Union, Low-Speed, 1" UNS RH, 7/8" UNF
2117-028-115
- Tandem dual-passage design for low-speed air, hydraulic, and brake fluid applications
- Self-supported rotating union
- No interpassage leakage
- Aluminum housing and nickel-plated steel rotor
- Special bearing
Dimensions

A
1"-14 UNS RH1"-14 UNS RH
B
7/8"-14 UNF7/8"-14 UNF
C
70 mm2.756 "
D1
194 mm7.638 "
E
44.7 mm1.76 "
F
44.7 mm1.76 "
G
17 mm0.669 "
H
36 mm1.417 "
J
37.8 mm1.488 "
K
7/16"-20 UNF7/16"-20 UNF
Operating Specifications


Media
Air, Hydraulic Oil, VacuumAir, Hydraulic Oil, Vacuum
Rotor Connection
1"-14 UNS RH 1"-14 UNS RH
Supply Connection
7/8"-14 UNF 7/8"-14 UNF
Air Max. Flow
4247 l/min150 CFM
Air Max. Pressure
10 bar150 psi
Air Max. Temperature
121 °C250 °F
Hydraulic Oil Max. Pressure
69 bar1000 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
Installation Guide
Installation Guide for 17, 21, and 2117 series
Interface Drawing
Interface Control drawing for 2117-028-115
Operating Manual
Operating Manual for Soft-Seal Air & Hydraulic unions
Service Guide
Service Guide for unions beginning with 17, 21, and 2117