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DN65 Precision Pressure Regulating Valve for Safety Gas Systems

The DN65 pressure regulating valve is a critical component designed to control and stabilize fluid pressure in industrial systems. Typically featuring a DN65 (65mm nominal diameter) connection, this valve ensures precise regulation of outlet pressure through adjustable spring mechanisms or diaphragm systems. Compliant with standards such as EN88 and DIN3380, it accommodates input pressures up to 500mbar while maintaining consistent output. Commonly used in gas combustion systems, industrial furnaces, and pipelines. Its robust design incorporates safety features like pre-pressurized balancing diaphragms and pressure-relief mechanisms, ensuring reliable operation across neutral gaseous media. This valve is engineered for high flow capacity and responsive adjustments, making it suitable for applications requiring stringent pressure control.
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  • DN65

  • KING POWER

  • 8481100090

1. Product Overview

The DN65 Precision Pressure Regulating Valve is engineered to deliver reliable and accurate pressure control for industrial gas applications, including combustion systems, pipelines, and process equipment. Designed for high-flow neutral gaseous media (e.g., natural gas, propane, air), it ensures stable outlet pressure while prioritizing safety and operational efficiency.

2. Key Features

  • Adjustable Pressure Regulation

    • Spring-loaded diaphragm mechanism enables precise outlet pressure control (adjustable range: typically 50–500 mbar, customizable per requirements).

  • High Flow Capacity

    • Optimized internal flow path minimizes pressure drop, supporting high-volume gas delivery (e.g., up to 1,000 Nm³/h, depending on pressure settings).

  • Durable Construction

    • Robust housing (cast iron or stainless steel) and corrosion-resistant components ensure longevity in harsh industrial environments.

  • Dual Connection Options

    • Flange Connection: DN65 (or DN20–DN150 range) for seamless integration into pipelines.

    • Threaded Connection: Rp3/8 to Rp2 for flexible installation in smaller systems.

  • Safety Mechanisms

    • Integrated pressure-relief valve prevents overpressure risks.

    • Balancing diaphragm ensures stable operation under fluctuating inlet pressures.

  • Compliance & Certifications

    • Meets international standards (e.g., EN88, DIN3380, ISO 9001) for quality and safety.

3. Technical Specifications


ParameterDetails
Nominal Diameter (DN)DN65 (customizable: DN20–DN150)
Inlet Pressure RangeUp to 500 mbar (adjustable)
Outlet Pressure Range50–500 mbar (standard; customizable)
Flow CapacityUp to 1,000 Nm³/h (varies by model)
Media CompatibilityNatural gas, propane, air, inert gases
Temperature Range-20°C to +80°C (standard)
MaterialCast iron (body), stainless steel (internal components)
Connection TypesFlanged (DN65) or threaded (Rp3/8–Rp2)
CertificationsEN88, DIN3380, CE, ISO 9001


4. Applications

  • Industrial Combustion Systems: Boilers, heaters, and furnaces.

  • Gas Distribution Networks: Pipelines and storage systems.

  • Power Generation: Gas engines and turbines.

  • Process Control: Chemical plants and manufacturing facilities.

5. Advantages

  • Precision & Stability: Minimizes pressure fluctuations for consistent performance.

  • Safety First: Built-in overpressure protection reduces risk of equipment damage.

  • Flexible Installation: Compatible with flanged or threaded connections.

  • Low Maintenance: Durable design reduces downtime and operational costs.

6. Customization Options

  • Outlet Pressure Range: Tailored to specific application requirements.

  • Materials: Upgraded to stainless steel for corrosive environments.

  • Special Coatings: Anti-corrosion treatments for extreme conditions.

  • Accessories: Optional pressure gauges, filters, or manual bypass valves.


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