| NSPW, NFFW series | NSPW-10 | 3/8 |
| NSPW-15 | 1/2 | |
| NSPW-20 | 3/4 | |
| NSPW-25 | 1 | |
| NFFW-32 | 1 1/4 | |
| NFFW-40 | 1 1/2 | |
| NFFW-50 | 2 | |
| NFFW-65 | 2 1/2 | |
| NFFW-80 | 3 | |
| NFFW-50S | 2 | |
| NFF-80S | 3 | |
| FPC series | FPC-N8P-□□ | 1/4″ |
| FPC-N10P-□□ | 3/8″ | |
| FPC-N15P-□□ | 1/2″ | |
| FPC-N15P-10 | 1/2″ | |
| RSP series | RSP-12 | 3/8 |
| RSP-15 | 1/2 |
Constant Flow Valves (KEIHIN)
