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BSPP G 1/2 : Brith Pipe (BSP) Thread Dimensions and Tolerances. All the relevant data for this tread in one spot
G-Series pipe thread chart (British standard pipe parallel was BSPP & BSPF) and PF-Series pipe thread chart (Japanese pipe parallel).
Tolerance on major diameter. Internal thread th2. External thread th2. Internal thread th1. External thread th. Designation of thread. Number of threads in 25.4 mm. Pitch P. Height of thread h.
British Standard Pipe Parallel (BSPP) thread calculator for thread form of Whitworth thread. Calculate dimensions, tolerances and designation for pipe threads for sizes from 1/16 to 6 according to ISO 228 - 1 standard.
Supported thread Standards. The ThreaDoctor includes 4 sub-apps: Metric Thread Calculator, UN thread Calculator, NPT thread Calculator, and BSP thread calculator. United Inch Screw Threads Per ASME B1.1. UNC – Coarse pitch thread.
Common symbols used for the thread: BSP, BSPP, BSSPI, BSPF, BSPG, PS, Rp, G. The BSPP (parallel) male will mate with a BSPP (parallel) female or a female port. Usually marked: G size ISO. Taper Threads. BS taper threads are also referred to as British Standard Taper Pipe, Pipe Taper or Conical Thread. Common symbols used for the thread: BSPT ...
The most common types of Whitworth thread are: BSPP (G) – British Standard Pipe Parallel. BSPT (R/Rp) – British Standard Tapered Pipe, for pipes and tapered thread. An appropriate sealing compound can be used in the thread to ensure a leakproof joint.
