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The ZM-R15 is a differential pressure regulator that maintains constant overpressure relative to atmospheric pressure without requiring auxiliary energy. Designed for inerting and protective gas blanketing processes, it is used in chemical, petrochemical, pharmaceutical, cosmetics, and food industries. The regulator enables dynamic pressure control from -1000 to +2500 mbar and supports applications such as inerting, tank ventilation, pressure maintenance, vacuum breaking, hydrostatic pumping, explosion protection, and environmental protection. In combination with an overflow valve (ZM-B series), inert gas consumption can be reduced by up to 90%.
| Product type | Pressure reduction valve |
| Pressure class | Low pressure / differential pressure / vacuum |
| Nominal diameter | DN15 |
| Inlet pressure P1 | 0.5 to 10 bar (7.25 to 145 psi) |
| Outlet pressure P2 | -0.2 to 2.5 bar (-14.5 to 29 psi) |
| Temperature range | -20 to 180 °C |
| Material | Stainless steel (1.4571), Hastelloy C |
| Media | Liquids, 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 overflow valve in inline design for industrial and pharmaceutical inerting and blanketing applications.
Contact our engineering team for custom specifications, material options, and technical support for the ZM-R15 Back Pressure Regulator.
