Union, 1" UNS RH, 1/2" NPT

1205-255-001

  • Monoflow design
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • Seal combinations: Carbon Graphite/Hardened Tool Steel or Carbon Graphite/Silicon Carbide
  • Felt oiler in seal cavity for air service
  • Oiler for relubrication (3 to 5 drops/month)
  • Low torque design
  • Weight-optimized design
  • Aluminum housing; stainless steel or carbon steel rotor, depending on model
  • Ball bearings lubricated for life

Dimensions

Selected dimensions for this product
A
1"-14 UNS RH
B
1/2"-14 NPT
C
57.2 mm
D1
113 mm
E
33.6 mm
F
18.7 mm
G
16 mm
H
36 mm
J
78 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Air, Hydraulic Oil, Vacuum
Rotor Connection
1"-14 UNS RH
Supply Connection
1/2"-14 NPT
Air Max. Flow
4247 l/min
Air Max. Pressure
10 bar
Air Max. Temperature
121 °C
Hydraulic Oil Max. Flow
26.9 l/min
Hydraulic Oil Max. Pressure
207 bar
Hydraulic Oil Max. Temperature
121 °C
Vacuum Max. Pressure
-0.95 bar
Vacuum Max. Temperature
121 °C

Documents & Resources

Installation Guide
Installation Guide for Air and Hydraulic unions
Operating Manual
Operating Manual for Air and Hydraulic unions
Service Guide
Service Guide for unions beginning with 1205