Union, 3" NPT RH, 2" NPT
857-025-101
- Monoflow and duoflow design
- Self-supported rotating union
- Radial housing connection
- Balanced mechanical seals
- Seal combination: Carbon Graphite/Tungsten Carbide
- Full-media flow
- Easy and quick replacement of sealing components
- Vented housing
- Cast iron housing
- Steel rotor
Dimensions
A
3"-8 NPT RH3"-8 NPT RH
B
2"-11.5 NPT2"-11.5 NPT
C
191 mm7.52 "
D1
368 mm14.488 "
E
87 mm3.425 "
F
48 mm1.89 "
G
73 mm2.874 "
H
102 mm4.016 "
J
245 mm9.646 "
K
3"-8 NPT3"-8 NPT
R
355.6 mm14 "
S3
RotatingRotating
Operating Specifications
Media
Steam, WaterSteam, Water
Rotor Connection
3"-8 NPT RH 3"-8 NPT RH
Supply Connection
2"-11.5 NPT 2"-11.5 NPT
Steam Max. Flow
4170 l/min1,101.6 GPM
Steam Max. Pressure
8.3 bar120 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
1001 l/min264.4 GPM
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 857