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GB/T 36511-2018Underwater emergency breathing apparatus for helicopter (English PDF)

直升机用水下应急呼吸器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 13, 2018

Implementation date

February 1, 2019

Scope

GB/T 36511-2018 is the English-translated version of 直升机用水下应急呼吸器.

GB/T 36511-2018 covers the underwater emergency breathing apparatus carried for helicopter occupants, which lets them breathe after a helicopter ditches. The apparatus is typically made up of a mouthpiece, a lung valve mechanism, a hose, a gas cylinder and a pressure reducer with manual switch, safety valve, filling nozzle and pressure gauge.

The standard sets requirements for performance, environmental adaptability, ergonomics, appearance, interfaces and interchangeability, and materials.

Its test methods include underwater physiological performance, gas supply time, air tightness, safety valve opening pressure, supply flow, inhalation and exhalation resistance, and storage, low pressure, temperature shock, damp heat, salt spray and mould tests.

It also gives inspection rules, marking, accompanying documents, packaging, transport and storage. It was issued on 13 July 2018 and has applied since 1 February 2019.

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Document preview — GB/T 36511-2018

National Standard of the People's Republic of China

ICS: 49.095
Classification: V 44

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 structure
5 Technical requirements
5.1 Performance
5.2 Environmental adaptability
5.3 ergonomics
5.4 Appearance
5.5 Interface, interchangeability, compatibility
5.6 Material
6 Test method
6.1 Underwater physiological performance
6.2 Gas supply time
6.3 Pressure reduction
6.4 Air tightness
6.5 Pressure reducer safety valve opening pressure
6.6 Pressure reducer air supply flow rate
6.7 Lung valve mechanism air tightness
6.8 Inspiratory resistance of the lung valve mechanism
6.9 Expiratory resistance of the lung valve mechanism
6.10 size
6.11 Low temperature storage
6.12 High temperature storage
6.13 Low air pressure
6.14 Temperature shock
6.15 Damp heat
6.16 Salt spray
6.17 Mold
6.18 Appearance quality
6.19 Interface
6.20 Interchangeability
7 Inspection rules
7.1 Inspection classification
7.2 Inspection conditions
7.3 Identification test
7.4 Quality consistency test
8 logo and accompanying documents
8.1 Mark
8.2 accompanying documents
9 Packaging, transport and storage
9.1 Packing
9.2 Transportation
9.3 Storage
10 other

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the structure, technical requirements, test methods, inspection rules, and emergency breathing apparatus for helicopters used by helicopter occupants. Marking and accompanying documentation, packaging, shipping and storage requirements.

This standard applies to emergency breathing apparatus under helicopter water (hereinafter referred to as "underwater emergency breathing apparatus").

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 packaging storage and transportation icon

GB/T 192 ordinary thread basic tooth type

GB/T 196 basic thread basic size

GB/T 197 ordinary thread tolerance

GB 4806.11-2016 National Food Safety Standards Rubber Materials and Products for Food Contact

GB 18435 diving breathing gas and detection method

GB/T 28053 composite gas cylinder for respirator

GB/T 28285-2012 Aircraft oxygen system terminology

Aircraft airborne equipment -- Environmental conditions and test methods - Part 1. General

Aircraft airborne equipment -- Environmental conditions and test methods - Part 2. Temperature and height test

Aircraft airborne equipment -- Environmental conditions and test methods - Part 3. Temperature change test

Aircraft airborne equipment -- Environmental conditions and test methods - Part 4. Damp heat test

Aircraft airborne equipment -- Environmental conditions and test methods - Part 11. mould test

Aircraft airborne equipment -- Environmental conditions and test methods - Part 12. Salt spray test

3 Terms and definitions

The terms and definitions defined in GB/T 28285-2012 apply to this document. For ease of use, the following is a list of some terms and definitions in GB/T 28285-2012.

3.1 Pulmonary ventilation

The volume of gas inhaled or exhaled by the human body per minute, which is equal to the product of the respiratory rate and the amount of tidal volume. [GB/T 28285-2012, definition 2.3.42]

4 Structure

The underwater emergency breathing apparatus is generally composed of a mouthpiece, a lung valve mechanism, a hose, a gas cylinder and a pressure reducer, and the structure thereof is as shown in Fig. 1, wherein Manual switches, safety valves, inflation nozzles and pressure gauges are generally provided on the pressure reducer.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 36506-2018|GB/T 36508-2018|GB/T 36509-2018|GB/T 36510-2018|GB/T 47259-2026|GB/T 47374-2026

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