Union, 5/8" UNF LH, 3/8" NPT
57-222-683
- 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 LH5/8"-18 UNF LH
B
3/8"-18 NPT3/8"-18 NPT
C
44 mm1.732 "
D1
109.3 mm4.303 "
E
33 mm1.299 "
F
16 mm0.63 "
G
9.5 mm0.374 "
H
22 mm0.866 "
J
74 mm2.913 "
K
1/4"-18 NPT1/4"-18 NPT
P
Non-ThreadedNon-Threaded
Operating Specifications
Media
Nitrogen, ArgonNitrogen, Argon
Rotor Connection
5/8"-18 UNF LH 5/8"-18 UNF LH
Supply Connection
3/8"-18 NPT 3/8"-18 NPT
Nitrogen Max. Flow
2549 l/min90 CFM
Nitrogen Max. Pressure
3.5 bar50 psi
Nitrogen Max. Temperature
93 °C195 °F
Argon Max. Flow
2549 l/min90 CFM
Argon Max. Pressure
3.5 bar50 psi
Argon Max. Temperature
93 °C195 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 57-222-683
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions