| BRAND | Duplomatic |
| Product | VPP4M-D/50-1457020 |
| Description | double check valve |
| Internal code | IMP4828057 |
| Technical specification | DLV 24800025054 CHM5-D/11N 3653600010 hydraulically unlockable, NG 10, Cetop 05, Q=65ltr/min, p=300bar |
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