Union, Quick Connect, 3.4" pilot, 2" NPT
857-003-128
- 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 ConnectQuick Connect
B
2"-11.5 NPT2"-11.5 NPT
C
190 mm7.48 "
D1
394 mm15.512 "
D2
488 mm19.213 "
E
112.7 mm4.437 "
F
0 mm0 "
G
73 mm2.874 "
I
87.12 mm3.43 "
J
298 mm11.732 "
K
3"-8 NPT3"-8 NPT
M
75 mm2.953 "
N
149 mm5.866 "
O
NPT 2"-11.5 RHNPT 2"-11.5 RH
R
394 mm15.512 "
S
26.4 mm1.039 "
S2
47.421 mm1.867 "
S3
BrazedBrazed
X
22 mm0.866 "
Operating Specifications
Media
Steam, WaterSteam, Water
Rotor Connection
Quick Connect Quick Connect
Supply Connection
2"-11.5 NPT 2"-11.5 NPT
Steam Max. Flow
4170 l/min1,101.6 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
1001 l/min264.4 GPM
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions beginning with 857