Union, Hot Pack, 5" flange, 3.15" pilot, G 1-1/4"

655-921-421553

  • Monoflow and duoflow operation
  • Self-supported rotating union
  • Radial housing connection
  • Balanced mechanical seals
  • 3 vent holes
  • Forged brass housing and stainless steel rotor
  • Special options include threaded vent holes, low torque design
  • Seal Combinations: Carbon Graphite/Bronze for water; Carbon Graphite/Ceramic for hot oil, hot water and saturated steam; Tungsten Carbide/Ceramic for severe conditions such as poor water quality

Dimensions

A
125 mm
B
G 1-1/4"-11
C
117.5 mm
D1
278 mm
E
66 mm
F
20 mm
G
47.6 mm
I
80 mm
J
172 mm
K
G 1-1/4"-11
P
Non-Threaded
X
20 mm

Operating Specifications

Recommended operating limits for pressure and speed
Media
Hot Oil, Steam, Water
Rotor Connection
125 mm
Supply Connection
G 1-1/4"-11
Hot Oil Max. Flow
390.5 l/min
Hot Oil Max. Pressure
6.9 bar
Hot Oil Max. Temperature
160 °C
Steam Max. Flow
1,627.2 l/min
Steam Max. Pressure
1 bar
Steam Max. Temperature
160 °C
Water Max. Flow
390.5 l/min
Water Max. Pressure
13.8 bar
Water Max. Temperature
160 °C

Documents & Resources

Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 655-921-421553
Operating Manual
Operating Manual for unions beginning with 555-413, 655-905, 655-921 or 655-952
Service Guide
Service Guide for unions beginning with 55 to 655