Union, 4" NPT RH, 2-1/2" NPT
6400-031-430
- 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
4"-8 NPT RH4"-8 NPT RH
B
2-1/2"-8 NPT2-1/2"-8 NPT
C
279 mm10.984 "
D1
466.7 mm18.374 "
D2
564 mm22.205 "
E
99 mm3.898 "
F
57.2 mm2.252 "
G
98.4 mm3.874 "
H
127 mm5 "
J
345 mm13.583 "
K
4"-8 NPT4"-8 NPT
M
88.9 mm3.5 "
N
144 mm5.669 "
O
NPT 2-1/2"-8 RHNPT 2-1/2"-8 RH
P
Non-ThreadedNon-Threaded
R
464 mm18.268 "
S
28.5 mm1.122 "
S2
69.72 mm2.745 "
S3
RotatingRotating
Operating Specifications
Media
WaterWater
Rotor Connection
4"-8 NPT RH 4"-8 NPT RH
Supply Connection
2-1/2"-8 NPT 2-1/2"-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 6400-031-430
Operating Manual
Operating Manual for 6000-series unions
Service Guide
Service Guide for unions beginning with 620X to 640X