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NPT & NPS 螺纹

NPT & NPS 螺纹
NPT 代表美国国家管锥螺纹 牙型根据ANSI/ASME B1.20.1
NPS 代表美国国家标准直管螺纹(直型) 牙型根据ANSI/ASME B1.20.1
NPTF 代表美国国家燃油用管锥螺纹 牙型根据SAE J476
NPSM代表美国国家机械直管螺纹 牙型根据ANSI/ASME B1.20.1
National Pipe threads are similar in function to BSP threads, but are not generally interchangeable.
NPTF threads (also known as Dryseal) are an improvement to NPT.
Controlled truncation of threads mean the metal-to-metal thread seal is at root and crest of threads, in addition to flanks of threads.
Use of thread sealant is recommended for NPT male and NPT female connection.
在靠近接头端部的第一个完全牙处测量NPT外螺纹外径和NPT内螺纹内径。

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沧州市力鑫诚管道制造有限公司

张瑞贞 Mrs Summer

Tel/whatsapp:+8615383774100/15350750258(Wechat)
Email:info@lcpipefittings.com
Web:www.lcpipefittings.com
Company:Cangzhou Lixincheng Pipeline Manufacturing Co.,ltd
Manufacture Add:ZhiFangTou Industrial District Cang Country,Cangzhou city, Hebei Province,061000 China.
Office Add:Room 1102,building C#,Yiheguoji,Yunhe district,Cangzhou city Hebei Province 061000 China.
Pub Time : 2019-12-11 14:04:23 >> News list
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