SUPERSEDED by 157-050-002

155-208-114

  • 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
1/2"-14 NPT LH
B
1/2"-14 NPT
C
57.7 mm
D1
117.2 mm
E
34.25 mm
F
19.24 mm
G
12 mm
H
28.575 mm
J
77 mm
K
3/8"-18 NPT
P
Non-Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
1/2"-14 NPT LH
Supply Connection
1/2"-14 NPT
Water Max. Flow
26.9 l/min
Water Max. Pressure
51.7 bar
Water Max. Temperature
93 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 55 to 655