Union, 1/2" PT RH, 1/2" PT


157-045-119
- 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

A
1/2"-14 PT RH1/2"-14 PT RH
B
1/2"-14 PT1/2"-14 PT
C
57.2 mm2.252 "
D1
117 mm4.606 "
E
36 mm1.417 "
F
22 mm0.866 "
G
12.7 mm0.5 "
H
28.6 mm1.126 "
J
88.9 mm3.5 "
K
3/8"-18 NPT3/8"-18 NPT
P
Non-ThreadedNon-Threaded
Operating Specifications


Media
WaterWater
Rotor Connection
1/2"-14 PT RH 1/2"-14 PT RH
Supply Connection
1/2"-14 PT 1/2"-14 PT
Water Max. Flow
26.9 l/min7.1 GPM
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
93 °C195 °F
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