Union, Closed-Seal, 5/8" UNF RH, 3/8" NPT
1116-725-801
- 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
5/8"-18 UNF RH5/8"-18 UNF RH
B
3/8"-18 NPT3/8"-18 NPT
C
43.64 mm1.718 "
D1
102.4 mm4.031 "
E
29.8 mm1.173 "
F
15.8 mm0.622 "
G
8.7 mm0.343 "
H
23.8 mm0.937 "
J
73 mm2.874 "
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
WaterWater
Rotor Connection
5/8"-18 UNF RH 5/8"-18 UNF RH
Supply Connection
3/8"-18 NPT 3/8"-18 NPT
Water Max. Flow
81.8 l/min21.6 GPM
Water Max. Pressure
69 bar1000 psi
Water Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1116-725-801
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools