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DPRV Series Gas Filter Regulator: Integrated Pressure Stabilization & Filtration to Safeguard Gas System

2026-11-05

The Madewelle DPRV Series Gas Filter Regulator is newly launched! Integrating two core functions — pressure regulation & stabilization and precision filtration, this product adopts an all-mechanical structure with no electrical support required. Six bore sizes cover a wide range of working conditions, delivering a highly reliable all-in-one solution for burner equipment and industrial gas branch systems.

Precision Pressure Stabilization via All‑mechanical Design for Stable Combustion

The DPRV Series achieves mechanically self-tuning pressure stabilization through spring tension. No external power supply or electronic control components are needed. It maintains stable outlet pressure, effectively preventing gas pressure fluctuations, keeping consistent flame intensity of burners and ensuring continuous and stable equipment operation.

Built-in G4 Precision Filtration to Simplify Pipeline Layout

The valve incorporates a G4-grade filter screen internally, trapping solid impurities larger than 10 μm. Featuring high dust holding capacity and low flow resistance, it can directly replace pre-line filters, eliminating separate filter valves, streamlining pipeline layout and cutting the procurement cost of the whole set of equipment.

Manufactured to Stringent Standards with Multi-layer Safety Protection

Manufactured in strict accordance with EU standards EN88, EN549 and EN13611, this regulator meets AC10 regulation class and SG30 shut-off pressure class. It is equipped with a safety sealed chamber, breather device and inlet/outlet test ports for real-time pipeline pressure detection and blocking foreign debris from entering the valve body, comprehensively improving the operational safety of gas systems.

Available in six bore sizes from DN15 to DN50, it is compatible with non-corrosive gases including natural gas, town gas and liquefied petroleum gas. It operates within a wide temperature range of -15℃ to +60℃, widely used for gas burners, mixed gas supply systems and industrial gas branch pipelines.

Easy Commissioning for Simple & Efficient Maintenance

A visual adjustment screw is fitted on the top. Turn clockwise to raise pressure and counterclockwise to reduce pressure. The setting can be locked by covering the protective cap after commissioning. Multi-color springs are available to match different outlet pressure ranges to meet diverse working condition requirements.

The bottom of the valve body adopts a quick-disassembly structure. It can be rapidly disassembled and assembled with matching tools for filter cleaning and gasket replacement, minimizing equipment downtime. The valve body is made of aluminum housing combined with steel and synthetic materials for robust and long-lasting performance.

Integrated filter regulators represent an important development trend for industrial gas accessories. The DPRV Series combines pressure regulation and filtration in one unit, balancing performance, safety and maintenance efficiency, and offers a new option for industrial gas equipment supporting systems. Going forward, we will keep focusing on gas fluid control and launch more high-quality products for the industry.

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