Union, Bearingless Closed-Seal, 12 mm pilot
1117-789
- Single passage for coolant or MQL
- Closed seals for transfer line and similar applications
- 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
- Compact size can be adapted for custom installations
- Anodized aluminum housing resists corrosion
Dimensions
A
18 mm0.709 "
B
24.98 mm0.983 "
C
63 mm2.48 "
D1
68 mm2.677 "
E
33 mm1.299 "
F
24 mm0.945 "
G
6.8 mm0.268 "
I
11.984 mm0.472 "
J
46 mm1.811 "
X
20 mm0.787 "
Operating Specifications
Media
Coolant, WaterCoolant, Water
Rotor Connection
18 mm0.709 "
Supply Connection
24.98 mm0.983 "
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
121 °C250 °F
Water Max. Flow
81.8 l/min21.6 GPM
Water Max. Pressure
110 bar1600 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for Externally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1117-789
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools