Union, Duoflow, 3/8" NPT RH, 3/8" NPT

57-000-001030

  • Monoflow and duoflow design
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • Keyed rotor seal
  • Easy and quick replacement of sealing components
  • Ball bearings lubricated for life
  • E.L.S. (Extended Life Service) seal combination for poor water quality
  • 3 vent holes
  • Forged brass housing and stainless steel rotor
  • Special options include threaded vent holes

Dimensions

Selected dimensions for this product
A
3/8"-18 NPT RH
B
3/8"-18 NPT
C
44 mm
D1
100 mm
D2
123 mm
E
26 mm
F
16 mm
G
9.5 mm
H
22 mm
J
72 mm
K
1/4"-18 NPT
M
20 mm
N
33.3 mm
O
NPT 1/4"-18 RH
P
Non-Threaded
R
109 mm
S
18 mm
S2
6.6 mm
S3
Rotating

Operating Specifications

Recommended operating limits for pressure and speed
Media
Hot Oil, Steam, Water
Rotor Connection
3/8"-18 NPT RH
Supply Connection
3/8"-18 NPT
Hot Oil Max. Flow
12.5 l/min
Hot Oil Max. Pressure
6.9 bar
Hot Oil Max. Temperature
121 °C
Steam Max. Flow
51.9 l/min
Steam Max. Pressure
1 bar
Steam Max. Temperature
121 °C
Water Max. Flow
12.5 l/min
Water Max. Pressure
51.7 bar
Water Max. Temperature
121 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 57-000-001030
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions