GB 4716-2024 English PDF

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GB 4716-2024: Point type heat fire detectors
Status: Valid

GB 4716: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 4716-2024	599	Add to Cart	5 days	Point type heat fire detectors	Valid
GB 4716-2005	579	Add to Cart	4 days	Point type heat fire detectors	Valid
GB 4716-1993	919	Add to Cart	6 days	Technical requirements and test methods for heat sensitive point type fire detectors	Obsolete

Similar standards

GB 12791   GB 14287.1   GB 14287.3   GB 4715   GB 4717   

Basic data

Standard ID: GB 4716-2024 (GB4716-2024)
Description (Translated English): Point type heat fire detectors
Sector / Industry: National Standard
Classification of Chinese Standard: C81
Classification of International Standard: 13.220.20
Word Count Estimation: 30,382
Date of Issue: 2024-11-28
Date of Implementation: 2025-12-01
Older Standard (superseded by this standard): GB 4716-2005
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 4716-2024: Point type heat fire detectors

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standard of the People's Republic of China ICS 13.220.20CCS C 81 Point type heat fire detector 2024-11-28 Release 2025-12-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB 4716-2005

Table of Contents

Preface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 1 4 Categories...2 5 Requirements 2 5.1 General requirements 2 5.2 Appearance requirements 2 5.3 Performance of main components (devices) 2 5.4 Control Software Requirements ...3 5.5 Response direction performance ...4 5.6 Operating temperature performance ...4 5.7 Response Time Performance ...4 5.8 25℃ initial response time performance...4 5.9 High temperature response performance ...5 5.10 Power supply parameter fluctuation performance ...5 5.11 Response time performance before environmental test 5 5.12 High temperature (durability) performance 5 5.13 Climate and environmental tolerance 6 5.14 Mechanical environmental resistance 6 5.15 Electromagnetic compatibility performance 7 5.16 Drop performance 8 5.17 Additional performance of S-type detector 9 5.18 Additional performance of R-type detector 9 5.19 Composite Detection 10 6 Experiments 10 6.1 General Principles 10 6.2 Appearance 13 6.3 Main components (devices) 13 6.4 Control Software 13 6.5 Labels and Instructions for Use 13 6.6 Orientation Test 14 6.7 Operating temperature test 14 6.8 Response time test 14 6.9 25℃ Initial Response Time Test 14 6.10 High temperature response test 14 6.11 Power Parameter Fluctuation Test 15 6.12 Response time test before environmental test 15 6.13 High temperature (durability) test 15 6.14 Low temperature (operation) test 15 6.15 Cyclic damp heat (operation) test 16 6.16 Steady-state heat and humidity (durability) test 16 6.17 Sulfur dioxide (SO2) corrosion (durability) test ...16 6.18 Impact (operation) test 17 6.19 Collision Test 17 6.20 Vibration (sinusoidal) (operating) test 17 6.21 Vibration (sinusoidal) (endurance) test 18 6.22 Electrostatic discharge immunity test 18 6.23 Radio frequency electromagnetic field radiation immunity test 18 6.24 Radio frequency field induced conducted disturbance immunity test 18 6.25 Electrical fast transient burst immunity test 19 6.26 Surge (impact) immunity test 19 6.27 Drop test 19 6.28 Additional tests for S-type detectors 20 6.29 Additional test for R-type detectors 20 7 Inspection Rules 20 7.1 Factory Inspection 20 7.2 Type inspection 20 8 Signs...21 8.1 Product Marking 21 8.2 Quality Inspection Marks 21 8.3 Marking durability 21 9 User Manual...21 Appendix A (Normative) Standard Temperature Chamber ...22 Appendix B (Normative) Drop test device 23

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB 4716-2005 "Point-type heat-sensitive fire detectors". Compared with GB 4716-2005, except for structural adjustments and editing In addition to the changes in performance, the main technical changes are as follows. a) Added "Typical Application Temperature", "Maximum Application Temperature", "Operation Temperature", "Resettable Detector" and "Non-Resettable Detector" term and definition of “device” (see Chapter 3); b) Added fault monitoring requirements for temperature sensing elements (see 5.3.3); c) Added protection performance requirements for temperature sensing elements (see 5.3.4); d) Added requirements for data output function (see 5.3.5); e) Added requirements for wiring terminals (see 5.3.7); f) Added the requirement for the change in response time of any two detectors before environmental testing (see 5.11); g) Added the requirements for the upper limit of the response time after environmental testing (see 5.12 to 5.16); h) Added the requirements for low temperature (operating) test temperature level (see 5.13); i) Added drop test requirements (see 5.16); j) Added requirements for the durability of markings (see 8.3); k) Added drop test device (see Appendix B). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Fire and Rescue Administration. The previous versions of this document and the documents it replaces are as follows. --First issued as GB 4716-1984 in 1984, first revised in.1993, and second revised in.2005; --This is the third revision. Point type heat fire detector

1 Scope

This document defines the terms and definitions of point-type heat-sensing fire detectors (hereinafter referred to as "detectors"), and specifies the classification, requirements, inspection regulations, and The requirements for rules, markings and instructions for use describe the corresponding test methods. This document applies to the design, manufacture and inspection of point-type heat-sensing fire detectors used in industrial and civil buildings.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 4715 Point-type smoke detectors GB/T 9969 General principles for instructions for use of industrial products GB 12978 Inspection Rules for Fire Protection Electronic Products GB 15631 Special fire detectors GB/T 16838 Environmental test methods and severity levels for fire protection electronic products GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3.Radio frequency electromagnetic field radiation immunity test GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test GB/T 17626.6 Electromagnetic compatibility test and measurement technology - Immunity to conducted disturbances induced by radio frequency fields

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Typical application temperature Under normal monitoring conditions, the ambient temperature at which point-type heat-sensitive fire detectors can operate stably for a long time. 3.2 maximum application temperature Under normal monitoring conditions, the ambient temperature that a point-type heat-sensitive fire detector can withstand and operate stably for a short period of time. 3.3 Static response temperature The temperature at which a point-type thermal fire detector can send out a fire alarm signal when the temperature rises at an extremely small rate. 3.4 resettable detector After responding and when the condition that caused the response ceases, the detector can return from the alarm state to the normal monitoring state without replacing any components. Detector. ......

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