157-000-022012
- 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
Imperial
Metric
Dimensions
![](/-/media/API-Sync-Assets/DIM/doc-3416.png)
K
3/8"-18 NPT
B
1/2"-14 NPT
A
3/4"-16 UNF LH
C
57.2 mm
D1
128.2 mm
D2
166.2 mm
E
45.45 mm
F
26.8 mm
G
15.5 mm
H
36.5 mm
J
80.7 mm
M
18 mm
N
52.77 mm
O
NPT 3/8"-18 RH
R
128.2 mm
S3
Threaded
P
Non-Threaded
C
2.252"
D1
5.047"
D2
6.543"
E
1.789"
F
1.055"
G
0.61"
H
1.437"
J
3.177"
M
0.709"
N
2.078"
R
5.047"
Operating Specifications
Media
Water, Steam, Hot Oil
Rotor Connection
3/4"-16 UNF LH
Housing Connection
1/2"-14 NPT
Hot Oil
Max. Pressure
6.9 bar
Hot Oil
Max. Flow
26.9 l/min
Hot Oil
Max. Flow
7.1 GPM
Hot Oil
Max. Temperature
121 °C
Hot Oil
Max. Temperature
250 °F
Hot Oil
Max. Pressure
100 psi
Steam
Max. Pressure
1 bar
Steam
Max. Flow
112.2 l/min
Steam
Max. Flow
29.6 GPM
Steam
Max. Temperature
121 °C
Steam
Max. Temperature
250 °F
Steam
Max. Pressure
15 psi
Water
Max. Pressure
51.7 bar
Water
Max. Flow
26.9 l/min
Water
Max. Flow
7.1 GPM
Water
Max. Temperature
121 °C
Water
Max. Temperature
250 °F
Water
Max. Pressure
750 psi
![](/-/media/API-Sync-Assets/CHI/doc-5669.png)
![](/-/media/API-Sync-Assets/CHM/doc-5670.png)