Union, G 2" LH, 2" NPT

657-045-125

  • 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
G 2"-11 LH
B
2"-11.5 NPT
C
117.5 mm
D1
246.4 mm
E
65.4 mm
F
28.6 mm
G
47.6 mm
H
55 mm
J
164.6 mm
K
1-1/4"-11.5 NPT
P
Non-Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
G 2"-11 LH
Supply Connection
2"-11.5 NPT
Water Max. Flow
390.5 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 657-045-125
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions