Explore our premium grade residential and industrial gas safety products engineered for reliable operations and extreme safety standards.
Chengdu R&D Hub & Office
Deyang Smart Manufacturing Plant
Founded in 2003, Xinhaosi has established itself as one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have built a robust and comprehensive production and service ecosystem. This integrated network unites cutting-edge research and development, smart manufacturing facilitated by advanced automated machinery, global digital marketing channels, highly skilled technical maintenance teams, and versatile OEM/ODM manufacturing capability. Additionally, we provide calibration services via our CNAS-Accredited laboratory, conforming precisely to stringent international testing standards.
Our diversified product portfolio covers residential & industrial gas leak detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems. Each component is engineered to operate reliably in highly complex industrial environments and under rigorous safety specifications. Producing and distributing tens of millions of units annually, we serve critical global industries, including oil & gas exploration, petrochemical refining, municipal gas distribution, automotive production, pharmaceuticals, new energy, metallurgical steel manufacturing, and large-scale beverage processing.
Guided by our core mission, "Making Gas Safety Accessible Everywhere," we deliver high-performance safety devices and tailored engineering solutions to match each client's specific process conditions. Every safety valve and detector undergoes precise quality calibration, backed by our professional technical service teams. This dedication reflects our commitment to preserving human safety and operational integrity across both industrial and residential settings through sustainable and advanced gas safety technologies.
In modern industrial and residential infrastructure, natural gas is a cornerstone energy source. However, its volatile nature requires robust, failure-proof control mechanisms. Combustible gases, primarily methane, present significant hazards if unregulated. A minute leak can quickly reach the Lower Explosive Limit (LEL) of 5% volume in air, turning a facility into a high-risk zone. Industrial gas safety solenoid valves act as the primary safety barrier in these environments, offering instant flow isolation during emergency conditions.
Unlike standard process control valves, gas safety shut-off solenoid valves are engineered for rapid response times, absolute bubble-tight shut-off, and high cycles without mechanical fatigue. They are designed to interface directly with gas detectors and emergency shutdown (ESD) networks. When a gas leak is detected, the safety valve must close immediately to isolate the fuel supply, preventing fire and explosion hazards.
"Safety valves represent the definitive boundary between controlled combustion and catastrophic failure. True system integrity relies on integrating high-performance sensing with immediate mechanical actuation."
Global procurement teams in the petrochemical, utility, and heavy manufacturing sectors are shifting from regional sourcing to centralized, quality-certified supply chains. Procurement metrics now focus on three key areas: functional safety integration, regulatory compliance, and total cost of ownership (TCO).
Adhering strictly to ISO9001 quality management system protocols, Xinhaosi's core products have earned comprehensive safety and metrological certifications. These include national compulsory Product Certification (CCC), explosion-proof certifications, fire product approvals, and the CPA measurement instrument type approval certificate. For export compliance, our solutions hold international credentials such as CE and SIL safety loop certifications. Our industry standing is recognized by honors including "National Quality Integrity Benchmark Enterprise" and "National Quality Leading Enterprise in the Gas Alarm Industry." Xinhaosi is also an active member of the China Fire Protection Association and a lead organization in drafting national standards for gas safety solenoid valves.
Our commitment to innovation is supported by over 50 registered patents and software copyrights. Key innovations include our graphical gas monitoring system, which uses historical telemetry to support predictive maintenance, reducing equipment failure rates by up to 30%. We also engineered a specialized flow-monitoring solenoid valve that combines flow rate detection with automated alarm logic. Xinhaosi pioneered China's first networked bus-type gas leakage monitoring platform and the only maximum-point gas leakage monitoring configuration certified by the Ministry of Public Security, leading the market in gas safety technologies.
Our in-house calibration and testing laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS) under the ILAC-MRA framework, operating in strict accordance with ISO/IEC 17025. This ensures all gas detection and solenoid valve testing reports are recognized globally by regulatory authorities, facilitating international compliance and market access.
Xinhaosi provides gas safety solutions across multiple sectors, configuring control systems to meet specific operational demands. Our technology supports a wide range of industrial applications:
Our explosion-proof detectors and heavy-duty solenoid valves provide reliable operation in corrosive environments. They prevent hazardous vapor buildup in processing units and gas separation plants.
We supply gas monitoring systems that cover thousands of monitoring points in city distribution networks. This allows municipal operators to identify pressure drops and isolate pipeline leaks remotely.
Our household gas leak detectors integrate with automatic shut-off valves. This provides residential buildings and commercial kitchens with instant protection against gas accumulation.
In large industrial facilities, gas storage and supply lines are often spread across wide areas. Relying on local alarms is not sufficient for complete safety. Xinhaosi's IoT-enabled safety network addresses this challenge by connecting wireless detectors and pressure monitors back to a central control room. If a safety valve closes or a detector flags high gas levels, the system sends immediate notifications through SCADA platforms and mobile alerts. This allows utility managers to respond quickly and prevent escalation.
From a focused startup in 2003 to an internationally recognized brand, explore our key milestones in engineering and manufacturing excellence.
In response to changing international energy requirements, Xinhaosi has updated its technical roadmap. We focus on integrating digital technology with traditional mechanical safety systems:
Traditional solenoid valves operate as binary devices: they are either open or closed. If a coil fails or the valve mechanism sticks due to pipeline debris, operators only discover the issue when the valve fails to respond during an emergency. Our next-generation smart valves feature edge computing models that monitor coil temperature, response speed, and vibration. This data allows the system to predict potential issues before they cause a failure, helping operators maintain safety systems more effectively.
The global transition to cleaner energy involves blending hydrogen into natural gas grids. This introduces technical challenges for safety systems, as hydrogen molecules are small enough to pass through standard seals and can cause metal fatigue. Xinhaosi is developing safety valves utilizing specialized steel alloys and engineered polymers designed to prevent leakage in hydrogen-rich gas blends.
Read detailed technical answers to common questions about safety certifications, valve selection, and system integration.
Normally Open (N.O.) valves remain open when de-energized, requiring an electrical pulse to close and shut off the gas flow. Normally Closed (N.C.) valves require constant electrical power to stay open, and will automatically shut off if power is lost. For emergency gas isolation, N.O. valves are often preferred because they do not consume power during normal operations, reducing wear on the solenoids.
CNAS accreditation, under the ILAC-MRA framework, certifies that our testing facility conforms to the international ISO/IEC 17025 standard. This means that all test reports and calibration data issued by our laboratory are recognized globally. This helps ensure compliance with international import regulations and simplifies regional certification processes for our global clients.
SIL certification, under IEC 61508, measures the reliability of a safety device. A SIL 2 certification means the valve is built to meet strict probability limits for failure on demand. This certification is critical for industrial facilities, as it ensures the safety valve will operate reliably when triggered by an emergency signal.
To address hydrogen embrittlement, we select specialized stainless steels and nickel alloys that resist hydrogen penetration. We also utilize advanced sealing elastomers, such as viton compound variants, to maintain a tight seal and prevent micro-leakage in pipelines carrying hydrogen-gas blends.
Integrating detectors with automated valves creates an automated, closed-loop safety system. When a detector identifies gas concentration levels approaching the Lower Explosive Limit (LEL), it instantly sends a signal to close the valve. This automated shut-off isolates the gas leak immediately without requiring manual operator intervention.
Our industrial-grade solenoid valves are engineered for fast actuation, typically closing within 0.5 to 1 second of receiving an electrical shutdown signal. This rapid closing is key to minimizing gas leakage volume during a pipeline rupture or joint failure.
Explore the second half of our range of certified transmitters, industrial safety boxes, and smart flame detection systems.
