Union, 3" NPT LH, 2" NPT

857-004-102

  • 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

Selected dimensions for this product
A
3"-8 NPT LH
B
2"-11.5 NPT
C
190.5 mm
D1
368 mm
D2
446 mm
E
87.2 mm
F
47.6 mm
G
73 mm
H
102 mm
J
246 mm
K
3"-8 NPT
M
75 mm
N
138 mm
O
NPT 2"-11.5 RH
R
361 mm
S3
Threaded

Operating Specifications

Recommended operating limits for pressure and speed
Media
Steam, Water
Rotor Connection
3"-8 NPT LH
Supply Connection
2"-11.5 NPT
Steam Max. Flow
4170 l/min
Steam Max. Pressure
3.5 bar
Steam Max. Temperature
121 °C
Water Max. Flow
1001 l/min
Water Max. Pressure
10 bar
Water Max. Temperature
121 °C

Documents & Resources

Interface Drawing
Interface Control drawing for 857-004-102
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 857