There are three types of ductile iron check valve: Flanged, Threaded, and Wafer
Description
KITZ Ductile Iron Check Valve
Series and their sizes (in.):
Threaded |
Wafer |
Flanged |
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10SF |
20SN |
20SW |
10SFBF |
10SRBF |
150SRB |
20SNB |
20SOB |
1/2″ | 1/2″ | 2″ | 1/2″ | 1-1/2″ | 1-1/2″ | 1/2″ | 2″ |
3/4″ | 3/4″ | 2-1/2″ | 3/4″ | 2″ | 2″ | 3/4″ | 2-1/2″ |
1″ | 1″ | 3″ | 1″ | 2-1/2″ | 2-1/2″ | 1″ | 3″ |
1-1/4″ | 1-1/4″ | 4″ | 1-1/4″ | 3″ | 3″ | 1-1/4″ | 4″ |
1-1/2″ | 1-1/2″ | 5″ | 1-1/2″ | 4″ | 4″ | 1-1/2″ | 5″ |
2″ | 2″ | 6″ | 2″ | 5″ | 5″ | 2″ | 6″ |
8″ | 6″ | 6″ | 8″ | ||||
8″ | 8″ |