OCV 128, an excess flow shut-off valve, closes when the flow rate set point is exceeded. Manual reset shall be required to re-open the valve. This valve can be employed anywhere excessive flow rates must be positively prevented. It is particularly useful as a protective device against downstream line rupture.
Size Unit
Size range
Pressure rating
Working temperature
End connection type
Threaded
Flanged
Grooved
Materials of construction
Body and Cover
Ductile Iron
Stainless Steel
Cast Steel
Aluminum
Internal Parts
Stainless Steel
Trim Material
Stainless Steel
Low-Lead Bronze/Brass
Copper
Diaphragm
EPDM
Buna-N
Elastomers
EPDM
Buna-N
* Other optional materials available upon request