Merijndj Posted 3 July 2010 Share Posted 3 July 2010 (edited) In mijn eindeloze zoektochten gevonden websites en informatie over "pipe threads" MARYLAND METRICS - THREAD DATA CHARTS Straight Pipes Standards NPSC - American Standard Straight Pipe Threads in Pipe Couplings Couplings Applicable Standards ANSI B1.20.1 PIPE THREADS, GENERAL PURPOSE (INCH) FED-STD-H28/7 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 7 PIPE THREADS - GENERAL PURPOSE NPSF - Dryseal American Standard Fuel Internal Straight Pipe Threads Applicable Standards SAE J476 DRYSEAL PIPE THREADS ANSI B1.20.3 DRYSEAL PIPE THREADS (INCH) FED-STD-H28/8 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 8 DRYSEAL PIPE THREADS NPSI - Dryseal American Intermediate Internal Straight Pipe Threads Applicable Standards SAE J476 DRYSEAL PIPE THREADS ANSI B1.20.3 DRYSEAL PIPE THREADS (INCH) FED-STD-H28/8 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 8 DRYSEAL PIPE THREADS NPSM - American Standard Straight Pipe Threads for Free-Fitting Mechanical Joints for Fixtures (these threads fit freely over NPTF threads. They are used in swivel nuts of 07 adapters) Applicable Standards ANSI B1.20.1 PIPE THREADS, GENERAL PURPOSE (INCH) FED-STD-H28/7 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 7 PIPE THREADS - GENERAL PURPOSE Taper Pipe Standards ANPT - Aeronautical National Taper Pipe Threads Applicable Standards MIL-P-7105 PIPE THREADS, TAPER, AERONAUTICAL NATIONAL FORM, SYMBOL ANPT, GENERAL REQUIREMENTS NPT - American Standard Taper Pipe Threads for General Use Applicable Standards ANSI B1.20.1 PIPE THREADS, GENERAL PURPOSE (INCH) FED-STD-H28/7 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 7 PIPE THREADS - GENERAL PURPOSE NPTF - Dryseal American Standard Taper Pipe Threads Applicable Standards SAE J476 DRYSEAL PIPE THREADS ANSI B1.20.3 DRYSEAL PIPE THREADS (INCH) FED-STD-H28/8 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 8 DRYSEAL PIPE THREADS PTF - SAE Short - Dryseal SAE Short Taper Pipe Threads PTF - SAE Short is mainly used in low pressure pneumatic and fuel applications. Applicable Standards ANSI B1.20.3 DRYSEAL PIPE THREADS (INCH) PTF SPL Short & SPL Extra Short - Dryseal Special Short Taper Pipe Threads Are used in some pneumatic components where shortened thread depth is required because of size limitations. Applicable Standards ANSI B1.20.3 DRYSEAL PIPE THREADS (INCH) AWWA - American Water Works Association ANSI/AWWA C800-05 UNDERGROUND SERVICE LINE VALVES AND FITTINGS Unified Thread Standards UN - Unified Constant Pitch Threads (standard series: 4, 6, 8, 12, 16, 20, 28, 32) Applicable Standards ASME B1.1 UNIFIED INCH SCREW THREADS (UN & UNR THREAD FORM) FED-STD-H28/2 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS-UN AND UNR THREAD FORMS UNC - Unified Coarse Threads Applicable Standards ASME B1.1 UNIFIED INCH SCREW THREADS (UN & UNR THREAD FORM) FED-STD-H28/2 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS-UN AND UNR THREAD FORMS UNEF - Unifed Extra Fine Threads Applicable Standards ASME B1.1 UNIFIED INCH SCREW THREADS (UN & UNR THREAD FORM) FED-STD-H28/2 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS-UN AND UNR THREAD FORMS UNF - Unified Fine Threads Applicable Standards ASME B1.1 UNIFIED INCH SCREW THREADS (UN & UNR THREAD FORM) FED-STD-H28/2 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS-UN AND UNR THREAD FORMS UNS - Unified Special Pitch Threads Applicable Standards ASME B1.1 UNIFIED INCH SCREW THREADS (UN & UNR THREAD FORM) SCREW-THREAD STANDARDS FOR FEDERAL SERVICES-SEC. 3 UNJ - Unified Controlled Root Radius Threads Applicable Standards ANSI B1.15 UNIFIED INCH SCREW THREADS (UNJ THREAD FORM) FED-STD-H28/4 SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 4 CONTROLLED RADIUS ROOT SCREW THREADS, UNJ SYMBOL Metric Thread Standards M - Metric Screw Threads M profile Applicable Standards ISO 261 ISO GENERAL PURPOSE METRIC SCREW THREADS - GENERAL PLAN ASME B1.13M METRIC SCREW THREADS: M PROFILE FED-STD-H28/21 METRIC SCREW-THREADS M Keg Metric Taper Threads Mainly used in Germany. Applicable Standards DIN 158-1 METRIC EXTERNAL TAPER SCREW THREADS AND MATING INTERNAL PARALLEL SCREW THREADS - PART 1. NOMINAL SIZES, LIMIT DEVIATIONS, LIMITS OF SIZE AND VERIFICATION DIN 158-2 METRIC EXTERNAL TAPER SCREW THREAD AND MATING INTERNAL PARALLEL SCREW THREADS - PART 2. GAUGING SYSTEM, USE OF GAUGES, CALCULATION OF GAUGE DIMENSIONS AND GENERAL FEATURES BSi - British Standards R (BSPT) - British Standard Taper Pipe Threads, External Applicable Standards BS 21 PIPE THREADS FOR TUBES AND FITTINGS WHERE PRESSURE-TIGHT JOINTS ARE MADE ON THE THREADS (METRIC DIMENSIONS) ISO 7/1 PIPE THREADS: DESIGNATION, DIMENSIONS/TOLERANCES Rc (BSPT) - British Standard Taper Pipe Threads, Internal Applicable Standards BS 21 PIPE THREADS FOR TUBES AND FITTINGS WHERE PRESSURE-TIGHT JOINTS ARE MADE ON THE THREADS (METRIC DIMENSIONS) ISO 7/1 PIPE THREADS: DESIGNATION, DIMENSIONS/TOLERANCES Rp or G (BSPP) - British Standard Pipe (Parallel) Threads Applicable Standards BS 2779 PIPE THREADS FOR TUBES & FITTINGS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS (METRIC DIMENSIONS) ISO 228/1 PIPE THREADS PT 1: DESIGNATION, DIMENSIONS, TOLERANCE Japanese Standards PF - JIS Parallel Pipe Threads PF threads are functionally interchangeable with BSPP. This is an old designations replaced with G. Applicable Standards JIS B 202 PARALLEL PIPE THREADS ISO 228/1 PIPE THREADS PT 1: DESIGNATION, DIMENSIONS, TOLERANCE PT - JIS Taper Pipe Threads PT threads are functionally interchangeable with BSPT threads. This is an old designations replaced with and R and Rc. Applicable Standards JIS B 0203 TAPER PIPE THREADS ISO 7/1 PIPE THREADS: DESIGNATION, DIMENSIONS/TOLERANCES PS - JIS Parallel Internal Pipe Threads (to mate with PT threads) Applicable Standards JIS B 0203 TAPER PIPE THREADS Kortom: JIS = Japanese Industrial Standards (JIS B 0203 - 1982) BSPT = British Standard Pipe Taper (zelfde als "PT" thread) BSP(P) = British Standard Pipe (Parallel) ( NPT = National Pipe Thread (taper) NPT en BSPT verschilt 1 thead per 25,4mm (npt 27thread p/inch - BSPT 28thread p/inch) 1inch = 25,4mm Taper thread: Parallel thread: Edited 3 July 2010 by Merijndj Quote Link to comment Share on other sites More sharing options...
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