1890-279
- Duoflow design for low-speed air, hydraulic, and brake fluid applications
- Self-supported rotating union
- Composite bearing
- Vent holes between passages
- Special seals
- Hardened sealing surface
- Aluminum housing and steel rotor
- Triple-passage tandem model available
Imperial
Metric
Dimensions
A
1-1/2"-11.5 NPT RH
B
3/4"-14 NPT
C
3.504"
C
89 mm
D1
225 mm
D1
8.858"
E
67 mm
E
2.638"
F
1.181"
F
30 mm
G
1.378"
G
35 mm
H
2.52"
H
64 mm
J
4.094"
J
104 mm
K
3/4"-14 NPT
P
Non-Threaded
R
6.22"
R
158 mm
S3
Threaded
Operating Specifications
Media
Vacuum, Hydraulic Oil, Air
Rotor Connection
1-1/2"-11.5 NPT RH
Housing Connection
3/4"-14 NPT
Air
Max. Flow
300 CFM
Air
Max. Flow
8497 l/min
Air
Max. Pressure
10 bar
Air
Max. Pressure
150 psi
Air
Max. Temperature
121 °C
Air
Max. Temperature
250 °F
Hydraulic Oil
Max. Flow
53.9 GPM
Hydraulic Oil
Max. Flow
204 l/min
Hydraulic Oil
Max. Pressure
207 bar
Hydraulic Oil
Max. Pressure
3000 psi
Hydraulic Oil
Max. Temperature
121 °C
Hydraulic Oil
Max. Temperature
250 °F
Vacuum
Max. Flow
0 GPM
Vacuum
Max. Flow
0.067 l/min
Vacuum
Max. Pressure
-0.95 bar
Vacuum
Max. Pressure
-13.75 psi
Vacuum
Max. Temperature
121 °C
Vacuum
Max. Temperature
250 °F
