Union, G 1/2" RH, G 1/2"
157-1007-151
- 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

K
3/8"-18 NPT3/8"-18 NPT
B
G 1/2"-14G 1/2"-14
A
G 1/2"-14 RHG 1/2"-14 RH
C
57.2 mm2.252 "
D1
119 mm4.685 "
E
34.4 mm1.354 "
F
19.1 mm0.752 "
G
13 mm0.512 "
H
30 mm1.181 "
J
96.2 mm3.787 "
P
M10x1M10x1
Operating Specifications


Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
G 1/2"-14 RH G 1/2"-14 RH
Supply Connection
G 1/2"-14 G 1/2"-14
Hot Oil Max. Flow
26.9 l/min7.1 GPM
Hot Oil Max. Pressure
6.2 bar90 psi
Hot Oil Max. Temperature
121 °C250 °F
Steam Max. Flow
112.2 l/min29.6 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
26.9 l/min7.1 GPM
Water Max. Pressure
51.7 bar750 psi
Water Max. Temperature
121 °C250 °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