Additional Equipment — Check Valve Features:
Connect cylinder and valve to stop cylinder halfway, preventing adverse effect by leak in valve
Check Valve S Series
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| Model No | Port size |
Effective area (mm2) |
Pressure range MPa(kgf/cm²) |
| S/520 | G1/8 | 14 |
0.03~1 (0.3~10) |
| S/521 | G1/4 | 18 | |
| S/522 | G1/2 | 90 | |
| S/523 | G3/4 | 195 | |
| S/524 | G1 | 317 |
Double Pilot Check Valve ST Series
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| Model No | Port size |
Effective area (mm2) |
Pressure range MPa(kgf/cm²) |
| ST-10 | Rc1/4,3/8 | 45 |
0.15~1 (1.5~10) |
| ST-15 | Rc1/2 | 70 | |
| ST-25 | Rc3/4,1 | 190 |
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