ASME B16.21-2021 管道法兰用非金属平垫片

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AN AMERICAN NATIONAL STANDARD

ASME B16.21-2021

(Revision of ASME B16.21-2016)

Nonmetallic

Flat Gaskets for

Pipe Flanges

ASME B16.21-2021

(Revision of ASME B16.21-2016)

Nonmetallic

Flat Gaskets for

Pipe Flanges

AN AMERICAN NATIONAL STANDARD

Two Park Avenue • New York, NY • 10016 USA

Date of Issuance: January 21, 2022

The next edition of this Standard is scheduled for publication in 2026.

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The American Society of Mechanical Engineers

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THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

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摘要：

ASME B16.21-2021 是由美国机械工程师协会发布的最新标准规范，专门针对管道法兰连接中使用的非金属平垫片的设计、材料、尺寸及性能要求进行了详细规定。该标准适用于在工业管道系统中，使用非金属材料（如橡胶、聚四氟乙烯、柔性石墨等）制成的平面型垫片，旨在确保法兰连接在高温、高压或腐蚀性介质条件下具备可靠的密封性能。ASME B16.21-2021 替代了之前的版本，更新了尺寸公差、表面缺陷允许范围以及适用的压力-温度额定值，帮助工程师和采购人员准确选择与 ASME B16.5、B16.47

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ASME B16.21-2021 管道法兰用非金属平垫片

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