257-000-021
- 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
Features.ProductSeries.Imperial
Features.ProductSeries.Metric
Features.ProductDetail.DimensionTitle
A
3/4"-14 NPT LH
B
3/4"-14 NPT
C
2.875"
C
73.03 mm
D1
141 mm
D1
5.551"
E
1.457"
E
37 mm
F
0.866"
F
22 mm
G
0.669"
G
17 mm
H
32 mm
H
1.26"
J
3.898"
J
99 mm
K
1/2"-14 NPT
P
Non-Threaded
Features.ProductDetail.SpecificationTitle
Features.Products.Media
Water, Steam, Hot Oil
Features.ProductDetail.SpecificationRotorConnectionTitle
3/4"-14 NPT LH
Features.ProductDetail.SpecificationHousingConnectionTitle
3/4"-14 NPT
Hot Oil
Features.ProductDetail.Flow
13.9 GPM
Hot Oil
Features.ProductDetail.Flow
52.8 l/min
Hot Oil
Features.ProductDetail.Pressure
100 psi
Hot Oil
Features.ProductDetail.Pressure
6.9 bar
Hot Oil
Features.ProductDetail.Temperature
250 °F
Hot Oil
Features.ProductDetail.Temperature
121 °C
Steam
Features.ProductDetail.Flow
58.1 GPM
Steam
Features.ProductDetail.Flow
219.9 l/min
Steam
Features.ProductDetail.Pressure
15 psi
Steam
Features.ProductDetail.Pressure
1 bar
Steam
Features.ProductDetail.Temperature
250 °F
Steam
Features.ProductDetail.Temperature
121 °C
Water
Features.ProductDetail.Flow
13.9 GPM
Water
Features.ProductDetail.Flow
52.8 l/min
Water
Features.ProductDetail.Pressure
750 psi
Water
Features.ProductDetail.Pressure
51.7 bar
Water
Features.ProductDetail.Temperature
250 °F
Water
Features.ProductDetail.Temperature
121 °C
Features.Products.DocumentsAndResources