Union, Closed-Seal, M16x1.5 RH, 18 mm pilot, G 1/4"
1116-656-578658
- 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
M16x1.5 RHM16x1.5 RH
B
G 1/4"-19G 1/4"-19
C
44.5 mm1.752 "
D1
106.6 mm4.197 "
D2
155 mm6.102 "
E
77 mm3.031 "
F
64 mm2.52 "
G
8.7 mm0.343 "
H
24 mm0.945 "
I
17.993 mm0.708 "
J
68 mm2.677 "
K
G 1/4"-19G 1/4"-19
P
Non-ThreadedNon-Threaded
X
5 mm0.197 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M16x1.5 RH M16x1.5 RH
Supply Connection
G 1/4"-19 G 1/4"-19
Coolant Max. Flow
81.8 l/min21.6 GPM
Coolant Max. Pressure
69 bar1000 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
2040 l/min72.1 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1116-656-578658
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools