Union, Bearingless Pop-Off, Female Hex, 13 mm pilot, G 3/8"
1129-864-865
- 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
Female HexFemale Hex
B
G 3/8"-19G 3/8"-19
C
49 mm1.929 "
D1
147 mm5.787 "
E
32 mm1.26 "
F
32 mm1.26 "
G
9 mm0.354 "
I
13 mm0.512 "
J
100.5 mm3.957 "
K
G 1/4"-19G 1/4"-19
P
Non-ThreadedNon-Threaded
X
19.3 mm0.76 "
Operating Specifications
Media
CoolantCoolant
Rotor Connection
Female Hex Female Hex
Supply Connection
G 3/8"-19 G 3/8"-19
Coolant Max. Flow
25 l/min6.6 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide, Bore Mount (Chinese)
Interface Drawing
Interface Control drawing for 1129-864-865
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools