Union, 5/8" UNF RH, 0.625" pilot, 3/8" NPT
57-1005-687
- 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
A
5/8"-18 UNF RH5/8"-18 UNF RH
B
3/8"-18 NPT3/8"-18 NPT
C
44.45 mm1.75 "
D1
106 mm4.173 "
E
31 mm1.22 "
F
21 mm0.827 "
G
9.5 mm0.374 "
H
22 mm0.866 "
I
15.872 mm0.625 "
J
63 mm2.48 "
K
1/4"-18 NPT1/4"-18 NPT
P
Non-ThreadedNon-Threaded
X
3 mm0.118 "
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
5/8"-18 UNF RH 5/8"-18 UNF RH
Supply Connection
3/8"-18 NPT 3/8"-18 NPT
Hot Oil Max. Flow
12.5 l/min3.3 GPM
Hot Oil Max. Pressure
6.2 bar90 psi
Hot Oil Max. Temperature
121 °C250 °F
Steam Max. Flow
51.9 l/min13.7 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
12.5 l/min3.3 GPM
Water Max. Pressure
51.7 bar750 psi
Water Max. Temperature
121 °C250 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 57-1005-687
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions