GB15631-2008
Special type fire detectors
特种火灾探测器
GB 15631-2008 is a current mandatory Chinese national standard for Special type fire detectors. It appears in the Construction compliance cluster with a product safety focus and has an implementation date of May 1, 2009.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to special type fire detectors installed in general industrial and civil buildings. It covers four main product categories: point-type infrared flame detectors, aspirating smoke fire detectors, image-type fire detectors, and point-type carbon monoxide fire detectors. It serves as the mandatory benchmark for manufacturing and compliance testing of these specific fire safety products in the Chinese market.
Technical requirements
The standard mandates strict performance criteria for detector consistency, repeatability, and方位 (azimuth) response. For instance, response threshold ratios between maximum and minimum values are strictly regulated to ensure operational stability. Detectors must also feature tamper-resistant factory settings and clear visual alarm indicators (e.g., red alarm confirmation lights visible at 6m). Manufacturers must ensure that field-configurable response settings either fully comply with the standard's baseline requirements or are explicitly restricted via specialized tools. Environmental and mechanical durability is a core focus. Detectors must endure climatic endurance tests (such as 21-day constant damp heat and SO2 corrosion exposure) and mechanical stress tests (including vibration, shock, and collision) without triggering false alarms. Post-test response thresholds must remain within strictly defined ratios compared to pre-test consistency values. The standard incorporates modern electromagnetic compatibility (EMC) requirements. Detectors are required to withstand RF electromagnetic fields, electrostatic discharge (ESD), and electrical fast transients without issuing false fire or fault signals. Additionally, specific detectors like the point-type CO fire detectors must demonstrate immunity to cross-interference from other gases like methane and butane.
Testing methods
The standard outlines a comprehensive suite of testing procedures, including response threshold measurements using specialized optical and gas testing apparatuses. It details fire sensitivity tests utilizing standardized fire sources like n-heptane and ethanol. Furthermore, it references GB 16838 for standardized environmental and EMC testing methodologies, ensuring consistent evaluation of detector robustness across all categories.
FAQs
What products are regulated under GB 15631-2008?
This standard regulates four main types of detectors: point-type infrared flame detectors, aspirating smoke fire detectors, image-type fire detectors, and point-type carbon monoxide fire detectors used in general industrial and civil buildings.
Are there any updates from the previous version of GB 15631?
The 2008 version replaced GB 15631-1995. The major update is the inclusion of technical requirements for aspirating smoke fire detectors, image-type fire detectors, and point-type carbon monoxide fire detectors, along with updated electromagnetic compatibility (EMC) requirements.
How does GB 15631-2008 relate to international or other GB standards?
The standard references several national standards for testing procedures, such as GB 16838 for environmental test methods and severity levels, and GB 4715 for smoke detector fire sensitivity tests. It aligns its EMC testing with appropriate severity levels to facilitate international integration.
The summary above provides a high-level overview of GB 15631-2008. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 15631-2008 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Product
- CCS
- C81
- ICS
- 13.220.20
- Competent department
- National Fire and Rescue Administration
- Technical committee
- National Technical Committee on Fire Protection of Standardization Administration of China