G 1 4 Bspp Female Thread

Iso 228 din 259 bs2779 british standard pipe parallel thread called bspp.
G 1 4 bspp female thread. The g series screw thread may be internal screw thread or external screw thread. Bspp g british standard pipe parallel. This is why it comes in imperial sizes. Jis b0202 in japan this thread is known as pf use prefix g for parallel.
G1 4 1 4 bspp 13 157 1 337 19 12 301 11 445 0 856 11 60 g3 8 3 8 bspp 16 662 1 337 19 15 806 14 950 0 856 15 00 g1 2 1 2 bspp. Pob 1778 greer sc 29652 414 west poinsett street greer sc 29650. 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. Bspp and g is the same thing.
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. The most common types of whitworth thread are. The g series screw thread is not intended for a seal being made on the screw. The g series screw thread is made to iso 228 while the rp series screw thread is made to iso 7 or bs 21 or en 10226 1.
Where the rp series screw thread is only internal screw thread. 3 8 17 1 4 14 1 2 21 3 8 18 3 4 27 1 2 22 1 34 3 4 28 1 42 1 35 1 49 1 43. An appropriate sealing compound can be used in the thread to ensure a leakproof joint. The below table gives the major and minor diameter for each bsp trade thread size.
There are two types of bsp threads. Two types of thread is the same parallel straight british standard pipe parallel thread is bspp also be denoted by the letter g iso standard. Parrallel bspp also known as g or rp tapered bspt also know as r or rc. Remember that npt threads have a 60 thread flank angle and bspt has a 55 angle this can be verified with a thread gauge.
Although bsp is a foreign thread it isn t metric. Both threads have the same pitch angle 55 degrees and shape rounded peaks and valleys. G followed by the designation bsp taper. Bspt r rp british standard tapered pipe for pipes and tapered thread.
R followed by the designation metric thread code metric thread code metric thread code m3x0 5 09 m12x1 25 66 m22x1 5 82 m5x0 8 19 m12x1 5 67 m24x1 5 83. Bspp vs pf thread. 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.