Union, Duoflow, G 1/2" RH, G 1/2"
157-083-125972
- 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
G 1/2"-14 RHG 1/2"-14 RH
B
G 1/2"-14G 1/2"-14
C
57.2 mm2.252 "
D1
116.9 mm4.602 "
D2
169 mm6.654 "
E
34 mm1.339 "
F
19 mm0.748 "
G
12.7 mm0.5 "
H
30 mm1.181 "
J
78.5 mm3.091 "
K
3/8"-18 NPT3/8"-18 NPT
M
18 mm0.709 "
N
43 mm1.693 "
O
G 3/8"-19 RHG 3/8"-19 RH
P
G 1/8"-28G 1/8"-28
R
154.4 mm6.079 "
S
22.5 mm0.886 "
S2
9.75 mm0.384 "
S3
FixedFixed
Operating Specifications
Media
WaterWater
Rotor Connection
G 1/2"-14 RH G 1/2"-14 RH
Supply Connection
G 1/2"-14 G 1/2"-14
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
Interface Drawing
Interface Control drawing for 157-083-125972
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions