257-991-131372
- 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
A
G 3/4"-14 RH
B
G 1/2"-14
C
2.875"
C
73.03 mm
D1
156.5 mm
D1
6.161"
D2
173.5 mm
D2
6.831"
E
1.339"
E
34 mm
F
19 mm
F
0.748"
G
17.5 mm
G
0.689"
H
1.417"
H
36 mm
J
92 mm
J
3.622"
K
1/2"-14 NPT
M
1.024"
M
26 mm
N
51.5 mm
N
2.028"
O
G 1/2"-14 RH
P
PT 1/8"-28
R
6.161"
R
156.5 mm
S
1.102"
S
28 mm
S2
0.492"
S2
12.5 mm
S3
Fixed
Operating Specifications
Media
Water, Steam, Hot Oil
Rotor Connection
G 3/4"-14 RH
Housing Connection
G 1/2"-14
Hot Oil
Max. Flow
13.9 GPM
Hot Oil
Max. Flow
52.8 l/min
Hot Oil
Max. Pressure
100 psi
Hot Oil
Max. Pressure
6.9 bar
Hot Oil
Max. Temperature
250 °F
Hot Oil
Max. Temperature
121 °C
Steam
Max. Flow
58.1 GPM
Steam
Max. Flow
219.9 l/min
Steam
Max. Pressure
15 psi
Steam
Max. Pressure
1 bar
Steam
Max. Temperature
250 °F
Steam
Max. Temperature
121 °C
Water
Max. Flow
13.9 GPM
Water
Max. Flow
52.8 l/min
Water
Max. Pressure
750 psi
Water
Max. Pressure
51.7 bar
Water
Max. Temperature
250 °F
Water
Max. Temperature
121 °C
