Union, Low-Speed, 1/4" NPT RH, 1/4" NPT
1690-004-115
- Duoflow design for low-speed air and hydraulic 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
Dimensions
A
1/4"-18 NPT RH1/4"-18 NPT RH
B
1/4"-18 NPT1/4"-18 NPT
C
66.4 mm2.614 "
D1
149.2 mm5.874 "
E
53 mm2.087 "
F
28.6 mm1.126 "
G
7.9 mm0.311 "
H
46 mm1.811 "
J
66.5 mm2.618 "
K
1/4"-18 NPT1/4"-18 NPT
P
Non-ThreadedNon-Threaded
R
104.8 mm4.126 "
S3
ThreadedThreaded
Operating Specifications
Media
Air, Hydraulic Oil, VacuumAir, Hydraulic Oil, Vacuum
Rotor Connection
1/4"-18 NPT RH 1/4"-18 NPT RH
Supply Connection
1/4"-18 NPT 1/4"-18 NPT
Air Max. Flow
1132 l/min40 CFM
Air Max. Pressure
10 bar150 psi
Air Max. Temperature
121 °C250 °F
Hydraulic Oil Max. Pressure
207 bar3000 psi
Hydraulic Oil Max. Temperature
121 °C250 °F
Vacuum Max. Pressure
-0.95 bar-13.75 psi
Vacuum Max. Temperature
121 °C250 °F
Documents & Resources
Interface Drawing
Interface Control drawing for 1690-004-115
Operating Manual
Operating Manual for Soft-Seal Air & Hydraulic unions
Service Guide
Service Guide for unions beginning with 1690