Union, 11" flange, 4.75" pilot, 4" NPT
6400-042-330
- 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

A
276.2 mm10.874 "
B
4"-8 NPT4"-8 NPT
C
276 mm10.866 "
D1
490.5 mm19.311 "
E
84.5 mm3.327 "
F
7.5 mm0.295 "
G
101.6 mm4 "
I
120.625 mm4.749 "
J
410 mm16.142 "
M
97 mm3.819 "
O
NPT 4"-8 RHNPT 4"-8 RH
P
Non-ThreadedNon-Threaded
X
7.5 mm0.295 "
Operating Specifications


Media
WaterWater
Rotor Connection
276.2 mm10.874 "
Supply Connection
4"-8 NPT 4"-8 NPT
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for 6000 and 6005 series
Interface Drawing
Interface Control drawing for 6400-042-330
Operating Manual
Operating Manual for 6000-series unions
Service Guide
Service Guide for unions beginning with 620X to 640X