Union, Duoflow, 3/4" UNF LH, 1/2" NPT
157-000-022012
- 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
K
3/8"-18 NPT3/8"-18 NPT
B
1/2"-14 NPT1/2"-14 NPT
A
3/4"-16 UNF LH3/4"-16 UNF LH
C
57.2 mm2.252 "
D1
128.2 mm5.047 "
D2
166.2 mm6.543 "
E
45.45 mm1.789 "
F
26.8 mm1.055 "
G
15.5 mm0.61 "
H
36.5 mm1.437 "
J
80.7 mm3.177 "
M
18 mm0.709 "
N
52.77 mm2.078 "
O
NPT 3/8"-18 RHNPT 3/8"-18 RH
R
128.2 mm5.047 "
S3
ThreadedThreaded
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
3/4"-16 UNF LH 3/4"-16 UNF LH
Supply Connection
1/2"-14 NPT 1/2"-14 NPT
Hot Oil Max. Flow
26.9 l/min7.1 GPM
Hot Oil Max. Pressure
6.9 bar100 psi
Hot Oil Max. Temperature
121 °C250 °F
Steam Max. Flow
112.2 l/min29.6 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
26.9 l/min7.1 GPM
Water Max. Pressure
51.7 bar750 psi
Water Max. Temperature
121 °C250 °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