cutting Oil, MQLCoolant, Cutting Oil, MQL
Rotor Connection
M14x1.5 LH M14x1.5 LH
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
50 l/min13.2 GPM
Coolant Max. Pressure
150 bar2175 psi
Coolant Max. Temperature
71 °C160 °F
Cutting Oil Max. Flow
50 l/min13.2 GPM
Cutting Oil Max. Pressure
150 bar2175 psi
Cutting Oil Max. Temperature
71 °C160 °F
MQL Max. Flow
1321 l/min46.6 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 1129-927-929
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools