Direct factory-sourced commercial gas safety nodes, bus-type residential detectors, and interlock controllers with global distribution capabilities.
In modern industrial facilities, municipal utilities, and complex infrastructure operations, flow control is no longer merely a process requirement; it is the ultimate line of defense against catastrophic hazards. The designation Shut Off Valve 2 denotes high-reliability safety-shutoff solenoids designed to respond seamlessly with smart detectors. Unlike standard pressure valves, these units utilize rapid electrical triggers and physical manual reset mechanism locks to ensure absolute positive seal validation.
As standard-setting manufacturers, we approach the development of shut off valves with complete integration in mind. Our system-level design ensures that when a gas detector (such as the JB-TB-AT2020SEL Controller or the GTYQ-AT0503 Explosion Proof Detector) senses combustible concentrations exceeding safe operational parameters, an instant low-voltage current pulse is dispatched to the valve. In less than one second, the electromagnetic latching system releases, forcing the internal sealing pad shut via heavy-duty spring load, completely isolating the media supply upstream.
Analyzing global policy alignment, compliance mandates, and the shift from reactive to proactive pipeline monitoring.
Worldwide EN 161, UL 429, and local fire safety codes mandate automatic interlocked shut-off systems in public, multi-family, and key commercial process facilities.
Integrating shut-off protocols into broader SCADA networks. Municipalities now require real-time pressure, flow, and latching status feedback at central dispatch consoles.
Industrial environments demand ATEX and SIL certified hardware. Shut-off actuators must function without becoming ignition sources themselves in Zone 1 / Zone 2 hazard levels.
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.
Chengdu Factory & Office
Deyang Factory
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.
Over two decades of persistent growth, transforming from an innovative start-up into a global gas safety benchmark enterprise.
How our integrated Shut Off Valve 2 configurations mitigate risks across diverse operational scale dynamics.
Providing zero-leakage security architectures for high-load pipelines, incorporating low-voltage control boxes and intelligent gateways to protect multi-tenant infrastructure.
Explosion-proof XM314 detectors paired with DN150 heavy-duty shut-off solenoid valves to withstand corrosive environments, providing fast local response loops independent of DCS networks.
Standardized JT-AT2004B and JT-AT2005 series household detectors connected via bus protocol directly to low-voltage shut off valves, enabling autonomous shut-off during structural power outages.
Our solutions target zero-latency risk reduction. Modern architectures utilize networked bus-type monitoring systems which continuously poll detection nodes. When emergency values are identified, the system responds programmatically. By isolating localized pipeline clusters, we contain risk immediately without triggering costly plant-wide shutdowns. This selective shutdown capability is crucial for large-scale operations in automotive manufacturing, pharmaceuticals, and metallurgical plants, where complete flow failure incurs severe economic overhead.
Leading the transition toward self-diagnostic shut-off technology, Edge IoT processing, and green energy compatibility.
Traditional solenoid valves remain static until activated, making hidden mechanical issues difficult to detect without physical testing. Our technical roadmap introduces active sensor integration directly into the valve stem structure. By measuring electromagnetic coil temperature profiles, return travel friction, and valve body pressure, the system can predict mechanical wear and schedule maintenance proactively.
This development is backed by our CNAS-accredited laboratory, where we perform extensive testing under temperature extremes, vibration, and continuous cycle stresses. This research has allowed us to reduce field failures by up to 30%.
As industries shift toward green energy, safety devices must adapt to process lighter, highly volatile media, including natural gas-hydrogen blends and pure hydrogen (H2). Hydrogen's small molecular structure increases leak risks and demands broader explosion-proof safety classifications. Our ongoing engineering program focuses on validating sealing compounds, specialized alloys, and valve designs to ensure reliable performance with hydrogen blends, preventing embrittlement and maintaining secure containment.
Adapting high-reliability safety equipment to local regulatory standards and environmental challenges.
Providing customized coils for different regional requirements (including 220VAC, 110VAC, 24VDC, and low-voltage pulse inputs) to ensure compatibility with local control systems and emergency backups.
Our products carry certifications such as CE, SIL, explosion-proof ratings, and CPA approvals, making them ready for international markets and strict local inspections.
Providing custom physical sizes, specialized connection threads (including NPT, G-thread, and flanged connections), and branded enclosures to meet specific client requirements.
Expert technical insights regarding safety solenoid operation, diagnostic practices, and system integration.
Explosion-proof VOC transmitters, gateway devices, and high-performance safety controllers for demanding industrial layouts.
