Dongfeng xinjiang truck spare parts Gas leak alarm 3638520-AKJ101Y

Built as a frontline safety barrier for gas trucks, this alarm adopts advanced semiconductor gas-sensing technology to detect methane (main component of natural gas) with exceptional precision. It covers a detection range of 0-100% LEL (Lower Explosive Limit) and triggers an alarm when gas concentration reaches 8% LEL—lower than the 10% LEL industry average—ensuring earlier risk identification. The response time is ≤0.8 seconds, and the recovery time is ≤5 seconds, enabling real-time monitoring even during transient leaks. The sensor element features temperature compensation (-40℃ to 85℃), maintaining stable sensitivity in extreme environments—from northeast China’s frigid winters to Xinjiang’s scorching deserts—avoiding false alarms caused by temperature fluctuations or dust interference

To maximize safety, the alarm integrates a three-in-one warning mechanism that alerts drivers and activates protective measures simultaneously. When a leak is detected, it triggers an 88dB high-decibel buzzer (audible over engine noise), a flashing red LED indicator on the dashboard, and a digital signal to the GCU. The GCU linkage immediately shuts off the main gas valve within 0.3 seconds, cutting off the gas supply to prevent leakage expansion. The alarm also stores leak records (time, concentration) for 100 events, facilitating post-incident analysis for fleet managers. A one-touch “TEST” button allows daily self-checks, ensuring the system functions normally before each trip—critical for compliance with gas vehicle safety regulations

Engineered for the hazardous environment of gas trucks, the alarm meets Ex d IIB T3 Ga explosion-proof rating and IP67 waterproof/dustproof standard. The housing is made of flame-retardant ABS+PC alloy (UL94 V-0 rating) with a sealed structure, preventing gas ignition inside the device. The sensing chamber uses a stainless steel filter mesh to block dust and liquid, while the internal circuit board is coated with conformal paint to resist corrosion from gas impurities and humidity. The wiring harness uses high-temperature PTFE insulation (resistant to 150℃) and a braided copper shield for anti-interference. It passes 1200-hour salt spray testing (ASTM B117) and 500 thermal cycles (-30℃ to 80℃), ensuring reliability in coastal, desert, and industrial areas

Optimized for fleet maintenance efficiency, the gas leak alarm features a user-friendly design. The 5-pin waterproof connector plugs directly into the GCU wiring harness, and the alarm secures to the dashboard via 4 M4×8 self-tapping screws—requiring only a Phillips screwdriver for installation. A single technician can complete replacement in 15 minutes, 60% faster than non-OE alarms. The alarm’s semiconductor sensor has a service life of ≥180,000km, and its low power consumption (≤360mW) avoids draining the truck battery. Clear markings (“GAS LEAK ALARM”) and color-coded wires (red=positive, black=ground, blue=signal) prevent installation errors. It comes with a 2-year/200,000km warranty, reducing maintenance costs and ensuring continuous safety protection for fleet operations