Explore our state-of-the-art gas safety monitoring, pressure transmitter, and automatic shutdown solenoid valve series.
In modern chemical process engineering, industrial thermal management, and metropolitan municipal infrastructure, gas supply lines represent both key utility vectors and core safety vulnerabilities. A safety solenoid valve functions as the critical ultimate safeguard, designed to execute an instantaneous, hermetic shut-off of combustible gas streams when abnormal pressure fluctuations, fire hazards, or toxic concentrations are detected. Because safety solenoids must operate reliably under challenging environmental stresses—ranging from cryogenic fluctuations to highly corrosive chemical vapors—global engineering teams prioritize suppliers who can deliver validated engineering accuracy, international certification standards, and optimized flow-control designs.
A true safety solenoid goes beyond basic fluid control; it must incorporate fail-safe kinematics. This commonly entails a "normally closed" configuration where the valve relies on mechanical spring tension to maintain a tight seal, opening only when electrical current energizes the solenoid coil. Should power fail, or should control signals drop out during an emergency event, the valve automatically returns to its closed, safe position within milliseconds, stopping the gas stream.
As search paradigms transition from keyword matching to entity-based Semantic Search, global buyers demand technical transparency. Finding an OEM Safety Solenoid Manufacturer requires evaluating detailed metrics: coil insulation ratings (e.g., Class H insulation), valve body metallurgy (ranging from forged brass to 316L stainless steel), diagnostic capabilities, and mean time between failures (MTBF). Xinhaosi answers this demand by manufacturing components engineered for the most rigorous global specifications, ensuring that every integration satisfies strict occupational safety mandates.
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 system that integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, and professional after-sales support with an experienced technician team. Our operations feature flexible OEM/ODM capabilities, and our CNAS-Accredited laboratory provides calibration services that comply with 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. Each component is engineered to operate reliably in complex working environments and under strict safety regulations. We produce and sell tens of millions of units annually, catering to industries demanding high-performance gas safety solutions, including oil & gas exploration, petrochemical processing, 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. Every item we manufacture undergoes rigorous quality control tests, backed by our professional technical team, fully embodying our commitment to safeguarding gas safety across industrial and residential environments.
Chengdu Production Facility & Corporate Headquarters
Deyang Advanced Manufacturing Plant
Adhering strictly to ISO9001 quality management system standards, Xinhaosi’s core products have obtained a comprehensive range of authoritative certifications. These include national compulsory Product Certification (CCC), explosion-proof certification, fire product certification, CPA measurement instrument type approval certificates, and international approvals such as CE and SIL. These designations reflect our status as a "National Quality Integrity Benchmark Enterprise" and a "National Quality Leading Enterprise in the Gas Alarm Industry," along with our membership in the China Fire Protection Association and role as the main drafting organization for the national standard of solenoid valves.
In the field of intellectual property, Xinhaosi maintains an innovation system with over 50 patents and software copyrights. These cover core technologies, including graphical monitoring systems for gas detection that enable predictive maintenance to reduce equipment failure rates by over 30%, and solenoid valves with integrated flow detection and alarm capabilities. The company also pioneered China’s first networked bus-type gas leakage monitoring system, demonstrating its leadership in cutting-edge safety research.
Our in-house laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS) and recognized internationally under the ILAC-MRA framework. Operating in accordance with ISO/IEC 17025, it provides traceable testing for gas detection systems and safety valves. Test reports issued by the lab are widely accepted by regulatory authorities and global customers, supporting smooth market access.
Why international procurement managers partner with Chinese safety valve manufacturers for long-term industrial projects.
From raw material selection and valve body precision casting to copper solenoid coil winding, heat treatment, and CNAS laboratory validation, we manage every production phase to reduce delivery times and minimize supply chain variables.
Our Chengdu and Deyang facilities utilize automated assembly lines, high-precision CNC equipment, and computerized leak-detection test benches, ensuring consistent product quality with dimensional tolerances within micrometers.
Our products hold international certifications including CE and SIL 2/3. Designed to meet explosion-proof and ATEX guidelines, our valves operate safely in hazardous locations, facilitating compliance in global markets.
Providing technical engineering and rapid integration support across diverse industrial sectors.
In refinery processes, safety solenoids are paired with explosion-proof gas detectors to isolate process streams instantly. In the event of a hydrocarbons leak, our valves shut down gas flow to protect personnel and infrastructure.
For city distribution systems, our solenoid valves integrate with pressure monitoring networks, operating with low-power consumption triggers to manage safety controls across long distances and variable outdoor environments.
Integrated with automatic burner control systems, our valves provide fast shut-off capabilities for commercial furnaces and boilers, stopping fuel supply in milliseconds if a flameout or pressure drop is detected.
Over two decades of dedication to engineering precision, technological innovation, and gas safety leadership.
● Established on April 17, 2003.
● Launched the 1st generation of gas leak alarm and fire fighting products, establishing foundational quality standards.
● Started gas safety valve production.
● Expanded our OEM business globally.
● Relocated corporate offices to the Longtan Industrial Park to accommodate operational growth.
● Achieved total sales of 10 million gas detectors.
● Relocated production to our new Chengdu factory.
● Completed a comprehensive sales and support network across China.
● Launched fire power monitoring systems.
● Launched our proprietary IoT safety platform.
● Introduced automatic alarm, emergency lighting, and evacuation systems.
● Awarded the High-Tech Enterprise Certificate.
● Qualified as an official supplier to China's top 5 gas groups.
● Commenced construction of our Deyang advanced factory.
● Formed the specialized Petrochemical & International Business Division.
● Awarded the title of Sichuan Provincial Technology Center.
● Deyang factory completed and fully operational.
● Launched urban gas pipeline network monitoring systems.
● Introduced wireless safety detection and AI-enabled solenoid valves.
Technical explanations and operational guidelines for safety valve selection and integration.
Safety solenoid valves are designed for high reliability and emergency shut-off applications, whereas standard process control valves prioritize flow regulation and modulation. A safety valve is typically a fast-acting, "normally closed" device that shuts off fuel supply in milliseconds when de-energized. Additionally, they must meet explosion-proof (Ex d IIC T6) and fire-safe standards, ensuring operation during system emergencies.
Safety Integrity Level (SIL) certification, under IEC 61508, quantifies a safety component's probability of failure on demand (PFD). SIL-2 certification indicates the valve is designed to lower system risk significantly, making it suitable for hazardous petrochemical, metallurgical, and power generation environments where equipment failure could lead to severe consequences.
We use high-grade fluorocarbon (FKM) and nitrile rubber (NBR) elastomers specifically chosen for compatibility with natural gas, LPG, and petrochemical vapors. Valve bodies undergo precision CNC machining to verify seat alignment, followed by pressurized bubble-tight and helium leak testing in our CNAS laboratory to verify compliance with EN 161 gas valve sealing standards.
Yes. Xinhaosi’s latest generation of safety solenoid valves features flow monitoring and integrated diagnostic sensors. These sensors connect directly to industrial IoT gateways via RS485 Modbus or wireless protocols, allowing operators to monitor valve status, trace flow rates, and receive early alerts for predictive maintenance.
We offer full OEM and ODM customization services, including custom valve body dimensions, thread and flange standards (ANSI, DN, BSPT, NPT), specialized coil voltages (DC12V, DC24V, AC110V, AC220V), and materials designed for corrosive environments. Our technical team works alongside clients to design, prototype, and certify custom configurations.
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