Union, 7" flange, 5.52" pilot, 2" NPT
657-051-345432
- 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
165.1 mm6.5 "
B
2"-11.5 NPT2"-11.5 NPT
C
117 mm4.606 "
D1
260 mm10.236 "
D2
350 mm13.78 "
E
82.6 mm3.252 "
F
0 mm0 "
G
48 mm1.89 "
I
140.13 mm5.517 "
J
202 mm7.953 "
K
1-1/2"-11.5 NPT1-1/2"-11.5 NPT
M
46 mm1.811 "
N
113 mm4.449 "
O
NPT 1"-11.5 RHNPT 1"-11.5 RH
P
Non-ThreadedNon-Threaded
R
295 mm11.614 "
S3
ThreadedThreaded
X
6 mm0.236 "
Operating Specifications
Media
WaterWater
Rotor Connection
165.1 mm6.5 "
Supply Connection
2"-11.5 NPT 2"-11.5 NPT
Water Max. Flow
390.5 l/min103.2 GPM
Water Max. Pressure
10 bar150 psi
Water Max. Temperature
93 °C195 °F
Documents & Resources
Installation Guide
Installation Guide for 54, 55, and 57 series
Interface Drawing
Interface Control drawing for 657-051-345432
Operating Manual
Operating Manual for 54, 55, and 57 series
Service Guide
Service Guide for unions 57-series unions