High-Quality Gas Safety Shut Off Manufacturer & Factories

Precision-Engineered Solenoid Valves, Gas Controllers, and Advanced Detectors for Industrial, Commercial, and Smart Urban Utilities

Xinhaosi Advanced Detection Technology

X Represents the Unknown Risks, X Represents the Next-Gen Safety Technology

Founded in 2003, Xinhaosi is one of the most influential and reliable brands in the gas safety industry. We utilize advanced electronic detection technology to make unknown gas leak risks clear and visible, eliminating potential hazards before they escalate into catastrophes.

We provide customer-focused products and services to safeguard the safe operation of every factory, the comfort of every city, and the peace and happiness of every home. Powered by cutting‑edge production systems and technology, we deliver more advanced, intuitive, and precise gas safety solutions for shaping a safer future world.

Our comprehensive framework encompasses the entire life-cycle of gas safety: from the initial detection of volatile organic compounds (VOCs) and combustible mixtures to automated shutdown sequences handled by ultra-fast solenoid shut-off valves. By bridging the gap between hardware sensors and remote cloud management gateways, Xinhaosi ensures continuous operations even in the most hazard-prone environments.

End to End Solutions for Total Safety

Empowered by technology, full-chain integration, and comprehensive protection, we shape the future of safety with intelligent engineering.

Industrial Gas & Flame

Detection Systems built for high-demand environments. Combining single UV and dual IR-UV optical flame sensing with precision gas chromatography, designed to endure extreme temperatures and explosive atmospheres.

Household & Commercial

Next-gen residential detectors designed to intercept municipal gas leaks early. Highly reliable smart alerts and visual alarms paired directly with domestic automatic shut-off systems.

Gas Solenoid Valves

Normally-closed and emergency-trip safety shut-off valves. Engineered to stop gas flows at the source within milliseconds of alarm activation, preventing pipeline propagation of fires.

Urban Gas & Monitoring

Connected terminal hardware and secure RTU gateways that transmit pipeline pressure, flow rate, and trace-leak analytics over LoRaWAN and 5G networks to municipal command centers.

Explore Detailed Engineering Solutions

The Imperative of Automatic Gas Safety Shut Off Systems

Industrial operations handling volatile hydrocarbons face the constant challenge of containment. In processes involving methane, propane, natural gas, or toxic VOCs, a secondary line of defense is necessary. An automated Gas Safety Shut Off Valve serves as this critical safety barrier. It prevents accumulation, fire propagation, and explosive concentrations from reaching lower explosive limits (LEL).

Traditional manually operated valves are inadequate for rapid containment. Modern industrial systems demand automated, fail-safe mechanisms capable of reacting in milliseconds. Our solenoid-driven shut-off valves feature emergency trip capabilities. They close instantly when power is cut or when triggered by external gas controllers, ensuring fail-safe containment.

By pairing gas detection networks with immediate solenoid actuation, facilities establish an active risk-mitigation loop. Xinhaosi designs and manufactures both ends of this loop: explosion-proof detectors that identify ppm-level leaks, and high-pressure solenoid valves that shut off gas lines before the gas can ignite.

Key Architectural Advantages

  • Fail-Safe Architecture: Normally-closed designs rely on constant electrical hold; a power failure or system trip instantly drops the valve shut.
  • Explosion-Proof Ratings: Detectors and solenoid coils are encapsulated inside flameproof (Ex d) cast alloys to prevent internal sparks from igniting external atmospheres.
  • Multi-Sensor Fusion: Controllers process inputs from optical flame detectors, electrochemical toxic sensors, and catalytic combustible sensors simultaneously.
  • Smart Network Integration: Industrial data gateways translate Modbus RTU telemetry into cloud-based dashboards for predictive valve maintenance.

20+

Years of Engineering Heritage

< 1s

Emergency Shut-Off Response Time

100%

Pressure & Seal Tested Valves

50+

Countries Supplied Globally

Technology Roadmap & Future Outlook

Our long-term development roadmap focuses on the integration of wireless communication, digital telemetry, and predictive health monitoring. Key milestones include:

1. Next-Gen Hydrogen (H2) Safety: Developing elastomer seals and alloys optimized for hydrogen-blended natural gas lines, preventing embrittlement and micro-leaks.

2. Edge AI Diagnostic Valves: Integrating pressure-differential sensors and magnetic encoders into the valve body to predict valve degradation prior to failure.

3. Low-Power LoRaWAN Integrations: Transitioning wireless monitoring nodes to low-power protocols, enabling 10-year battery life in remote pipeline stations.

China Supply Chain Resilience & Efficiency Advantages

Operating out of Western China's industrial manufacturing hubs, Xinhaosi leverages a highly integrated component supply chain. Our facilities combine precise machining, raw casting, electronics assembly, and safety-compliance testing under one roof.

This localized supply ecosystem minimizes logistics bottlenecks, permitting rapid scaling from custom OEM prototype design to high-volume factory production. Our automated machining centers ensure tight tolerances on valve seats and solenoid plungers, resulting in zero-leak seals and reliable lifecycle operation.

By managing our raw materials, casting processes, electrical component insertion, and automated calibration in-house, we reduce overhead and control production quality. This enables us to offer competitive pricing without sacrificing compliance with international standards.

Localized Applications & Compliance Standards

From deep sub-zero gas distribution lines to corrosive offshore petrochemical plants, our systems are built for diverse operating environments.

Industrial Petrochemical & Refineries

Refinery environments require heavy-duty explosion-proof protection. Our GTYQ-XP4000B detectors and industrial gas solenoid valves are certified for Class I, Division 1 & 2 explosive atmospheres, preventing combustion in high-risk zones.

Compliance: ATEX / IECEx Ex d IIC T6

Smart Municipal Utility Infrastructure

Urban gas networks require remote flow control and pressure monitoring. Our FDG-X304SE Intelligent Data Gateways collect real-time data from pipeline shut-off valves, transmitting status updates directly to central SCADA systems.

Compliance: EN 50291 / LoRaWAN Certified

Commercial Kitchens & HVAC Safety

In commercial food service, gas valves must interface with building fire alarms and exhaust hoods. The CT-XF5 solenoid valve shut-off triggers automatically when fire suppression systems deploy, protecting commercial spaces.

Compliance: CE / ISO 9001:2015

Technical FAQ & Engineering Resources

Find answers to common technical, design, and regulatory compliance questions regarding our gas safety shut-off systems.

What is the response time of your emergency shut-off valves?

Our solenoid-activated safety shut-off valves (such as the CT-XF5 and XF2 series) are engineered for quick actuation, closing in under 1 second. When triggered by a gas detector controller, the solenoid coil de-energizes instantly, allowing the internal spring to shut the valve and seal the flow path.

What is the difference between Single UV and Dual IR-UV Flame Detectors?

Single UV detectors monitor the ultraviolet spectrum of flame emissions, offering high speed but a susceptibility to false alarms from welding sparks or lightning. Dual IR-UV flame detectors (such as the IFD2020) monitor both ultraviolet and infrared wavelengths, requiring matching signals in both spectra before triggering an alarm. This reduces false alarms in heavy industrial applications.

Are your gas detectors compatible with third-party PLC and SCADA networks?

Yes. Our industrial controllers (such as the JB-TB-AT2020DX and JB-TB-AT2020LH) and explosion-proof detectors support standard 4-20mA analog current loops and RS485 Modbus RTU digital interfaces. This allows direct integration into existing plant PLCs, SCADA hosts, and distributed control systems (DCS).

How do you test and calibrate your explosion-proof detectors?

Every detector is factory-calibrated with certified reference gases under controlled temperature and humidity conditions. We perform zero-point and span-point calibrations using automatic testing chambers, ensuring stability, repeatability, and response times that comply with international safety standards.

News & Industry Updates

Stay tuned for the latest updates from Xinhaosi & the Gas Safety Industry.

Xinhaosi Launches New Handheld Uncooled Infrared Gas Leak Detector
May 09, 2026

Xinhaosi Launches New Handheld Uncooled...

Xinhaosi Electronic Detection Technology Co., Ltd. officially 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 and efficiency in petrochemical, refrigeration, natural gas and industrial safety scenarios.

XINHAOSI Participates in the 5th Western China Cross-Border E-Commerce Expo
May 08, 2026

XINHAOSI Participates in the 5th West...

XINHAOSI recently participated in the 5th Western China Cross-Border E-Commerce Expo held in Chengdu. The event brought together cross-border e-commerce platforms, global buyers, manufacturers, and supply chain companies, creating new opportunities for international business cooperation and overseas market development.

XINHAOSI Participates in 2026 Sichuan Indonesia Industry Matchmaking Conference
May 08, 2026

XINHAOSI Participates in 2026 Sichuan...

XINHAOSI recently participated in the 2026 Sichuan (Chengdu) – Indonesia Industry Matchmaking Conference held in Chengdu. The event gathered enterprises and industry representatives from China and Indonesia to strengthen industrial cooperation and explore new business opportunities in Southeast Asia.

Our Trusted Global Partners

We work closely with leading utilities, energy providers, and industrial automation firms globally to maintain safety compliance.