| screw-in cartridge valves | 4ck1201s check cart pilot op | ||
| pilot port size | -1 : internal | ||
| Seal | -s : nitrile (for use with most industrial hydraulic oils) | ||
| body material | none |
| Series | 4ck120 : 120 l/min [32 usgpm];350 bar [5000 psi] pilot to open check valve - cartridge only | ||
| Port size | none | ||
| pilot piston seal | no pilot piston seal | ||
| special features | none |
