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