Union, Duoflow, 2" UN LH, 1-1/2" NPT
557-000-396144
- 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
2"-12 UN LH2"-12 UN LH
B
1-1/2"-11.5 NPT1-1/2"-11.5 NPT
C
108 mm4.252 "
D1
248.5 mm9.783 "
D2
273.5 mm10.768 "
E
72 mm2.835 "
F
29 mm1.142 "
G
38.1 mm1.5 "
H
55 mm2.165 "
J
148 mm5.827 "
K
1-1/4"-11.5 NPT1-1/4"-11.5 NPT
M
38 mm1.496 "
N
80.5 mm3.169 "
O
NPT 3/4"-14 RHNPT 3/4"-14 RH
P
Non-ThreadedNon-Threaded
R
248.5 mm9.783 "
S
38.1 mm1.5 "
S2
25.527 mm1.005 "
S3
RotatingRotating
Operating Specifications
Media
WaterWater
Rotor Connection
2"-12 UN LH 2"-12 UN LH
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 557-000-396144
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions