Union, M16x1.5 RH, 18 mm pilot, G 3/8"

157-420-401

  • 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
M16x1.5 RH
B
G 3/8"-19
C
57.2 mm
D1
115 mm
E
35 mm
F
15.9 mm
G
10 mm
H
19.1 mm
I
17.993 mm
J
77 mm
K
G 3/8"-19
P
M10x1
R
111.4 mm
S3
Fixed
X
5 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Water
Rotor Connection
M16x1.5 RH
Supply Connection
G 3/8"-19
Water Max. Flow
26.9 l/min
Water Max. Pressure
10 bar
Water Max. Temperature
93 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 157-420-401
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions