Union, 1/2" NPT RH, 1/2" NPT
155-812-813
- 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
1/2"-14 NPT RH1/2"-14 NPT RH
B
1/2"-14 NPT1/2"-14 NPT
C
57.2 mm2.252 "
D1
122 mm4.803 "
E
37.6 mm1.48 "
F
22.2 mm0.874 "
G
13 mm0.512 "
H
28.6 mm1.126 "
J
89.5 mm3.524 "
K
3/8"-18 NPT3/8"-18 NPT
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
WaterWater
Rotor Connection
1/2"-14 NPT RH 1/2"-14 NPT RH
Supply Connection
1/2"-14 NPT 1/2"-14 NPT
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 155-812-813
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 55 to 655