1 2 Inch Bsp Thread Pitch

The below table gives the major and minor diameter for each bsp trade thread size.
1 2 inch bsp thread pitch. Note that a thread that measures 1 2 is not a 1 2 bsp thread. Bspp thread chart dimensions calculator to show british standard pipe parallel thread form thread dimensions where pressure tight joints are not made on the threads. Tpi stands for threads per inch means the total number of threads per inch measured along the length of a fastener. Also referred to as british standard taper pipe or pipe taper or conical thread.
The chart below shows dimensions for male threads and the number of threads per inch tpi. Using the table below we can see that a thread measuring 1 2 is actually a 1 4 bsp thread. Thread size threads per inch pitch mm gauge length mm od mm major diameter of the thread corresponding pipe mm in dn od in title. British standard pipe bsp 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 it has been adopted as standard in plumbing and pipe fitting except in north america where npt and related threads are used.
In general smaller fasteners have finer threads so the thread count is higher. 2 1 4 inch bsp immersion water heater elements. There are two types of bsp threads. Tpi is used only with american fasteners.
Series british standard pipe taper bspt. Taper is 3 4 taper per foot 1 in 16 on the diameter various symbols. Use a tape rule or vernier gauge to measure across the outside of the male thread. Bspt thread chart calculator for british standard pipe taper thread form where pressure tight joints are made on the threads.
Bspt bsptr pt kr rc. G series pipe thread chart british standard pipe parallel was bspp bspf and pf series pipe thread chart japanese pipe parallel. Bspp thread dimensions calculator shows dimensions tolerances and designation for fastening pipe threads for thread sizes from 1 16 to 6 according to iso 228 1 standard. 1 1 2 inch bsp kitchen sink wastes bath wastes toilet syphon outlets central heating pumps.
Both threads have the same pitch angle 55 degrees and shape rounded peaks and valleys. 1 2 14 1 814 20 995 0 825 8 2 15 21 3 0 84 2 6. British standard pipe taper bspt threads size chart author. Parrallel bspp also known as g or rp tapered bspt also know as r or rc.