英国标准管筒扁角线（BSPT）线筒尺寸图表说明书
BSPP、BSPT、NPTF螺纹(1)
内容提示: Fitting IdentificationFitting Thread Size Comparison Chart The male connections have (Male unified thread class 2 fit) UN-2A specification threads and the female connections have (Female unified thread class 2 fit) UN-2B specification threads. The exceptions are male and female pipe ...
The BSP threads are similar to, but not interchangeable with American NPTF pipe threads. The thread pitch is different in most sizes, and the thread angle is 55° instead of 60° angle found on NPTF and NPSM threads. Guide onhow to properly measure threads. ...