GB 30051-2026 Push-bar emergency exit locks English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB 30051-2026
Push-bar emergency exit locks
推闩式逃生门锁
Issue date: 2026-03-31 Implementation date: 2026-10-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and codes, models
4.1 Classification and codes by function
4.2 Classification and codes by fire resistance
4.3 Classification and codes by service life
4.4 Models
5 Requirements
5.1 Appearance
5.2 Structure
5.3 Basic dimensions
5.4 Mating dimensions
5.5 Flexibility
5.6 Opening performance
5.7 Robustness
5.8 Service life
5.9 Fire resistance
5.10 Specific performance of push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm
6 Test methods
6.1 General provisions
6.2 Appearance
6.3 Structure
6.4 Basic dimensions
6.5 Mating dimensions
6.6 Flexibility
6.7 Opening performance
6.8 Robustness
6.9 Service life
6.10 Fire resistance
6.11 Specific performance of push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm
7 Inspection rules
7.1 Factory inspection
7.2 Type inspection
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation
8.4 Storage
Push-bar emergency exit locks
1 Scope
This document defines the terms and definitions for push-bar emergency exit locks (hereinafter referred to as "door locks"), specifies the classification and codes, models, requirements, inspection rules, marking, packaging, transportation and storage, and describes the corresponding test methods.
This document is applicable to the design, manufacture and quality inspection of push-bar emergency exit locks installed on evacuation doors.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 191, Packaging — Pictorial marking for handling of goods
GB/T 2423.1, Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold
GB/T 2423.2, Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat
GB/T 2423.3, Environmental testing — Part 2: Test methods — Test Cab: Damp heat, steady state
GB/T 2423.10, Environmental testing — Part 2: Test methods — Test Fc: Vibration (sinusoidal)
GB/T 5907.1, Fire protection vocabulary — Part 1: General terminology
GB/T 7633, Fire resistance tests for doors and shutter assemblies
GB/T 9969, General principles for instruction for use of industrial products
GB/T 16838, Environmental test methods and severities for fire electronic products
GB/T 17626.2, Electromagnetic compatibility — Testing and measurement techniques — Electrostatic discharge immunity test
GB/T 17626.3, Electromagnetic compatibility — Testing and measurement techniques — Part 3: Radiated, radio-frequency, electromagnetic field immunity test
GB/T 37634, Locks — Test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 5907.1, GB/T 7633 and GB/T 37634, as well as the following, apply.
3.1
push-bar emergency exit lock
A lock that achieves the opening function by manually pushing the door bar.
Note: Push-bar emergency exit locks include mechanical push-bar emergency exit locks, push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm.
3.2
mechanical push-bar emergency exit lock
A push-bar emergency exit lock (3.1) that only has the opening and closing function achieved by a mechanical device, without its own electronic alarm function and without the linkage alarm function with a fire alarm control unit or fire linkage control unit.
3.3
push-bar emergency exit lock with integrated alarm
A push-bar emergency exit lock (3.1) that has the opening and closing function achieved by a mechanical device, and is provided with its own electronic alarm function as well as the linkage alarm function with a fire alarm control unit or fire linkage control unit.
3.4
push-bar emergency exit lock with local alarm
A push-bar emergency exit lock (3.1) that has the opening and closing function achieved by a mechanical device, and is provided with its own electronic alarm function but without the linkage alarm function with a fire alarm control unit or fire linkage control unit.
4 Classification and codes, models
4.1 Classification and codes by function
The classification and codes of push-bar emergency exit locks by function are specified in Table 1.
4.2 Classification and codes by fire resistance
The classification and codes of push-bar emergency exit locks by fire resistance are specified in Table 2.
4.3 Classification and codes by service life
The classification and codes of push-bar emergency exit locks by service life are specified in Table 3.
4.4 Models
The model designation method for push-bar emergency exit locks is shown in Figure 1.
Example 1: TTS-JF1.5-Ⅱx indicates a mechanical push-bar emergency exit lock with a fire resistance of 1.5 h, a service life grade of Grade II, and a manufacturer-defined product code of x.
Example 2: TTS-B-Ⅰx indicates a push-bar emergency exit lock with local alarm, without fire resistance, with a service life grade of Grade I, and a manufacturer-defined product code of x.
5 Requirements
5.1 Appearance
5.1.1 The surface of the door lock shall be smooth and clean, the coating shall be uniform, and exposed parts shall be free from obvious defects such as cracks, spots, blistering, peeling and scratches.
5.1.2 Exposed edges and corners of the door lock shall be chamfered or rounded, and there shall be no accessible sharp edges, corners or burrs.
5.1.3 The marking of the door lock shall comply with the provisions of 8.1.
5.2 Structure
5.2.1 Various riveted and welded parts of the door lock shall be firmly secured without looseness.
5.2.2 Door locks with fire resistance shall not have fixed mechanisms that restrict the normal movement of the latch bolt.
5.2.3 In the escape direction, the door lock shall be opened only by manual pushing.
5.2.4 In the non-escape direction, the opening mechanism of the door lock shall not affect its normal use in the escape direction.
5.3 Basic dimensions
5.3.1 The total length of the door lock shall not be less than 2/3 of the width of the door leaf of the evacuation door on which it is installed, and shall not affect the normal opening and closing of the evacuation door.
5.3.2 The handle of the door lock opening mechanism shall be conspicuous, and its length shall not be less than 1/2 of the width of the door leaf of the evacuation door on which it is installed.
5.4 Mating dimensions
5.4.1 The length of the latch bolt of the door lock normally extending from the latch faceplate shall not be less than 12 mm.
5.4.2 After the latch bolt of the door lock is retracted into the latch hole, the front end face of the latch bolt shall be flush with the latch faceplate, and the height difference between the two planes shall not exceed 0.5 mm.
5.5 Flexibility
5.5.1 The opening and closing mechanism and the latch bolt of the door lock shall operate flexibly without jamming.
5.5.2 The closing force of the door lock shall not exceed 50 N.
5.6 Opening performance
5.6.1 When there is no positive pressure on the door leaf, the opening force of the door lock shall not exceed 70 N.
5.6.2 When a positive pressure of 1,100 N is applied to the door leaf in the opening direction, the opening force of the door lock shall not exceed 220 N.
5.7 Robustness
5.7.1 The latch bolt of the door lock shall remain usable after withstanding a lateral static load of 1,000 N maintained for 30 s.
5.7.2 With the evacuation door on which the door lock is installed in the closed state, a static thrust of 1,780 N applied to the door leaf of the evacuation door in the door opening direction shall not cause the door lock to open.
5.7.3 The door lock housing shall not undergo permanent deformation or damage after a static pressure test of 110 N and an impact strength test of 2.65 J.
5.8 Service life
Door locks with service life grades of Grade I, Grade II, Grade III and Grade IV shall remain usable after 500,000, 300,000, 200,000 and 100,000 cycles of operation, respectively. Their opening performance shall meet the provisions of 5.6, and their robustness shall meet the provisions of 5.7.
5.9 Fire resistance
GB 30051-2026 Push-bar emergency exit locks English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB 30051-2026
Push-bar emergency exit locks
推闩式逃生门锁
Issue date: 2026-03-31 Implementation date: 2026-10-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and codes, models
4.1 Classification and codes by function
4.2 Classification and codes by fire resistance
4.3 Classification and codes by service life
4.4 Models
5 Requirements
5.1 Appearance
5.2 Structure
5.3 Basic dimensions
5.4 Mating dimensions
5.5 Flexibility
5.6 Opening performance
5.7 Robustness
5.8 Service life
5.9 Fire resistance
5.10 Specific performance of push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm
6 Test methods
6.1 General provisions
6.2 Appearance
6.3 Structure
6.4 Basic dimensions
6.5 Mating dimensions
6.6 Flexibility
6.7 Opening performance
6.8 Robustness
6.9 Service life
6.10 Fire resistance
6.11 Specific performance of push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm
7 Inspection rules
7.1 Factory inspection
7.2 Type inspection
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation
8.4 Storage
Push-bar emergency exit locks
1 Scope
This document defines the terms and definitions for push-bar emergency exit locks (hereinafter referred to as "door locks"), specifies the classification and codes, models, requirements, inspection rules, marking, packaging, transportation and storage, and describes the corresponding test methods.
This document is applicable to the design, manufacture and quality inspection of push-bar emergency exit locks installed on evacuation doors.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 191, Packaging — Pictorial marking for handling of goods
GB/T 2423.1, Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold
GB/T 2423.2, Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat
GB/T 2423.3, Environmental testing — Part 2: Test methods — Test Cab: Damp heat, steady state
GB/T 2423.10, Environmental testing — Part 2: Test methods — Test Fc: Vibration (sinusoidal)
GB/T 5907.1, Fire protection vocabulary — Part 1: General terminology
GB/T 7633, Fire resistance tests for doors and shutter assemblies
GB/T 9969, General principles for instruction for use of industrial products
GB/T 16838, Environmental test methods and severities for fire electronic products
GB/T 17626.2, Electromagnetic compatibility — Testing and measurement techniques — Electrostatic discharge immunity test
GB/T 17626.3, Electromagnetic compatibility — Testing and measurement techniques — Part 3: Radiated, radio-frequency, electromagnetic field immunity test
GB/T 37634, Locks — Test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 5907.1, GB/T 7633 and GB/T 37634, as well as the following, apply.
3.1
push-bar emergency exit lock
A lock that achieves the opening function by manually pushing the door bar.
Note: Push-bar emergency exit locks include mechanical push-bar emergency exit locks, push-bar emergency exit locks with integrated alarm and push-bar emergency exit locks with local alarm.
3.2
mechanical push-bar emergency exit lock
A push-bar emergency exit lock (3.1) that only has the opening and closing function achieved by a mechanical device, without its own electronic alarm function and without the linkage alarm function with a fire alarm control unit or fire linkage control unit.
3.3
push-bar emergency exit lock with integrated alarm
A push-bar emergency exit lock (3.1) that has the opening and closing function achieved by a mechanical device, and is provided with its own electronic alarm function as well as the linkage alarm function with a fire alarm control unit or fire linkage control unit.
3.4
push-bar emergency exit lock with local alarm
A push-bar emergency exit lock (3.1) that has the opening and closing function achieved by a mechanical device, and is provided with its own electronic alarm function but without the linkage alarm function with a fire alarm control unit or fire linkage control unit.
4 Classification and codes, models
4.1 Classification and codes by function
The classification and codes of push-bar emergency exit locks by function are specified in Table 1.
4.2 Classification and codes by fire resistance
The classification and codes of push-bar emergency exit locks by fire resistance are specified in Table 2.
4.3 Classification and codes by service life
The classification and codes of push-bar emergency exit locks by service life are specified in Table 3.
4.4 Models
The model designation method for push-bar emergency exit locks is shown in Figure 1.
Example 1: TTS-JF1.5-Ⅱx indicates a mechanical push-bar emergency exit lock with a fire resistance of 1.5 h, a service life grade of Grade II, and a manufacturer-defined product code of x.
Example 2: TTS-B-Ⅰx indicates a push-bar emergency exit lock with local alarm, without fire resistance, with a service life grade of Grade I, and a manufacturer-defined product code of x.
5 Requirements
5.1 Appearance
5.1.1 The surface of the door lock shall be smooth and clean, the coating shall be uniform, and exposed parts shall be free from obvious defects such as cracks, spots, blistering, peeling and scratches.
5.1.2 Exposed edges and corners of the door lock shall be chamfered or rounded, and there shall be no accessible sharp edges, corners or burrs.
5.1.3 The marking of the door lock shall comply with the provisions of 8.1.
5.2 Structure
5.2.1 Various riveted and welded parts of the door lock shall be firmly secured without looseness.
5.2.2 Door locks with fire resistance shall not have fixed mechanisms that restrict the normal movement of the latch bolt.
5.2.3 In the escape direction, the door lock shall be opened only by manual pushing.
5.2.4 In the non-escape direction, the opening mechanism of the door lock shall not affect its normal use in the escape direction.
5.3 Basic dimensions
5.3.1 The total length of the door lock shall not be less than 2/3 of the width of the door leaf of the evacuation door on which it is installed, and shall not affect the normal opening and closing of the evacuation door.
5.3.2 The handle of the door lock opening mechanism shall be conspicuous, and its length shall not be less than 1/2 of the width of the door leaf of the evacuation door on which it is installed.
5.4 Mating dimensions
5.4.1 The length of the latch bolt of the door lock normally extending from the latch faceplate shall not be less than 12 mm.
5.4.2 After the latch bolt of the door lock is retracted into the latch hole, the front end face of the latch bolt shall be flush with the latch faceplate, and the height difference between the two planes shall not exceed 0.5 mm.
5.5 Flexibility
5.5.1 The opening and closing mechanism and the latch bolt of the door lock shall operate flexibly without jamming.
5.5.2 The closing force of the door lock shall not exceed 50 N.
5.6 Opening performance
5.6.1 When there is no positive pressure on the door leaf, the opening force of the door lock shall not exceed 70 N.
5.6.2 When a positive pressure of 1,100 N is applied to the door leaf in the opening direction, the opening force of the door lock shall not exceed 220 N.
5.7 Robustness
5.7.1 The latch bolt of the door lock shall remain usable after withstanding a lateral static load of 1,000 N maintained for 30 s.
5.7.2 With the evacuation door on which the door lock is installed in the closed state, a static thrust of 1,780 N applied to the door leaf of the evacuation door in the door opening direction shall not cause the door lock to open.
5.7.3 The door lock housing shall not undergo permanent deformation or damage after a static pressure test of 110 N and an impact strength test of 2.65 J.
5.8 Service life
Door locks with service life grades of Grade I, Grade II, Grade III and Grade IV shall remain usable after 500,000, 300,000, 200,000 and 100,000 cycles of operation, respectively. Their opening performance shall meet the provisions of 5.6, and their robustness shall meet the provisions of 5.7.
5.9 Fire resistance
