Union, 100 mm flange, 65 mm pilot, 1-1/2" NPT

557-000-179

  • Monoflow and duoflow design
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • Keyed rotor seal
  • Easy and quick replacement of sealing components
  • Ball bearings lubricated for life
  • E.L.S. (Extended Life Service) seal combination for poor water quality
  • 3 vent holes
  • Forged brass housing and stainless steel rotor
  • Special options include threaded vent holes

Dimensions

Selected dimensions for this product
A
100 mm
B
1-1/2"-11.5 NPT
C
108 mm
D1
226.5 mm
E
66 mm
F
20 mm
G
39.025 mm
I
64.97 mm
J
150 mm
K
1-1/4"-11.5 NPT
P
Non-Threaded
X
20 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
100 mm
Supply Connection
1-1/2"-11.5 NPT
Water Max. Flow
252.8 l/min
Water Max. Pressure
10 bar
Water Max. Temperature
93 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 557-000-179
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions