GB/Z 18427-2001
Active
GB/T 14038-2025
Active
National standards
GB/T 14038-2025 Connections for pneumatic fluid power—Ports and stud ends
GB/T 14038-2025 Connections for pneumatic fluid power—Ports and stud ends
Basic Information
Standard Code:
GB/T 14038-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Hydraulic and pneumatic devices
ICS Name:
Pipes and pipe fittings
Publish Date:
2025-10-31
Implement Date:
2025-10-31
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国液压气动标准化技术委员会(SAC/TC 3)
Pages:
24 pages
Scope
本文件规定了气动用圆柱螺纹的气口和螺柱端的尺寸和性能要求。为满足-0.09 MPa～+1.6 MPa压力范围内连接无泄漏，要求采用可重复使用的、有效保压的密封件。
本文件适用于新设计的气动元件的螺纹气口和螺柱端。
警告：符合ISO 1179(所有部分)的端口和螺柱端或符合ISO 7-1的螺纹不能与本文件规定的气口和螺柱端连接。
注：螺纹符合ISO 7-1的端口和螺柱端用于ISO 1179-1，但不能用于本文件，因为本文件和ISO 1179-1的螺纹深度存在显著差异，如图1所示的Δ1和Δ2。
Development Information
Drafting Units:
宁波英特灵气动科技有限公司、山耐斯自动化(宁波)集团有限公司、深圳市伙伴气动精密机械有限公司、铜陵学院、深圳市天一智能科技有限公司、国家气动产品质量检验检测中心、北京机械工业自动化研究所有限公司
Drafting Persons:
林开峰、蒋滨、唐圣钦、虞儒杨、方骏、刘现、应男、曹巧会
Replace the following standards
Referenced Standards
GB/T 193-2003 General purpose metric screw threads—General plan
GB/T 3141-1994 Industrial liquid lubricants—ISO viscosity classification
GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 17446-1998 Fluid power systems and components—Vocabulary
GB/T 17446-2012 Fluid power systems and components—Vocabulary
GB/T 17446-2024 Fluid power systems and components—Vocabulary
GB/T 28783-2012 Pneumatic fluid power—Standard reference atmosphere
Adopt standards
ISO 16030:2022
Related Standards
GB/T 7937-2002
Replaced
GB/T 7937-2002 Fluid power systems and components—Connectors and associated components—Nominal pressures
GB/T 15329.1-2003
Replaced
GB/T 15329.1-2003 Rubber hoses and hose assemblies—Textile-reinforced hydraulic types—Specification—Part 1:Oil-based fluid applications
GB/T 5860-2003
Active
GB/T 5860-2003 Hydraulic fluid power—Quick-action couplings Dimensions and requirements
GB/T 5861-2003
Active
GB/T 5861-2003 Hydraulic fluid power—Quick action couplings—Test methods
GB/T 7937-2008
Abolished