Standards Development
This standard specifies the general requirements and testing methods for self-sealing flat-face couplings used in the aerospace and data center industries under pressures from 0 to 300 psi. It includes general requirements such as materials and performance indicators, as well as testing requirements including test conditions, test methods, and evaluation of test results.
With the development of aerospace equipment and data centers, the heat dissipation problem of electronic devices has become increasingly prominent. High-power electronic devices adopt liquid cooling for heat dissipation. Meanwhile, modular design has become an important concept, and the modular design of various systems has already become an inevitable trend. self-sealing flat-face couplings meet the requirements of system modular design and are widely used in liquid cooling systems. Therefore, higher requirements have been put forward for self-sealing flat-face couplings used for fluid connections between equipment in liquid cooling systems. Liquid cooling systems adopted in aerospace vehicles and data centers, as well as fuel and water systems, etc., have driven the development of self-sealing flat-face couplings towards miniaturization, low flow resistance, high reliability, long service life and standardization.
In view of the current situation that there is a lack of general requirements for self-sealing flat-face couplings used in low-pressure working conditions such as liquid cooling systems in international standards, it is very necessary to formulate a unified standard to guide the quality assurance and testing of this type of connectors.
The International Organization for Standardization (ISO) currently has no standards on this subject. The existing standards related to self-sealing flat-face couplings do not cover the standards for selfsealing flat-face couplings used under pressures ranging from 0 to 300 Psi. All of them are medium and high-pressure standards.
The existing standards related to quick-release couplings include "Hydraulic fluid power - Quick-action couplings - Dimensions and requirements (ISO 7241:2023)", "Hydraulic fluid power - Quick-action couplings with screwed ends for pressures up to 72 MPa - Dimensions and requirements (ISO 14540: 2013)", "Hydraulic fluid power - Quick-action couplings with general-purpose screwed ends Dimensions and requirements (ISO 14541:2013)" and "Hydraulic fluid power - Specification for flat-face quick-action couplings for pressures from 20 MPa to 31.5 MPa (ISO 16028:2023)". All these four standards are for medium and high-pressureflat-face couplings with pressures exceeding 5 MPa, lacking the relevant requirements for self-sealing flat-face couplings used in liquid-cooled heat dissipation systems under pressures ranging from 0 to 300 Psi. There is an urgent need to formulate this standard to improve the standardization of the manufacturing, inspection and testing of this type of products.
Manufacturers are in urgent need of this standard to provide normative guidance for product design, manufacturing and inspection, to provide highly reliable fluid interconnections for users in fields such as aerospace and data centers, and to generate more economic benefits for society.
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