Premium OEM solutions engineered for reliable hazard detection, control, and containment








Founded in 2003, Xinhaosi has established itself as one of the most influential and reliable brands in the global gas safety industry. We provide customer-focused products and engineering-grade services to safeguard the operations of every factory, the infrastructure of every smart city, and the peace of mind of every home.
Powered by cutting‑edge production systems and sophisticated electronic detection technologies, we make unknown gas leak risks completely visible and manageable. We are committed to developing next-generation gas safety systems, ensuring that high-performance containment devices are deployed dynamically at every vital junction of your pipeline networks.
Decades of field experience and proprietary safety innovations summarized in numbers
A deep look into our technical standards, structural architecture, and physical deployment parameters
In modern industrial, commercial, and residential energy installations, the Natural Gas Safety Shut Off Valve (often categorized as an Emergency Shut-Off Valve or ESOV) serves as the primary barrier against catastrophic line pressure surges, downstream system ruptures, and toxic or explosive gas leaks. As a tier-1 OEM manufacturer, Xinhaosi engineers these critical safety elements to interface seamlessly with remote detection panels and local logic controllers.
By using direct-acting solenoid mechanisms, automated electro-mechanical triggers, or pneumatic springs, our safety valves perform instantaneous closure operations. These designs prevent gas propagation from the main distribution lines directly to the combustion source, ensuring standard-compliant safety controls in environments ranging from residential furnace loops to heavy-duty industrial boilers.
Our solenoid-driven shut-off systems (such as the KT-XF5 and XF2 series) operate on electromagnetic induction principles. Designed as Normally Open (NO) or Normally Closed (NC) configurations, they receive electrical pulses from gas monitoring controllers to initiate immediate mechanical closure. The automatic reset mechanisms are fully protected against unauthorized tampering.
Featuring precision-engineered NBR or FKM rubber seating rings coupled with high-strength aluminum alloy or brass castings, our valves guarantee a zero-leakage seal conforming to EN 161 Class A standards. This ensures high durability even under chemical exposure and micro-vibrations in industrial plants.
Deployments in hazardous petrochemical areas require strict explosion safety profiles. Our valves and detector controller packages feature Ex d IIC T6 Gb explosive-gas atmosphere ratings, encapsulated coils, and IP65/IP67 ingress ratings. They resist severe outdoor weather, internal moisture buildup, and external sparks.
Strategic engineering shifts heading toward hydrogen integration, telemetry, and self-diagnostic loops
As the global energy sector migrates toward carbon-neutral hydrogen-blended natural gas distribution networks, we are adapting our metal alloys and seal formulations. Our engineering team is testing seals resistant to hydrogen embrittlement, ensuring that future OEM gas safety valves run reliably with up to 30% H₂ mix concentrations without degraded performance.
The integration of smart data gateways (such as our FDG-X304) with smart wireless pressure monitors marks a shift from reactive to proactive maintenance. Future shut-off valve assemblies will incorporate low-power sensors capable of transmitting real-time micro-leak data, pressure drop variations, coil temperature profiles, and cycling speed directly to plant SCADA systems.
To eliminate stiction—a common failure mode where valves get stuck due to prolonged dormancy—our advanced control systems are being updated with automated self-testing features. These systems will periodically pulse the solenoid coil, initiating a fractional, sub-millimeter stroke that verifies mechanical path clearance without interrupting primary gas supply.
Strategic Target: Xinhaosi plans to achieve 100% cloud-integrable safety protocols across all OEM residential and industrial device families by 2028. This will allow municipalities and utility providers to shut off gas grids block-by-block during natural disasters or major pipeline ruptures.
Comprehensive protection architectures designed to secure properties from source to consumption
Inside Xinhaosi's smart manufacturing plant: High-volume output, strict quality control, and reliable delivery
Our manufacturing plant uses robotic assembly stations, automated CNC machining centers, and SMT lines for PCBs. This high level of automation keeps product dimensions consistent, minimizes human error, and allows us to scale production efficiently to meet large OEM contract demands.
Every single shut-off valve undergoes comprehensive testing before leaving our facility. We perform bubble-tight pneumatic pressure testing, high-voltage coil insulation tests, magnetic flux consistency evaluations, and response time checks. These verification protocols ensure that our valves operate reliably from their first activation.
By sourcing high-grade raw metals and electronic components from a vetted network of regional suppliers, we maintain stable production schedules. Our optimized inventory and logistics integrations allow us to bypass transport delays, offering consistent delivery lead times to global buyers.
Meeting the procurement needs and compliance requirements of international engineering firms
Global procurement teams must balance unit costs with regulatory compliance. Xinhaosi simplifies this selection process by aligning with international safety codes and offering custom configurations to meet specific target market requirements.
We design our safety shut-off systems to comply with leading global standards, including ATEX/IECEx for explosive atmospheres, CE markings for European markets, and UL/FM-style test procedures. This documentation simplifies the system approval process for international engineering, procurement, and construction (EPC) companies.
We provide extensive design-in support for custom requirements. Whether you require specific thread standards (BSP, NPT, or flanged connections), special voltage coils (12VDC, 24VDC, 110VAC, or 220VAC), or customized valve bodies to fit within tight spaces, our engineering department can develop a suitable solution.
To support your field installations, we provide comprehensive documentation, including detailed 3D CAD files, electrical schematics, installation guides, and maintenance manuals. We work alongside a network of international distribution partners to ensure prompt delivery of replacement parts and on-site technical assistance.
Answering common engineering, installation, and procurement questions about our safety valves
We work closely with global energy distributors, petrochemical groups, and engineering partners
























Stay informed on our latest product launches, corporate developments, and trade exhibitions
Xinhaosi Electronic Detection Technology Co., Ltd. has launched its new Handheld Uncooled Infrared Gas Leak Detector, featuring dual-technology fusion, ultra-fast response, and long-distance non-contact detection to enhance safety in petrochemical, refrigeration, and industrial gas environments.
XINHAOSI participated in the 5th Western China Cross-Border E-Commerce Expo held in Chengdu, connecting with global buyers, manufacturers, and supply chain partners to support our international growth.
XINHAOSI participated in the 2026 Sichuan (Chengdu) – Indonesia Industry Matchmaking Conference in Chengdu, collaborating with regional partners to explore industrial opportunities across Southeast Asia.
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