Union, Low-Speed, 1" UNS RH, 1/2" NPT
21-001-109
- Monoflow design for low-speed air, hydraulic, and brake fluid applications
- Self-supported rotating union
- Aluminum housing and nickel-plated steel rotor
- Special bearing
Dimensions

A
1"-14 UNS RH1"-14 UNS RH
B
1/2"-14 NPT1/2"-14 NPT
C
70 mm2.756 "
D1
115.4 mm4.543 "
E
38.1 mm1.5 "
F
19 mm0.748 "
G
16 mm0.63 "
H
36 mm1.417 "
J
55.6 mm2.189 "
Operating Specifications


Media
Air, Hydraulic Oil, VacuumAir, Hydraulic Oil, Vacuum
Rotor Connection
1"-14 UNS RH 1"-14 UNS RH
Supply Connection
1/2"-14 NPT 1/2"-14 NPT
Air Max. Flow
4247 l/min150 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
Installation Guide
Installation Guide for 17, 21, and 2117 series
Interface Drawing
Interface Control drawing for 21-001-109
Operating Manual
Operating Manual for Soft-Seal Air & Hydraulic unions
Service Guide
Service Guide for unions beginning with 17, 21, and 2117