1.
NPSI (American Standard Internal Straight Pipe Threads)
美国标准内直管螺纹
2.
NPSC (American Standard Straight Pipe Thread in Coupling)
美国标准接头直管螺纹
3.
NPSF (American Standard Straight Pipe ThreadsforPressure-tight Joints)
美国标准压密接头直管螺纹
4.
NPSM (AmericanStandardStraightPipeThreadfor Me-chanical Joints)
美国标准机械接头直管螺纹
5.
pin-to-box pipe
阳螺纹-阳螺纹管子
6.
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
7.
Flared type tube fittings--Male elbow--Assembly
GB/T5629.1-1985扩口式锥螺纹直角管接头
8.
Flared type tube fittings--Male elbow--Body
GB/T5629.2-1985扩口式锥螺纹直角管接头体
9.
Male connector--Assembly
GB/T3734.1-1983卡套式锥螺纹直通管接头
10.
Male elbow for butt joints--Assembly
GB/T3758.1-1983卡套式锥螺纹对接直角管接头
11.
Male elbow--Assembly
GB/T3739.1-1983卡套式锥螺纹直角管接头
12.
Flared type tube fittings--Male connector--Assembly
GB/T5626.1-1985扩口式锥螺纹直通管接头
13.
Flared type tube fittings--Male connector-Body
GB/T5626.2-1985扩口式锥螺纹直通管接头体
14.
Male run tee--Assembly
GB/T3744.1-1983卡套式锥螺纹直角三通管接头
15.
coupling straigth-way cock
两端带阴螺纹管接的直通旋塞
16.
Male connector for butt joints--Assembly
GB/T3755.1-1983卡套式锥螺纹对接直通管接头
17.
Design and manufacture of hight pressure seal thread socket with large ddameter and big pitch
大直径大螺距高压密封螺纹套管设计与制造
18.
NPT tapered tube thread gauges
NPT锥管螺纹量规