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The ZM-B/R25 is a combined back pressure and check valve (Rückfluss Sperrventil / Rückschlagventil) in inline design. It reliably prevents the backflow of gases and liquids to 100%, making it ideal for protecting process equipment from contamination or damage caused by reverse flow. Designed for gas applications in industrial environments with ATEX, CE, FDA, and PED certifications.
| Product type | Reflux blocking valve / check valve |
| Pressure class | Low pressure |
| Nominal diameter | DN25 |
| Inlet pressure P1 | min 0.01 bar |
| Outlet pressure P2 | 8 to 500 mbar |
| Temperature range | -20 to 180 °C |
| Material | Stainless steel, Hastelloy |
| Media | Gases |
| Certifications | ATEX, CE, FDA, USP VI, PED, Oil and grease free |
Low pressure differential pressure reduction valve in inline design for industrial and pharmaceutical applications. Controls both gaseous and liquid media.
Low pressure differential pressure reduction valve in inline design for industrial and pharmaceutical applications. Controls both gaseous and liquid media.
Low pressure differential pressure reduction valve in inline design for industrial and pharmaceutical applications. Controls both gaseous and liquid media.
Contact our engineering team for custom specifications, material options, and technical support for the ZM-B/R25 Reflux Blocking Valve.
