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 | |||||
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″ | ||||||
