Union, Bearingless Closed-Seal, 12 mm pilot

1117-702

  • 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

Selected dimensions for this product
A
18 mm
B
7.8 mm
C
52 mm
D1
70 mm
E
42 mm
F
42 mm
G
6.8 mm
I
11.984 mm
J
34 mm
X
24 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Coolant, Water
Rotor Connection
18 mm
Supply Connection
7.8 mm
Coolant Max. Flow
81.8 l/min
Coolant Max. Pressure
140 bar
Coolant Max. Temperature
121 °C
Water Max. Flow
81.8 l/min
Water Max. Pressure
110 bar
Water Max. Temperature
121 °C

Documents & Resources

Installation Guide
Installation Guide for Internally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1117-702
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools