Union, Duoflow, G 1-1/2" RH, 1-1/2" NPT
557-050-198221
- 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 1-1/2"-11 RHG 1-1/2"-11 RH
B
1-1/2"-11.5 NPT1-1/2"-11.5 NPT
C
107.95 mm4.25 "
D1
226.263 mm8.908 "
D2
268 mm10.551 "
E
72.212 mm2.843 "
F
29.362 mm1.156 "
G
34.925 mm1.375 "
H
53.975 mm2.125 "
J
148.387 mm5.842 "
K
1-1/4"-11.5 NPT1-1/4"-11.5 NPT
M
38 mm1.496 "
N
78 mm3.071 "
O
NPT 3/4"-14 RHNPT 3/4"-14 RH
P
Non-ThreadedNon-Threaded
R
222 mm8.74 "
S3
ThreadedThreaded
Operating Specifications
Media
WaterWater
Rotor Connection
G 1-1/2"-11 RH G 1-1/2"-11 RH
Supply Connection
1-1/2"-11.5 NPT 1-1/2"-11.5 NPT
Water Max. Flow
252.8 l/min66.8 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