High-Quality LPG Leak Detector Supplier & Manufacturer

Precision Gas Safety Infrastructure Engineered for Industrial Resilience & Smarter Cities

Industrial LPG Leak Detection & Shut-off Solutions

Explore our premium range of explosion-proof controllers, monitors, dynamic sensors, and smart shut-off solenoid valves.

High-Quality Explosion Proof Combustible Gas Detector GTYQ-AT0602

High-Quality Explosion Proof Combustible Gas Detector GTYQ-AT0602 - Reliable China Suppliers and Factory Solutions Manufacturers, Factories

View Technical Specs
OEM XP4000P Explosion Proof Oxygen / Toxic / VOC Gas Detector

OEM XP4000P Explosion Proof Oxygen / Toxic / VOC Gas Detector Supplier, Manufacturer

View Technical Specs
OEM FD1020 Dual Infrared Flame Detector

OEM FD1020 Dual Infrared Flame Detector Suppliers, Factories

View Technical Specs
High-Quality China JT-AT3068 Series Household Combustible Gas Detector

High-Quality China JT-AT3068 Series Household Combustible Gas Detector | Reliable Suppliers & Factory for Safety Solutions Supplier, Factory

View Technical Specs
OEM China Suppliers Factory AT0602 Explosion Proof Oxygen Toxic VOC Gas Detector

OEM China Suppliers Factory AT0602 Explosion Proof Oxygen Toxic VOC Gas Detector for Safety Monitoring Factories, Factory

View Technical Specs
High-Quality AT2004BIV-CO Carbon Monoxide Gas Detector

High-Quality AT2004BIV-CO Carbon Monoxide Gas Detector - China Suppliers & Factory for Smart Car Parks Safety Solutions Manufacturers, Factories

View Technical Specs
OEM BJX-24E/BJX-22E Explosion-proof Light and sound alarm

OEM BJX-24E/BJX-22E Explosion-proof Light and sound alarm Suppliers, Factory

View Technical Specs
High-Quality Industrial Gas Solenoid Valve Normally Opened XF3III Series

High-Quality Industrial Gas Solenoid Valve Normally Opened XF3III Series Suppliers, Manufacturer

View Technical Specs

The Global Landscape of Industrial LPG Safety Systems

Liquefied Petroleum Gas (LPG)—consisting primarily of propane and butane isomers—remains a fundamental pillar of global industrial manufacturing, commercial kitchens, and localized urban energy systems. However, its specific physical attributes (such as being heavier than air, with a tendency to accumulate at low-level areas) demand highly advanced detection and shut-off architectures. Without continuous vigilance, minor leaks quickly coalesce into explosive concentrations exceeding the Lower Explosive Limit (LEL).

Across North America, the European Union, and rapidly industrializing regions of Asia-Pacific, safety regulations (e.g., OSHA, ATEX Directives, and China's GB Standards) have tightened. These frameworks mandate not just detection, but integration with automated shutdown valves, central monitoring telemetry, and cloud-enabled SCADA environments. Industrial installations are shifting from passive detection systems to active, intelligent risk-mitigation systems.

Petrochemical and Industrial Gas Detection Plant

X Represents Unknown Risks, X Represents Next-Gen Safety

Pioneering Electronic Gas Detection Technologies & Full-Chain Integrated Safety since 2003.

Xinhaosi Next-Gen Safety Tech Concept
X is X Safety Symbol

We utilize advanced electronic detection technology to make unknown gas leak risks clear and visible. Founded in 2003, Xinhaosi is one of the most influential and reliable brands in the gas safety industry. 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. From heavy chemical processing units requiring SIL-certified explosion-proof installations to smart car parks needing carbon monoxide sensors, our portfolio answers the full spectrum of industrial hazards.

2003
Established Year
100+
Global Partners
SIL2
Safety Rating
24/7
Active Protection

Four Pillars of Modern Gas Infrastructure Safety

Deploying specialized sub-systems designed to mitigate threats across key industrial and public sectors.

Industrial Gas & Flame Detection

Industrial Gas & Flame

Detection Systems. Safety First from Precision Sensing technologies designed for petrochemical zones.

Household & Commercial Gas Detectors

Household & Commercial

Gas Detectors. Protecting residential complexes and commercial kitchens from source gas hazards.

Industrial & Household Gas Solenoid Valves

Industrial & Household

Gas Solenoid Valves. Rapid-shutoff safety valves engineered to isolate leaks in milliseconds.

Urban Gas Distribution

Urban Gas

Distribution & Monitoring. High-performance smart sensing solutions for municipal gas grids.

LPG Detection Technology Roadmap & Future Outlook

A deep scientific breakdown of sensor dynamics, calibration regimes, and AI-driven predictive gas analytics.

1. Catalytic Bead vs. NDIR Sensors

Traditional catalytic bead sensors detect combustible gases via catalytic oxidation. While highly cost-effective, they are prone to sensor poisoning by silicones, sulfur, and lead. Our next-generation systems integrate dual-wavelength Non-Dispersive Infrared (NDIR) optical sensors. These offer immunity to chemical contamination, run reliably in oxygen-depleted atmospheres, and exhibit a operational lifespan exceeding 10 years.

2. AI-Driven False Alarm Suppression

Environmental interference from aerosols, household cleaning agents, and industrial chemical vapours often triggers false alarms in standard LPG monitors. Xinhaosi implements neural network-driven signal processing at the microcontroller layer. By analyzing the dynamic rise rate of the gas concentration signature rather than a simple static threshold, our detectors reduce false alarms by over 92%.

3. IoT Integration & Cloud Telemetry

Modern functional safety demands that gas transmitters communicate natively with wider ecosystems. Our explosion-proof gas detectors utilize Modbus RS485, HART, and optional 4G/LoRaWAN modules. This allows for real-time telemetry streaming to cloud dashboards and industrial SCADA configurations. Managers can monitor system health, check calibration drift, and orchestrate emergency shut-offs remotely.

Clean Room Assembly and Sensor Calibration
Automated Testing Area for Gas Solenoid Valves

End-to-End Solutions for Total Safety

True safety is not achieved through standalone sensors. It requires a cohesive, interlocked ecosystem that detects, alerts, and immediately responds to gas leakage incidents.

At Xinhaosi, we offer full-chain integration: from precision field transmitters to centralized control panels and automatic shut-off valves. This ensures that the moment an LPG leak crosses the safety threshold (typically 10% LEL), the system sounds local strobe/horn alarms, alerts the plant operator via remote telemetry, and energizes the emergency gas solenoid valve (such as our industrial XF3III series) to isolate the gas supply source instantly.

Full-Chain Integration Framework

  • Precision Sensing Element: Heavy-duty industrial housing enclosing ATEX-rated infrared or catalytic gas sensor modules.
  • Control Interface: High-reliability wall-mounted controllers processing 4-20mA or RS485 loop signals.
  • Automated Mitigation: Normally-open or normally-closed mechanical solenoid valves to enforce system isolation.
  • Remote Dispatch: API integration supporting push alerts to emergency crews, reducing response window from hours to seconds.

Our Partners & Enterprise Clients

Trusted globally by municipal gas corporations, heavy chemical enterprises, and smart facility management groups.

Partner Logo 1
Partner Logo 2
Partner Logo 3
Partner Logo 4
Partner Logo 5
Partner Logo 6
Partner Logo 7
Partner Logo 8
Partner Logo 9
Partner Logo 10
Partner Logo 11
Partner Logo 12
Partner Logo 13
Partner Logo 14
Partner Logo 15
Partner Logo 16
Partner Logo 17
Partner Logo 18
Partner Logo 19
Partner Logo 20
Partner Logo 21
Partner Logo 22
Partner Logo 23
Partner Logo 24

Expert FAQ: LPG Leak Detection Systems

Providing direct, authoritative answers to critical engineering and safety questions about industrial gas monitoring.

Q: What is the correct installation height for an LPG leak detector compared to Natural Gas?
LPG (Liquefied Petroleum Gas) is composed mainly of propane and butane, making it heavier than air. It will accumulate near the floor. Therefore, LPG leak detectors must be installed close to the ground (typically 0.3 meters to 1.0 meters above the floor level). In contrast, Natural Gas (primarily methane) is lighter than air and rises. Natural gas detectors should be placed 0.3 meters to 1.0 meters below the ceiling.
Q: What is the significance of ATEX / IECEx certifications for gas safety installations?
These certifications verify that the electrical equipment is explosion-proof and cannot generate sparks or thermal surface temperatures high enough to ignite an explosive gas environment. Industrial facilities handling flammable substances like LPG are classified into Zones (Zone 1, Zone 2, etc.), which legally require ATEX or IECEx certified hardware.
Q: How often should industrial LPG leak detectors undergo calibration?
We recommend executing bump testing every 3 to 6 months to verify sensor responsiveness and signal routing. A formal calibration (adjusting zero-point and span values using standard calibration gas) must be conducted at least once a year. NDIR-based sensors maintain calibration stability longer than traditional catalytic beads, but scheduled verification is still mandatory under safety guidelines.
Q: What is the function of the gas shut-off solenoid valve during a detection event?
Solenoid valves serve as the mechanical muscle of the safety layout. Normally-opened valves remain open during normal operation. The moment a detector senses a gas leak and crosses the predefined safety limit, the control system sends a 24VDC electrical pulse to trip the valve. Once closed, it blocks the main supply pipe to prevent more gas from fueling the hazardous zone. It can only be manually reset after verifying the area is safe.
Q: How do I interface gas detectors with my factory SCADA or building management system?
Our industrial transmitters (e.g., GTYQ-AT0602) feature standard outputs: 3-wire 4-20mA analog loops, Modbus RS485 digital output, and dual dry-contact relay switches. This allows direct integration with industrial PLCs, security alarms, fire networks, and centralized SCADA platforms for unified safety control.

News & Industry Updates

Stay tuned for the latest developments, product launches, and regional exhibition updates from Xinhaosi.

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

Xinhaosi Launches 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.

Read Full Release
XINHAOSI Participates in the 5th Western China Cross-Border E-Commerce Expo
Corporate Exhibition / May 08, 2026

XINHAOSI Participates in the 5th Western China Cross-Border E-Commerce Expo

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.

Read Full Release
XINHAOSI Participates in 2026 Sichuan (Chengdu) - Indonesia Industry Matchmaking Conference
Global Outreach / May 08, 2026

XINHAOSI Participates in 2026 Sichuan (Chengdu) – Indonesia Matchmaking Conference

The event gathered enterprises and industry representatives from China and Indonesia to strengthen industrial cooperation and explore new business opportunities in Southeast Asia.

Read Full Release

Continuous Catalog & Enterprise Solutions

Complete your instrumentation deployment with our explosion-proof detectors, controllers, and smart transmitters.

OEM China GTYQ-XP3000 Explosion Proof Combustible Gas Detector

OEM China GTYQ-XP3000 Explosion Proof Combustible Gas Detector - Reliable Suppliers and Factory Solutions Suppliers, Factory

View Technical Specs
OEM Explosion Proof Combustible Gas Detector GTQ-XP4000

OEM Explosion Proof Combustible Gas Detector GTQ-XP4000 - Reliable China Suppliers & Factory Solutions Supplier, Manufacturers

View Technical Specs
High-Quality China GT-AT0637 Wireless Smart Pressure Monitor

High-Quality China GT-AT0637 Wireless Smart Pressure Monitor - Reliable Suppliers and Factory for Precision Measurement Solutions Supplier, Manufacturers

View Technical Specs
High-Quality Industrial Smart AI Gas Safety Valve

High-Quality Industrial Smart AI Gas Safety Valve Supplier, Factory

View Technical Specs
OEM China GTYQ-AT0503 Explosion Proof Combustible Gas Detector

OEM China GTYQ-AT0503 Explosion Proof Combustible Gas Detector - Reliable Suppliers & Factory Options Available Suppliers, Factory

View Technical Specs
High-Quality Explosion Proof Combustible Gas Detector GTYQ-AT0602 Variant

High-Quality Explosion Proof Combustible Gas Detector GTYQ-AT0602 - Reliable China Suppliers & Factory Solutions Suppliers, Manufacturers

View Technical Specs
High-Quality China JT-AT2007 Series Household Combustible Gas Detector

High-Quality China JT-AT2007 Series Household Combustible Gas Detector - Quality Suppliers and Factory Products Supplier, Suppliers

View Technical Specs
OEM China PMC-X602C Gas Pressure Transmitter Controller

OEM China PMC-X602C Gas Pressure Transmitter Controller - Reliable Suppliers and Factory for Industrial Solutions Suppliers, Manufacturer

View Technical Specs