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Check Valves ERV
Description
Series ERV pilot-operated check valves lock a cylinder in any rest position.
They are intended for direct mounting in the cylinder.
Advantages
- - pilot-operated check function and pipe-rupture protection in one valve
- - optimized hydraulic pilot stage gives gentle opening
- - leak-free valve seats; hardened, ground and lapped
- - load pressure acts in the closing direction
Technical Data
| type |
picture |
max. flow rate l/min |
opening P dynamic bar |
operating pressure static bar |
area ratio |
data sheets |
| ERV 8 - 600 |
 |
80 |
2.5 bar (A → B) |
450 |
1:2.5 / 2.1:1 |
ERV-8-600_300-P-9050092 |
| ERV 8 - 300 |
 |
80 |
2.5 bar (A → B) |
450 |
1:2.5 / 2.1:1 |
ERV-8_300-P-9050014 |
| ERV 8 - PH - 600 |
 |
50 |
4.0 bar (A → B) |
450 / 600 |
1 : 2.56 |
ERV-8-PH_300-p-9050115 |
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