Union, 11" flange, 10.26" pilot, 4" NPT

6400-030-387

  • Monoflow and duoflow design
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • Steel-banded floating seal
  • Easy and quick replacement of sealing components
  • Full-media flow
  • Vent slots
  • Cast iron housing
  • Steel rotor flanged/threaded
  • Seal Combinations: Carbon Graphite/Tungsten Carbide standard, Silicon Carbide/Tungsten Carbide for severe conditions such as poor water quality

Dimensions

Selected dimensions for this product
A
276.2 mm
B
4"-8 NPT
C
276 mm
D1
482 mm
E
78 mm
F
6.4 mm
G
101.6 mm
I
260.48 mm
J
403 mm
M
96.8 mm
O
NPT 4"-8 RH
P
Non-Threaded
X
6.4 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
276.2 mm
Supply Connection
4"-8 NPT
Water Max. Pressure
10 bar
Water Max. Temperature
121 °C

Documents & Resources

Installation Guide
Installation Guide for 6000 and 6005 series
Interface Drawing
Interface Control drawing for 6400-030-387
Operating Manual
Operating Manual for 6000-series unions
Service Guide
Service Guide for unions beginning with 620X to 640X