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• 2018-02-12

British Standard Pipe Taper BSPT Threads Size Chart Thick ness mm 1 16 28 0 907 7 723 0 304 4 1 8 28 0 907 9 728 0 383 4 6 10 2 0 4 2 1 4 19 1 337 13 157 0 518 6 8 13 5 0 53 2 3 3 8 19 1 337 16 662 0 656 6 4 10 17 2 0 68 2 3 1 2 14 1 814 20 995 0 825 8 2 15 21 3 0 84 2 6 5 8 14 1 814 22 911 0 902 16 2 6 3 4 14 1 814 26 441 1 041 9 5 20 26 9 1 06 2 6 1 11 2 309 33 249

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• 2018-02-12

Outside the United States some US pipe threads are found as well as many British Standard Pipe threads and ISO 7 1 7 2 228 1 and 228 2 threads NPT is NATIONAL PIPE TAPER AMERICAN – Thread form per ANSI ASME B1 20 1 NPS is NATIONAL PIPE STRAIGHT PARALLEL – Thread form per ANSI ASME B1 20 1

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• 2018-02-12

One is Parallel threads or we can say Straight threads The second one is the Taper Thread BSP is BRITISH STANDARD PIPE THREAD– Also known as Whitworth 55 176 Thread Form BSPT is BRITISH STANDARD PIPE TAPER THREAD – Thread form per AS 1722 1 BS 21 ISO 7 BSPP is BRITISH STANDARD PIPE PARALLEL THREAD – Thread form per AS 1722 2 ISO

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• 2018-02-12

ing pipe threads including Dryseal pipe threads gas cylinder valve outlet and inlet threads hose coupling including fire hose coupling threads and hose connections for welding equipment Handbook H28 1944 and the 1950 Supplement thereto are superseded by Parts I II and III of Handbook H28 1957 and the Federal Specifications listed in appendix 6 of Part I of H28

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• 2018-02-12

American National Standard for Pipe Threads ANSI ASME B1 20 1 Thread Fittings ASME B16 11 2009 Revision of ASME B16 11 2005 Center to End Coupling W Center to End Cap P Outside Diam eter D End Wall Thickness G Min Length of Thread Min 1 DN Nom Pipe Size 3000 amp 6000 3000 6000 3000 6000 3000 6000 B L2 6 1 8 32 19 16 4 8 6 4 6 7 8 1 4 35 25

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• 2018-02-12

2020 05 19 nbsp 0183 32 National Standard Taper Pipe Threads Size NPT Chart The NPT standards oversee both external and internal pipe threads so both the male and pipe ends are consistent and predictable Every NPT thread has a taper rate of 190 inch per foot or 1 16 inch per inch of length The taper rate is determined by comparing the change in thread diameter over

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• 2018-02-12

in column 1 or 2 of chart The dimension in column 3 will be your nominal pipe thread size Column 1 Column 2 Column 3 Column 4 Column 5 OD Fraction Inch only for quick reference Actual Decimal Inch Pipe Size Nominal TPI Threads per Inch Normal Engagement for a tight joint dimension quot C quot 5 16 quot 0 3125 quot 1 16 quot 27 0 2611 13 32 quot 0 405 quot 1 8 quot 27 0 2639 35 64 quot

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• 2018-02-12

The L 1 basic hand tight engagement applies to NPTF threads It is the theoretical length of assembly hand tight if both parts had perfect thread form and taper and were exactly at the nominal size The diagram and table below show standard L1 lengths Hand Tight Engagement for pipe threads as well as the L 3 Wrench Make Up

• Admin
• 2018-02-12

British Standard Pipe Taper BSPT Threads Size Chart Thick ness mm 1 16 28 0 907 7 723 0 304 4 1 8 28 0 907 9 728 0 383 4 6 10 2 0 4 2 1 4 19 1 337 13 157 0 518 6 8 13 5 0 53 2 3 3 8 19 1 337 16 662 0 656 6 4 10 17 2 0 68 2 3 1 2 14 1 814 20 995 0 825 8 2 15 21 3 0 84 2 6 5 8 14 1 814 22 911 0 902 16 2 6 3 4 14 1 814 26 441 1 041 9 5 20 26 9 1 06 2 6 1 11

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• 2018-02-12

Thread Dimensions Nominal Dimensions of Standard Threads ODM Outside Diameter of the Male IDF Inside Diameter of the TPI Threads Per Inch Size Pipe OD Tapered Threads Straight Threads NPT BSPTr NPSH NPSM NST NH BSPP TPI TPI TPI ODM max IDF min TPI ODM max IDF min TPI ODM max IDF min TPI ODM max IDF min 1 8 quot

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• 2018-02-12

Title Pipe Thread Engagement Author sh1723 Created Date 10 6 2009 12 00 00 AM

• Admin
• 2018-02-12

2003 11 08 nbsp 0183 32 Because of the taper a pipe can only screw into a fitting a certain distance before it jams unlike threading a nut on a bolt The standard specifies this distance the effective thread It also specifies another distance the engagement the distance the pipe can be screwed in by hand without much effort For workers instead of these distances it is more convenient to

• Admin
• 2018-02-12

the dimensions found on charts in the following pages As an example a fitting will be defined as Continental ContiTech EP B2 NPMX 0606 with 3 8 18 threads From the hydraulic catalog the fitting can be identified as a NPTF MALE SWIVEL The 6 fitting has 3 8 18 threads which can be identified using the calipers thread gauge and the following tables Compare

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• 2018-02-12

Pipe Nipple Thread Engagement 73 National Pipe Thread Standards 74 75 FORGED STEEL AND OIL COUNTRY FITTING DATA Forged Steel Anvilets Installation and Pressure Ratings 76 Forged Steel Fittings Pressure Ratings 77 Current API Thread Standards for Oil Country Fittings 77 BEAM DIMENSIONS Beam Dimensions American Standard

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• 2018-02-12

as the length of hand tight engagement the distance the pipe thread can be screwed in by hand It also specifies another distance – the effective thread this is the length of the thread which makes the seal on a conventional machined pipe thread For workers instead of these distances it is more convenient to know how many turns to make by hand and how many with a wrench

• Admin
• 2018-02-12

The following table chart defines Straight Pipe Threads for Mechanical Joints NPSM and NPSL ANSI ASME B1 20 1 American Pipe Threads Standard Straight pipe threads are designated NPSC National Pipe Straight Coupling Also generically referred to as quot IPS Threads quot or quot Iron Straight Threads quot Note that straight pipe threads unlike tapered pipe thread do not provide

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• 2018-02-12

Click here to return to the thread data chart page index ISO Metric profile External bolt thread Internal nut thread Basic mm Size mm Thread Designation Simple Thread Designation Pitch mm Class Major Dia d D max min Pitch Dia d2 D2 max min Minor Dia d3 max min Class Minor Dia D1 min max Pitch Dia d2 D2 min max Major Dia d D min max Tap Drill 0 25

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• 2018-02-12

Threads Per Inch n Pitch of Thread P Standard Pipe Thread NPT Short Plumbing Hospital Thread Suggested Twist Drill Diameters for Drilled Hole Sizes For Pipe Threads 1 American Standard Twist Drill Sizes Hand tight Engagement Length L1 Effective Thread External Length L1 Overall Length External Thread Overall Length External Thread L4

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• 2018-02-12

B1 20 1 National Pipe Tapered Thread NPT SAE AS71051B Aeronautical National Pipe Tapered Thread ANPT and their respective gaging specifications so to quickly determine whether the pipe nipple is cut and or the joint made up properly Both NPT and ANPT taper pipe threads have the same general form and dimensions except ANPT tolerances are held a bit

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• 2018-02-12

Pipe Thread Types and Designations Overview Different types of screw threads have evolved for fastening and hydraulic systems Of special concern are plastic to metal taper parallel threaded joints in hydraulic circuits A discussion and recommendations are provided to create an awareness of different types eads and how they are used Over time many different types of

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• 2018-02-12

ASME 61 20 2M 2006 Pipe Threads 60 186 General Purpose Metric Translation These standards ANSI ASME Bl 20 1 and Bl 20 2M have product thread dimensions and gaging in the same document

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• 2018-02-12

3 The difference in engagement of the L 1 versus the L 3 plug gages shall not exceed 0 5 turn See para 1 8 4 Note Customers usually prefer to measure Dryseal Straight Pipe Threads NPSF NPSI with Go amp No Go Plug gages Go amp No Go Plug gages may be used but the parts must pass the NPTF L 1 Plug gage Dryseal Gage Selection Chart

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• 2018-02-12

National Standard Taper Pipe NPT Threads Size Chart 1 16 0 3125 27 0 16 0 2611 1 8 0 405 27 0 18 4 189 2 189 0 26 1 4 0 54 18 0 2 4 3 0 401 3 8 0 675 18 0 24 4 189 3 0 408 1 2 0 84 14 0 32 4 189 3 0 534 3 4 1 05 14 0 34 4 189 3 0 546 1 1 315 11 5 0 4 4 189 3 188 0 682 1 188 1 66 11 5 0 42 4 189 3 188 0 707 1 189 1 9 11 5 0 42 4 189 3 188 0 724 2 2 375 11 5 0 436 5 3 0 756 2 189 2 875 8 0 682 5 189 3

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• 2018-02-12

AmericanNationalcoarse threadseries Identification Basicdiameters Threaddata Threads perinch 71 Major diameter D Pitch diameterE Minor diameterK Metric equivalent ofmajor diameter Pitch V Depthof thread h Basic widthof flat Minimum widthof flatat majordi ameterof nut p 24 Helixangle atbasic pitchdi ameter s 64 56 48 40 40 32 32 24 24 20 18 16

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• 2018-02-12

Male Pipe Threads Measure the outside diameter of the large portion of the thread at A and then find the fig ure nearest this dimension in column 1 or 2 of the chart below The dimension in column 3 will be your nominal pipe thread size Pipe Threads Measure the top diameter at B Find the number nearest this dimension in column 1 or 2 of the chart below The

• Admin
• 2018-02-12

G SERIES PIPE THREAD BRITISH STANDARD PIPE PARALLEL was BSPP amp BSPF PF SERIES PIPE THREAD JAPANESE PIPE PARALLEL British Pipe Thread Whitworth Form Parallel BSPP BSPF Thread Designation Nominal Size Thread Form Type Major Diameter mm d D Pitch mm p Threads per inch Pitch Diameter mm d2 D2 Minor Diameter Male Thd d3

• Admin
• 2018-02-12

2018 05 08 nbsp 0183 32 pipe thread dimensions chart January 19 2019 admin Leave a comment AARP health insurance plans PDF download Medicare replacement PDF download AARP MedicareRx Plans United Healthcare PDF download medicare benefits PDF download medicare coverage PDF download medicare part d PDF download medicare part b PDF

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• 2018-02-12

British Standard Pipe BSP thread chart BSP thread chart showing TPI and drill sizes

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• 2018-02-12

NPT NPS threads have a 60 176 included angle and have flattened peaks and valleys this is a Sellers thread form BSP threads have a 55 176 included angle and have rounded peaks and valleys this is a Whitworth thread form NPT and BSP thread pitches threads per inch TPI are listed below To determine pitch use a thread gauge or count the number of threads that

• Admin
• 2018-02-12

Minimum Thread Engagement Bolt Failure Chart Metric 332 362 165 Nominal Diameter Stress Area Class 8 8 Class 10 9 Class 12 9 Class 8 8 Class 10 9 Class 12 9 Class 8 8 Class 10 9 Class 12 9 mm mm2 mm mm mm mm mm mm mm mm mm M6 x 1 0 6 20 13 6 1 7 7 9 0 5 6 7 1 8 3 12 3 15 5 18 2 M8 x 1 25 8 36 61 8 3 10 5 12 3 7 7 9 6 11 3 16 8