SUPERSEDED by 157-000-152
155-139-152
- Monoflow and duoflow operation
- Self-supported rotating union
- Radial housing connection
- Balanced mechanical seals
- 3 vent holes
- Forged brass housing and stainless steel rotor
- Special options include threaded vent holes, low torque design
- Seal Combinations: Carbon Graphite/Bronze for water; Carbon Graphite/Ceramic for hot oil, hot water and saturated steam; Tungsten Carbide/Ceramic for severe conditions such as poor water quality
Dimensions
A
G 1/2"-14 LHG 1/2"-14 LH
B
1/2"-14 NPT1/2"-14 NPT
C
57.2 mm2.252 "
D1
119 mm4.685 "
E
34.4 mm1.354 "
F
19 mm0.748 "
G
12.7 mm0.5 "
H
30 mm1.181 "
J
78.8 mm3.102 "
K
3/8"-18 NPT3/8"-18 NPT
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
G 1/2"-14 LH G 1/2"-14 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
Interface Drawing
Interface Control drawing for 155-139-152
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 55 to 655