Union, Duoflow, 1-1/2" NPT RH, 1-1/2" NPT
557-000-001144
- 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
222 mm8.74 "
D2
257 mm10.118 "
E
62 mm2.441 "
F
30 mm1.181 "
G
38 mm1.496 "
H
54 mm2.126 "
J
149 mm5.866 "
K
1-1/4"-11.5 NPT1-1/4"-11.5 NPT
M
36.5 mm1.437 "
N
74 mm2.913 "
O
NPT 3/4"-14 RHNPT 3/4"-14 RH
P
Non-ThreadedNon-Threaded
R
222 mm8.74 "
S
29.3 mm1.154 "
S2
25.35 mm0.998 "
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
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