Union, Compact Brgless Pop-Off, M12x1.25 LH, 13 mm pilot
1151-031-137
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Non-rotating element has "stroke" (axial movement) of up to 13.5 mm, to track drawbar movement even when the union is mounted on the clamping device
- 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
Dimensions
A
M12x1.25 LHM12x1.25 LH
B
19.96 mm0.786 "
C
40.2 mm1.583 "
D1
62 mm2.441 "
E
25.2 mm0.992 "
F
21 mm0.827 "
G
6 mm0.236 "
H
17 mm0.669 "
I
13 mm0.512 "
J
38.4 mm1.512 "
P
Non-ThreadedNon-Threaded
X
6 mm0.236 "
Operating Specifications
Media
Coolant, MQLCoolant, MQL
Rotor Connection
M12x1.25 LH M12x1.25 LH
Supply Connection
19.96 mm0.786 "
Coolant Max. Flow
24.3 l/min6.4 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
71 °C160 °F
MQL Max. Flow
608 l/min21.5 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Internally mounted Bearingless unions
Interface Drawing
Interface Control drawing for 1151-031-137
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools