Union, Duoflow, G 1-1/2" RH, 1-1/2" NPT

555-000-198221

  • Monoflow and duoflow operation
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • 3 vent holes
  • Forged brass housing and stainless steel rotor
  • Special options include threaded vent holes, low torque design
  • Seal Combinations: Carbon Graphite/Bronze for water; Carbon Graphite/Ceramic for hot oil, hot water and saturated steam; Tungsten Carbide/Ceramic for severe conditions such as poor water quality

Dimensions

Selected dimensions for this product
A
G 1-1/2"-11 RH
B
1-1/2"-11.5 NPT
C
108 mm
D1
223 mm
D2
270 mm
E
72 mm
F
28.9 mm
G
38.1 mm
H
54.63 mm
J
149 mm
K
1-1/4"-11.5 NPT
M
38 mm
N
76 mm
O
NPT 3/4"-14 RH
P
Non-Threaded
R
223 mm
S3
Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Hot Oil, Steam, Water
Rotor Connection
G 1-1/2"-11 RH
Supply Connection
1-1/2"-11.5 NPT
Hot Oil Max. Flow
252.8 l/min
Hot Oil Max. Pressure
6.9 bar
Hot Oil Max. Temperature
121 °C
Steam Max. Flow
1,053.5 l/min
Steam Max. Pressure
1 bar
Steam Max. Temperature
121 °C
Water Max. Flow
252.8 l/min
Water Max. Pressure
51.7 bar
Water Max. Temperature
121 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 555-000-198221
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 55 to 655