Union, Closed-Seal, 1/2" NPT RH, 3/8" NPT

1116-090-635

  • 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
  • Bearing-supported with threaded rotor for easy installation
  • Deep groove radial ball bearings for smooth operation
  • 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 housing and stainless steel rotor resist corrosion

Dimensions

Selected dimensions for this product
A
1/2"-14 NPT RH
B
3/8"-18 NPT
C
43.64 mm
D1
102 mm
E
30 mm
F
20 mm
G
8.7 mm
H
24 mm
J
76 mm
P
Non-Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Coolant, MQL
Rotor Connection
1/2"-14 NPT RH
Supply Connection
3/8"-18 NPT
Coolant Max. Flow
81.8 l/min
Coolant Max. Pressure
69 bar
Coolant Max. Temperature
71 °C
MQL Max. Flow
2040 l/min
MQL Max. Pressure
10 bar
MQL Max. Temperature
71 °C

Documents & Resources

Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1116-090-635
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools