Basically, check valve enables the flow of fluid in one direction but automatically closes in the other direction.
Product Adventages
Compact design
In-line mounted
Quiet operation
Instantaneous shutoff against reverse flow, low forward pressure opening
Disc seats before reverse flow to avoid fluid shock on reverse pressure differential
Equipment Qualification
Based on the standards below, ASCO NP Check valve can meet the requirements for the equipment qualification of all Nuclear power plants.
IEEE-323
IEEE-344
IEEE-382