GB/T 7306.1-2000

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Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1:Parallel internal and taper external threads

55°密封管螺纹 第1部分:圆柱内螺纹与圆锥外螺纹

Standard Type
GBT
ICS
21.040.30
CCS
J04
Status
现行
Issue Date
2000-07-24
Implementation
2000-12-01
Responsible Dept
国家标准委
Drafting Unit
国家标准委

📋 Scope / 适用范围 ai_extracted

本标准规定了牙型角为550,螺纹副本身具有密封性的圆柱内螺纹和圆锥外螺纹的牙型、尺寸、公 差和标记。 本标准适用于管子、阀门、管接头、旋塞及其他管路附件的螺纹联结。 允许在螺纹副内添加合适的密封介质，例如在螺纹表面缠胶带、涂密封胶等。

📚 References & Relations / 引用与关联

normative_reference GB/T 14791-1993
normative_reference ISO 5408

Content extracted by AI. Not officially verified.