Union, Quick Connect, 3.3" pilot, 3" NPT

857-000-128

  • 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
Quick Connect
B
3"-8 NPT
C
191 mm
D1
375 mm
E
88.9 mm
F
24 mm
G
73 mm
I
84.12 mm
J
318 mm
X
31.75 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Steam, Water
Rotor Connection
Quick Connect
Supply Connection
3"-8 NPT
Steam Max. Flow
4170 l/min
Steam Max. Pressure
1 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 857-000-128
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 857