| BRAND | Ritag |
| Product | 9800001729 // SR 20.40-St DN50 PN6-40 |
| Description | intermediate flange check valve |
| Internal code | IMP4582144 |
| Custom code | 8481 30 91 |
| Technical specification | Length EN558 series 49 fits between flanges DIN EN1092-1, PN6-40 housing sealing strips form B1, EN1092-1 Case: 1.0421 Plate: 1.4301 spring: 1.4571, poe 20 mbar Seal type: metallic leak rate D according to EN12266-1 |
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