SUPERSEDED by 1121-269-851
1129-948-954
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Pop-off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
- 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
- Anodized aluminum housing resists corrosion
Dimensions
A
M14x1.5 LHM14x1.5 LH
B
27.993 mm1.102 "
C
54 mm2.126 "
D1
64 mm2.52 "
E
32 mm1.26 "
F
19 mm0.748 "
G
7 mm0.276 "
I
14.494 mm0.571 "
J
45 mm1.772 "
X
7 mm0.276 "
H
15 mm0.591 "
Operating Specifications
Media
Coolant, Cutting Oil, MQLCoolant, Cutting Oil, MQL
Rotor Connection
M14x1.5 LH M14x1.5 LH
Supply Connection
27.993 mm1.102 "
Coolant Max. Flow
50 l/min13.2 GPM
Coolant Max. Pressure
140 bar2030 psi
Coolant Max. Temperature
71 °C160 °F
Cutting Oil Max. Flow
50 l/min13.2 GPM
Cutting Oil Max. Pressure
10 bar150 psi
Cutting Oil Max. Temperature
71 °C160 °F
MQL Max. Flow
970 l/min34.3 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for 1129-948-954 union
Operating Manual
Operating Manual for "Pop-Off" unions for machine tools