257-000-003044
- 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
1"-14 UNS RH
B
3/4"-14 NPT
C
2.875"
C
73.03 mm
D1
135 mm
D1
5.315"
D2
170 mm
D2
6.693"
E
1.299"
E
33 mm
F
19 mm
F
0.748"
G
17.4 mm
G
0.685"
H
1.252"
H
31.8 mm
J
93 mm
J
3.661"
K
1/2"-14 NPT
M
24.6 mm
M
0.969"
N
1.811"
N
46 mm
O
NPT 1/2"-14 RH
P
Non-Threaded
R
5.315"
R
135 mm
S3
Threaded
Operating Specifications
Media
Water
Rotor Connection
1"-14 UNS RH
Housing Connection
3/4"-14 NPT
Water Flow
13.9 GPM
Water Flow
52.8 l/min
Water Pressure
10 bar
Water Pressure
150 psi
Water Temperature
93 °C
Water Temperature
195 °F
