1/4FL*3/8NPT是什么意思?

1/4FL*3/8NPT是什么意思?

NPT 是 National (American) Pipe Thread 的缩写,属於美国标准的 60 度锥管螺纹,用於北美地区．国家标准可查阅 GB/T12716-1991.国家标准可查阅 GB/T7307-2001 另外螺纹中的1/4、1/2、1/8 标记是指螺纹尺寸的直径,单位是英吋．行内人通常用分来称呼螺纹尺寸,一吋等於8分,1/4 吋就是2分,如此类推． Common American National Standard Pipe Taper ThreadsNPT - National Pipe Thread Taper FPT - female (internal) National Pipe Taper threads MPT - male (external) National Pipe Taper threads NPTF - Dryseal American National Standard Taper Pipe Thread (ANSI B1.20.3) For NPT threads a sealant compound or Teflon tape must be used for a leak-free seal. For NPTFno sealant is needed for a sealing.Characteristics of NPT (also known as ANSI/ASME B1.20.1 Pipe Threads, General Purpose):tapered thread 1o 47' truncation of roots and crests are flat 60o thread angle pitch is measured in threads per inch

这个答案应该是对的