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GB/T 35438-2017Specification for quick disconnect gas or liquid couplings of science experiment rack in space station (English PDF)

空间站科学实验柜气液快换接头规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

April 1, 2018

Scope

GB/T 35438-2017 is the English-translated version of 空间站科学实验柜气液快换接头规范.

GB/T 35438-2017 is the Chinese standard "Specification for quick disconnect gas or liquid couplings of science experiment rack in space station".

Its scope clause reads: This standard specifies the manned space station scientific experiment cabinet gas-liquid quick change connector (quick change connector) type specifications, structure ruler Inch, functional performance, test methods and identification.

This standard applies to the space station, manned spacecraft, spacecraft and other spacecraft spacecraft scientific experiment cabinet or payload on the quick exchange Head, other space applications Task Gas quick change connector or liquid quick change connector Reference Use this standard.

Note. In this standard does not cause ambiguity, the scientific experiment cabinet referred to as the experimental cabinet. Its clauses include terms and definitions.

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Document preview — GB/T 35438-2017

National Standard of the People's Republic of China

ICS: 49.080
Classification: V 21

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

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 structure and size
4.1 interface method
4.2 Straight-type quick change connector
4.3 right angle quick connector
5 performance and test
5.1 Performance
5.1.1 Rated working pressure
5.1.2 pressure value
5.1.3 drip amount
5.1.4 air content
5.1.5 Leakage rate
5.1.6 Flow resistance
5.1.7 life
5.1.8 Operating Force
5.1.9 Material Requirements
5.1.10 anti-misuse requirements
5.2 Test Methods
5.2.1 Test conditions
5.2.2 pressure test
5.2.3 drip test
5.2.4 air content test
5.2.5 Leakage rate test
5.2.6 Flow Resistance Test
5.2.7 life test
5.2.8 Operating Force Test
6 mark
7 packaging, storage, transportation

1 Scope

This standard specifies the manned space station scientific experiment cabinet gas-liquid quick change connector (quick change connector) type specifications, structure ruler

Inch, functional performance, test methods and identification.

This standard applies to the space station, manned spacecraft, spacecraft and other spacecraft spacecraft scientific experiment cabinet or payload on the quick exchange

Head, other space applications Task Gas quick change connector or liquid quick change connector Reference Use this standard.

Note. In this standard does not cause ambiguity, the scientific experiment cabinet referred to as the experimental cabinet.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

Test methods for hydraulic quick change couplings GB/T 5861-2003

GB/T 13384 mechanical and electrical product packaging General technical conditions

Non-destructive testing - Helium leak detection method

GB/T 17446 fluid transmission systems and components vocabulary

GB/T 20028 vulcanized rubber or thermoplastic rubber applications Arrhenius map calculated life expectancy and maximum temperature

Ergonomics Requirements and Evaluation Methods of Spacecraft Design for Spacecraft Engineering

GJB7358 spacecraft hoisting, turning, parking, transportation, storage and general technical requirements

3 Terms and definitions

GB/T 17446 defined and the following terms and definitions apply to this document.

3.1 Experiment cabinet

Under the constraints of the flight platform resources, there is a unified interface of machine, electricity, and heat, which is suitable for supporting different disciplines to carry out different experimental tasks

With technical facilities.

Example. International Standard Payload Enclosure (ISPR) on the ISS.

[GB/T 30114.1-2013, Definition 4.7]

3.2 Quick change connector

Self-sealing structural components for gas/liquid line head/seat can be quickly connected or disconnected without any universal or special tools.

3.3 Dropping volume spilage

Under certain pressure, the quick-release connector breaks the volume of liquid that overflows from the inside out each time.

3.4 Leakage rate

Leakage per second pressure of 1Pa, the temperature is 20 °C cubic meters of air.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 44198-2024Integration and verification requirements of science experiment system for space station

Similar standards

GB/T 47264-2026

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