Union, G 3/4" LH, G 3/4"

257-2695-285

  • 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 3/4"-14 LH
B
G 3/4"-14
C
73.03 mm
D1
136 mm
E
34 mm
F
19 mm
G
17.5 mm
H
36 mm
J
95 mm
K
1/2"-14 NPT
P
Non-Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
G 3/4"-14 LH
Supply Connection
G 3/4"-14
Water Max. Flow
52.8 l/min
Water Max. Pressure
10 bar
Water Max. Temperature
160 °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 57-series unions