Union, Bearingless Closed-Seal, 12 mm pilot, G 1/4"


1117-813
- 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
G 1/4"-19G 1/4"-19
C
67 mm2.638 "
D1
110 mm4.331 "
E
32.5 mm1.28 "
F
20.5 mm0.807 "
G
6.8 mm0.268 "
I
11.984 mm0.472 "
J
55.5 mm2.185 "
K
M14x1.5 Metric ThreadM14x1.5 Metric Thread
P
Non-ThreadedNon-Threaded
X
20.5 mm0.807 "
Operating Specifications


Media
CoolantCoolant
Rotor Connection
18 mm0.709 "
Supply Connection
G 1/4"-19 G 1/4"-19
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for Externally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1117-813
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools