Union, 3" NPT RH, 2" NPT
857-002-101
- 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
190 mm7.48 "
D1
362 mm14.252 "
D2
446 mm17.559 "
E
87.2 mm3.433 "
F
47.63 mm1.875 "
G
73 mm2.874 "
H
102 mm4.016 "
J
245 mm9.646 "
K
3"-8 NPT3"-8 NPT
M
75.6 mm2.976 "
N
138 mm5.433 "
O
NPT 2"-11.5 RHNPT 2"-11.5 RH
R
382 mm15.039 "
S
24 mm0.945 "
S2
58.625 mm2.308 "
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
1 bar15 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
Interface Drawing
Interface Control drawing for 857-002-101
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 857