Union, 1/2" NPT RH, 1/2" NPT
157-2003-001
- 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
1/2"-14 NPT RH1/2"-14 NPT RH
C
57.2 mm2.252 "
D1
122 mm4.803 "
E
37 mm1.457 "
F
22 mm0.866 "
G
13 mm0.512 "
H
30 mm1.181 "
J
89 mm3.504 "
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
1/2"-14 NPT RH 1/2"-14 NPT RH
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
160 °C320 °F
Steam Max. Flow
112.2 l/min29.6 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
160 °C320 °F
Water Max. Flow
26.9 l/min7.1 GPM
Water Max. Pressure
51.7 bar750 psi
Water Max. Temperature
160 °C320 °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