Union, Duoflow, 1-1/2" NPT RH, 1-1/2" NPT
557-000-001166
- 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
1-1/2"-11.5 NPT RH1-1/2"-11.5 NPT RH
B
1-1/2"-11.5 NPT1-1/2"-11.5 NPT
C
108 mm4.252 "
D1
228 mm8.976 "
D2
276 mm10.866 "
E
62 mm2.441 "
F
30 mm1.181 "
G
38.1 mm1.5 "
H
54 mm2.126 "
J
149 mm5.866 "
K
1-1/4"-11.5 NPT1-1/4"-11.5 NPT
M
45 mm1.772 "
N
85 mm3.346 "
O
NPT 1-1/4"-11.5 RHNPT 1-1/4"-11.5 RH
P
Non-ThreadedNon-Threaded
R
228 mm8.976 "
S
37 mm1.457 "
S2
31.6 mm1.244 "
S3
RotatingRotating
Operating Specifications
Media
WaterWater
Rotor Connection
1-1/2"-11.5 NPT RH 1-1/2"-11.5 NPT 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
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 557-000-001166
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions