Union, Quick Connect, 40 mm pilot, 1-1/4" NPT
525-404-258
- 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
Quick ConnectQuick Connect
B
1-1/4"-11.5 NPT1-1/4"-11.5 NPT
C
90.5 mm3.563 "
D1
194.2 mm7.646 "
E
55.8 mm2.197 "
F
31.7 mm1.248 "
G
31.8 mm1.252 "
I
40.1 mm1.579 "
J
147.9 mm5.823 "
K
1"-11.5 NPT1"-11.5 NPT
P
Non-ThreadedNon-Threaded
X
19 mm0.748 "
Operating Specifications
Media
Hot Oil, Steam, WaterHot Oil, Steam, Water
Rotor Connection
Quick Connect Quick Connect
Supply Connection
1-1/4"-11.5 NPT 1-1/4"-11.5 NPT
Hot Oil Max. Flow
174.3 l/min46 GPM
Hot Oil Max. Pressure
6.9 bar100 psi
Hot Oil Max. Temperature
121 °C250 °F
Steam Max. Flow
726.2 l/min191.8 GPM
Steam Max. Pressure
1 bar15 psi
Steam Max. Temperature
121 °C250 °F
Water Max. Flow
174.3 l/min46 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 525-404-258
Operating Manual
Operating Manual for 54, 55, and 57 series