903-140-188
- Single passage for coolant or MQL
- Pop-Off™ technology allows unlimited dry running without media pressure
- Full-flow design has no obstructions to trap swarf or debris
- Bearing-supported with threaded rotor for easy installation
- 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 resists corrosion
Imperial
Metric
Dimensions
A
M16x1.5 LH
B
3/8"-19 PT
C
1.949"
C
49.5 mm
D1
137 mm
D1
5.394"
E
32 mm
E
1.26"
F
0.626"
F
15.9 mm
G
0.335"
G
8.5 mm
H
0.945"
H
24 mm
I
0.708"
I
17.993 mm
J
106.4 mm
J
4.189"
P
PT 1/4"-19
X
4.7 mm
X
0.185"
Operating Specifications
Media
MQL, Coolant
Rotor Connection
M16x1.5 LH, 17.993 mm pilot
Rotor Connection
M16x1.5 LH, 0.708" pilot
Housing Connection
3/8"-19 PT
Coolant
Max. Flow
21.7 GPM
Coolant
Max. Flow
82 l/min
Coolant
Max. Pressure
103.4 bar
Coolant
Max. Pressure
1500 psi
Coolant
Max. Temperature
71 °C
Coolant
Max. Temperature
160 °F
MQL
Max. Flow
72.1 CFM
MQL
Max. Flow
2040 l/min
MQL
Max. Pressure
10 bar
MQL
Max. Pressure
150 psi
MQL
Max. Temperature
71 °C
MQL
Max. Temperature
160 °F