1/8-27 NPT x 1/8" Threaded Check Valves
| Diaphragm/Body | Size | |
| CT03-03-P45C | Neoprene/Polycarbonate | 1/8-27 NPT x 1/8" |
| CT03-03-P43N | Neoprene/Nylon | 1/8-27 NPT x 1/8" |
| CT03-03-S45C | Silicone/Polycarbonate | 1/8-27 NPT x 1/8" |
| CT03-03-S43N | Silicone/Nylon | 1/8-27 NPT x 1/8" |
| CT03-03-V47N | Viton/Kynar | 1/8-27 NPT x 1/8" |
| CT03-03-V41N | Viton/Polypropylene | 1/8-27 NPT x 1/8" |
1/8-27 NPT x 3/16" Threaded Check Valves
| Diaphragm/Body | Size | |
| CT03-05-P45C | Neoprene/Polycarbonate | 1/8-27 NPT x 3/16" |
| CT03-05-P43N | Neoprene/Nylon | 1/8-27 NPT x 3/16" |
| CT03-05-S45C | Silicone/Polycarbonate | 1/8-27 NPT x 3/16" |
| CT03-05-S43N | Silicone/Nylon | 1/8-27 NPT x 3/16" |
| CT03-05-V47N | Viton/Kynar | 1/8-27 NPT x 3/16" |
| CT03-05-V41N | Viton/Polypropylene | 1/8-27 NPT x 3/16" |
1/8-27 NPT x 1/4" Threaded Check Valves
| Diaphragm/Body | Size | |
| CT03-06-P45C | Neoprene/Polycarbonate | 1/8-27 NPT x 1/4" |
| CT03-06-P43N | Neoprene/Nylon | 1/8-27 NPT x 1/4" |
| CT03-06-S45C | Silicone/Polycarbonate | 1/8-27 NPT x 1/4" |
| CT03-06-S43N | Silicone/Nylon | 1/8-27 NPT x 1/4" |
| CT03-06-V47N | Viton/Kynar | 1/8-27 NPT x 1/4" |
| CT03-06-V41N | Viton/Polypropylene | 1/8-27 NPT x 1/4" |
1/8-27 NPT x 3/8" Threaded Check Valves
| Diaphragm/Body | Size | |
| CT03-10-P45C | Neoprene/Polycarbonate | 1/8-27 NPT x 1/8" |
| CT03-10-P43N | Neoprene/Nylon | 1/8-27 NPT x 1/8" |
| CT03-10-S45C | Silicone/Polycarbonate | 1/8-27 NPT x 1/8" |
| CT03-10-S43N | Silicone/Nylon | 1/8-27 NPT x 1/8" |
| CT03-10-V47N | Viton/Kynar | 1/8-27 NPT x 1/8" |
| CT03-10-V41N | Viton/Polypropylene | 1/8-27 NPT x 1/8" |
