Union, Pop-Off, M16x1.5 LH, 18 mm pilot, G 3/8"


1129-718-480
- 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
M16x1.5 LHM16x1.5 LH
B
G 3/8"-19G 3/8"-19
C
53 mm2.087 "
D1
147 mm5.787 "
E
43 mm1.693 "
F
24.3 mm0.957 "
G
9 mm0.354 "
H
24 mm0.945 "
I
17.993 mm0.708 "
J
118 mm4.646 "
L
22 mm0.866 "
P
G 1/4"-19G 1/4"-19
X
4.7 mm0.185 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M16x1.5 LH M16x1.5 LH
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
24.3 l/min6.4 GPM
Coolant Max. Pressure
140 bar2030 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
Interface Drawing
Interface Control drawing for 1129-718-480
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools