Direct OEM supply chain integrations and high-precision monitoring devices from our ISO9001 and CNAS accredited facilities.
An in-depth whitepaper overview of electromagnetic control, material selection, and modern safety integration requirements.
Liquefied Petroleum Gas (LPG) consists primarily of propane and butane, gases that are kept liquid under pressure but vaporize at ambient limits. Controlling these elements requires a robust shut-off solution. In commercial and industrial pipelines, an LP Gas Solenoid Valve serves as the critical safety gatekeeper.
These valves typically operate on a normally open (NO) configuration. In standard operations, the valve remains open without consuming power, allowing optimal flow rates. Upon receiving an electrical signal pulse from linked combustible gas detectors, an internal electromagnetic coil energizes, releasing a latched mechanical spring. The plunger drops instantly, blocking the passage in under 1 second.
Discover the engineering, economic, and logistical reasons behind global supply chain sourcing from Chengdu and Deyang bases.
Chinese factories are situated within highly specialized regional industrial hubs. Our Chengdu and Deyang operations enjoy immediate, local access to high-purity aluminum alloys, precision-wound copper coils, and certified explosion-proof casings. This drastically reduces production lead times and overhead transport costs, passing the savings to global buyers.
Our in-house, CNAS-accredited laboratory operates under strict ISO/IEC 17025 testing parameters. This capability means we can perform real-time verification of custom OEM pressure specifications, chemical compatibility of seals (e.g., Viton vs. NBR), and electronic duty cycles, streamlining the compliance process for foreign import requirements.
By leveraging automated CNC machining centers and high-speed coil winding systems, Xinhaosi ensures uniformity across millions of units annually. This digital manufacturing approach minimizes human error, resulting in an equipment failure rate drop of over 30% compared to traditional non-automated factories.
A statistical snapshot of our industrial capacity, technological assets, and global safety presence.
Pioneering robust safety solutions through state-of-the-art production bases in Chengdu and Deyang.
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.
A legacy of innovation, scale expansion, and digital safety breakthroughs from 2003 into the future.
Established on April 17th, 2003. Xinhaosi launched its 1st generation of gas leak alarms and fire fighting support products, laying the groundwork for our specialized safety engineering.
Started gas safety valve production and heavily expanded our OEM division. Moved the administrative headquarters to the office building in Longtan Industrial Park to handle growing demand.
Achieved 10 million units in gas detector sales. Moved into the Chengdu factory building and completed a comprehensive sales and support network across China. Launched advanced fire power monitoring systems.
Launched our self-developed IoT safety platform. Rolled out fire automatic alarms, emergency lighting, and evacuation systems. Obtained high-tech enterprise certification, and became a qualified supplier for China's top 5 gas groups.
Began construction of the Deyang manufacturing facility. Formed the Petrochemical & International Business Division to directly handle export operations. Awarded the title of Sichuan Provincial Technology Center.
Deyang factory construction completed and operations started. Launched urban gas pipeline network monitoring systems, wireless detection products, and AI-enabled safety shut-off valves.
How Xinhaosi OEM LP Gas Solenoids integrate into residential, commercial, and industrial gas infrastructures.
For modern smart homes, residential gas detectors connect directly to low-voltage (DC 9V-12V) pulse-type solenoid valves. In the event of a propane or butane leak, the detector sends a millisecond electrical trigger to close the valve instantly, cutting off the gas supply before the mixture reaches explosive limits.
Multi-unit restaurants and school cafeterias use larger flange-connected solenoid valves (DN50 to DN100). These systems are designed to tie into fire control alarm panels and emergency manual pull stations, satisfying NFPA safety standards and local building codes.
Heavy industrial processes demand explosion-proof solenoid valves (Ex d IIC T6). Operating at pressures up to 6 bars, these cast-steel valves handle raw liquefied petroleum gases under harsh ambient temperature swings, offering SIL2 level safety integrity.
Addressing the technical, material, and regulatory inquiries commonly raised by global procurement departments.
Complete your facility's safety layout with our field-tested, multi-sensor alarm systems and power management controllers.
