The delivered DN400 safety valve is designed, manufactured, and tested in strict compliance with API 526, API 520, ASME Section VIII, and ISO 4126, ensuring accurate and reliable overpressure protection across various pressure systems, fully meeting the stringent requirements for safety and operational stability in industrial applications.

The valve body is made of ASTM A216 WCB carbon steel, offering excellent mechanical strength and pressure resistance, and is widely applicable in oil & gas, petrochemical, power generation, and pressure vessel systems.

With smart manufacturing systems and rigorous quality control processes, DAQIAN Valves has established a stable, traceable, and highly reliable global delivery system within the industrial valve supply chain.

Each DAQIAN safety valve undergoes strict set pressure calibration, leakage testing, and performance verification, ensuring fast response, tight sealing, and long service life under continuous operation and sudden overpressure conditions, consistently meeting and exceeding engineering expectations.

We sincerely appreciate the long-term trust and support of our global customers.

DAQIAN Valves delivers not only products, but also quality, reliability, and long-term value — connecting the world and creating prosperity together.

📧 QianhaiExport@daqianvalves.com

🌐 www.DAQIANValves.com

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