Union, Closed-Seal, 3/4" Female UNF RH, In-Shaft
1116-040-409
- 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
A
3/4"-18 Female UNF RH3/4"-18 Female UNF RH
B
25.02 mm0.985 "
C
43.78 mm1.724 "
D1
103.9 mm4.091 "
E
24.5 mm0.965 "
F
24.5 mm0.965 "
G
17.5 mm0.689 "
H
24 mm0.945 "
J
79.4 mm3.126 "
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
CoolantCoolant
Rotor Connection
3/4"-18 Female UNF RH 3/4"-18 Female UNF RH
Supply Connection
25.02 mm0.985 "
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
69 bar1000 psi
Coolant Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1116-040-409
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools