Union, Pop-Off, Female Oct, 8 mm pilot, G 1/4"

1109-926-930

  • 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

Selected dimensions for this product
A
Female Oct
B
G 1/4"-19
C
48 mm
D1
112.5 mm
E
19.5 mm
F
19.5 mm
G
8.1 mm
I
8.1 mm
J
84 mm
P
PT 1/4"-19
X
32 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Coolant, MQL
Rotor Connection
Female Oct
Supply Connection
G 1/4"-19
Coolant Max. Flow
24.3 l/min
Coolant Max. Pressure
140 bar
Coolant Max. Temperature
71 °C
MQL Max. Flow
608 l/min
MQL Max. Pressure
10 bar
MQL Max. Temperature
71 °C

Documents & Resources

Installation Guide
Installation Guide, Bore Mount (Chinese)
Interface Drawing
Interface Control drawing for 1109-926-930
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools