Explore our elite selection of industrial-grade low voltage controllers, smart detection terminals, and explosion-proof gas detectors.
Within medium and high-pressure commercial, municipal, and industrial gas distribution pipelines, the 2-inch configuration represents one of the most vital sizing classes. As gas valve manufacturers, we engineer these units specifically to handle substantial volumetric flow rates while maintaining rapid emergency shut-off capabilities.
These 2-inch gas valves serve as the crucial line of defense in chemical production plants, commercial boiler facilities, and municipal utility networks. Unlike residential-grade shut-offs, industrial 2-inch gas solenoid valves must withstand severe pressures, corrosive natural gases, and harsh environmental variables without losing mechanical or seal integrity.
At the DN50 size threshold, gas pipelines shift from local branch distribution to main service headers. This requires robust construction, low pressure drops, and instant response mechanisms to mitigate hazards. Our gas solenoid valves incorporate fast-closing solenoid systems that act within milliseconds of receiving an emergency signal.
Founded in 2003, Xinhaosi is one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have steadily built a robust and comprehensive production and service system, which integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, professional after-sales support with an experienced technician team, flexible OEM/ODM services, as well as CNAS-Accredited laboratory calibration services that meet international standards.
Our diversified product portfolio covers industrial & residential gas detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems—all engineered to adapt to complex working environments and strict safety requirements. We produce and sell tens of millions of units annually, catering to a wide range of industries that demand reliable gas detection solutions, including oil & gas exploration and production, petrochemicals, urban gas distribution, automotive manufacturing, pharmaceuticals, new energy, steel production, and beverage processing.
Guided by the core mission of “Making Gas Safety Accessible Everywhere,” we consistently deliver high-performance, reliable products and customized solutions tailored to each client’s unique needs. Every item we manufacture undergoes rigorous quality control tests, and every service we provide is backed by our professional technical team, fully embodying our unwavering commitment to safeguarding gas safety across both industrial workplaces and residential environments, and striving to build a safer world with sustainable gas safety technologies.
Adhering to ISO9001 quality management system standards, Xinhaosi's core products have obtained a full range of authoritative certifications, including national compulsory Products Certification, explosion-proof certification, fire product certification, CPA measurement instrument type approval certificate, and international approvals as CE, SIL. Additionally, Xinhaosi holds honors such as "National Quality Integrity Benchmark Enterprise", "National Quality Leading Enterprise in the Gas Alarm Industry," member of the China Fire Protection Association, and the main drafting organization for the national standard of solenoid valves, further confirming its industry influence and reputation.
In the field of intellectual property, Xinhaosi has built a robust innovation system with over 50 patents and software copyrights. These patents cover core technological areas, including a graphical monitoring system for gas detection and alarm, which enables predictive maintenance based on historical data to reduce equipment failure rates by over 30%, and a solenoid valve with flow monitoring functionality that integrates flow detection and alarm capabilities. The company also pioneered China's first networked bus-type gas leakage monitoring system and the only maximum-point gas leakage monitoring system certified by the Ministry of Public Security, demonstrating its leading position in cutting-edge technological research.
Our in-house laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS), recognized both domestically and internationally under the ILAC-MRA framework. It operates in accordance with ISO/IEC 17025, the international standard for testing and calibration laboratories. It provides reliable and traceable testing services for gas detection and alarm products, solenoid valves, and related safety equipment. Test reports issued by the CNAS-accredited laboratory are widely accepted by regulatory authorities, certification bodies, and customers in China and overseas, helping to ensure product quality, safety compliance, and market access.
Why global procurers, industrial plants, and safety system distributors choose Xinhaosi as their priority manufacturer partner.
From die-casting and machining of 2-inch aluminum and brass valve bodies to high-speed winding of solenoid coils and SMT circuit board manufacturing, our facilities manage every production tier. This prevents supply chain disruptions and secures consistent component quality.
Our Deyang and Chengdu smart factories implement automated assembly lanes, computer-controlled welding machines, and advanced helium leak detection instruments, guaranteeing 100% safety checks before dispatch.
Every batch of 2-inch gas valves and integrated monitoring controls undergoes thorough pressure burst, aging, and functional cycle runs in our CNAS laboratory, satisfying CE, SIL, and national standards.
How our 2-inch gas valves and intelligent safety networks operate in challenging real-world industrial and commercial operations.
In municipal boiler rooms, 2-inch high-performance solenoid valves regulate fuel delivery pipelines. Linked directly with our wireless terminal sensors, these valves cut fuel flows within 1 second of registering gas leaks or pressure drops, preventing explosion risks.
Refineries and oil depots utilize our robust explosion-proof gas detectors alongside heavy-duty 2-inch gas valves to monitor storage tanks. Our SIL-certified designs ensure high reliability, preventing catastrophic leaks in high-temp and corrosive environments.
By pairing 2-inch gas solenoid valves with IoT controllers, utility companies remotely track urban pipelines. The smart systems gather operational metrics, run analytics, and alert engineers of anomalies, minimizing city-wide pipeline risks.
Driving next-generation development in gas safety through automated flow monitoring and AI integration.
Get answers to critical technical questions regarding the installation, certification, and operational safety of 2-inch gas valves.
Ensure complete system integration with our explosion-proof alarms, interlock control boxes, and precision smart pressure monitors.
