Union, 3" NPT RH, 3" NPT
6300-001-157
- 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
3"-8 NPT RH3"-8 NPT RH
B
3"-8 NPT3"-8 NPT
C
228.6 mm9 "
D1
432.2 mm17.016 "
E
98.6 mm3.882 "
F
47.5 mm1.87 "
G
73 mm2.874 "
H
100 mm3.937 "
J
354 mm13.937 "
M
77.8 mm3.063 "
O
NPT 3"-8 RHNPT 3"-8 RH
P
Non-ThreadedNon-Threaded
Operating Specifications


Media
WaterWater
Rotor Connection
3"-8 NPT RH 3"-8 NPT RH
Supply Connection
3"-8 NPT 3"-8 NPT
Water Max. Flow
1514 l/min400 GPM
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 6300-001-157
Operating Manual
Operating Manual for 6000-series unions
Service Guide
Service Guide for unions beginning with 620X to 640X