BSPM is an old BS-2779 screw thread designation which is now correctly designated as G and defined in ISO-228. The British Standard Pipe Parallel (BSPP) screw thread was changed to British Standard Pipe Fitting (BSPF) screw thread to remove the confusion between the like sounding BSP P / BSP T screw thread designations.

BSP螺纹全称是British Standard Pipe Thread，指的是英国标准管螺纹，属于惠氏螺纹（BS 84）范畴。 说到惠氏螺纹，私以为甚是了不起，不仅仅因为它是世界上第一个螺纹标准，更因为它的提出者 约瑟夫·惠特沃斯 （ Joseph Whitworth ）。

British Standard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal (female) thread.

2022年10月29日 · BSP threads are divided into BSPP straight pipe threads and BSPT taper pipe threads by shape. BSPP (British Standard Pipe Parallel) is a sealed connection 55° straight pipe thread. In the VPC fitting series, BSPP threads are available with O-Ring by default.

2023年10月23日 · BSP螺纹是英文British Standard Pipe Thread的缩写，指的是英国标准管螺纹，属于惠氏螺纹（BS84）范畴，牙型角为55°。 按外形划分，BSP螺纹有圆柱管螺纹BSPP（British Standard Pipe Parallel）和圆锥管螺纹BSPT（British Standard Pipe Taper）两种。

BSP 螺纹是英文 British Standard Pipe Thread 的缩写，指的是英国标准管螺纹，属于惠氏螺纹（ BS84 ）范畴，牙型角为 55 °。 按外形划分， BSP 螺纹有圆柱管螺纹 BSPP （ British Standard Pipe Parallel ）和圆锥管螺纹 BSPT （ British Standard Pipe Taper ）两种。

British Standard Pipe Parallel thread (BSPP) is also known as British Standard Pipe Fitting thread (BSPF) and British Standard Pipe Mechanical thread (BSPM). Female and Male threads are both parallel.

2020年4月24日 · BSP螺纹全称是British Standard Pipe Thread，指的是英国标准管螺纹，属于惠氏螺纹（BS 84）范畴。 说到惠氏螺纹，私以为甚是了不起，不仅仅因为它是世界上第一个螺纹标准，更因为它的提出者约瑟夫·惠特沃斯（Joseph Whitworth）。

2019年8月11日 · BSP螺纹全称是British Standard Pipe Thread，指的是英国标准管螺纹，属于惠氏螺纹（BS 84）范畴。 BSP螺纹按外形分为两种：圆柱管螺纹BSPP（British Standard Pipe Parallel）和圆锥管螺纹BSPT（British Standard Pipe Taper）。

2012年6月20日 · BSPM = British Standard Pipe Mechanical is an obsolete designation which has been replaced with the G-Series. BSPP = British Standard Pipe Parallel is an obsolete designation still in common usage and has been officially replaced with the G-Series.