standart ,G(BSPP) , R (BSPT) , , 6211-81. BSW(British Standard Whitworth, , ) BSP(British standard pipe thread) BSPP. , , 6357-81. BSW(British Standard Whitworth) BSP(British standard pipe tapered thread), BSPT( ). 6357-81 . . 6211-81 . .ISO R228ISO R7EN 10226DIN 2999DIN 259BS 21BS 2779JIS B 0203JIS B 0202

NPSM (National pipe thread) (NPSM) ANSI/ASMEB1.20.1. 1/16" 24" ANSI/ASME B36.10M,BS 1600,BS EN 10255ISO 65. 60, =0,866025.

NPT (National pipe thread) (NPT) 1:16 ( =33448") (NPS) ANSI/ASMEB1.20.1. NPT 6111-52. 60 . NPT K. NPTF . 1/16" 24" ANSI/ASME B36.10M,BS 1600,BS EN 10255ISO 65. 60, =0,866025.

BSPBritish Standard PipeDashBSPThread pitchThread majorThread minorA/FGaugeCorresponding pipeTapping drillthreadsizediameterdiameter(mm)lengthsize (mm)size(in)/in(mm)(mm)(in)(mm)(in)(mm)DNODODThicknessBSP.PLBSP.F(TPI)(mm)(mm)(in)(mm)(Rp)(G)1116280.9077.7230.3046.5610.258340.96.66.8218280.9079.7280.3838.5650.33721540.9610.20.428.68.8414191.33713.1570.51811.4450.45061961.3813.50.532.311.511.8638191.33716.6620.65614.950.588622/236.41.31017.20.682.31515.25812141.81420.9550.82518.6330.7336278.21.81521.30.842.618.75191058141.81422.9110.90220.5890.8106162.6-211234141.81426.4411.04124.120.9496329.51.82026.91.062.624.2524.5161112.30933.2491.30930.2921.19264310.42.32533.71.333.230.430.7520114112.30941.911.6538.9531.53365312.72.33242.41.673.23939.524112112.30947.8031.88244.8461.76565712.72.34048.31.93.24545322112.30959.6142.34756.6572.23067015.92.35060.32.373.656.755740212112.30975.1842.9672.2272.843617.53.56576.133.6483112.30987.8843.4684.9273.343620.63.58088.93.54644112.309113.034.45110.0734.333625.53.5100114.34.54.5805112.309138.435.45135.4725.333528.63.5125139.75.55966112.309163.836.45160.8726.333528.63.5150165.16.55

NPT

NPT American Standard Pipe Thread Taper[4]Pipe size (inches)TPIPitchApproximateApproximate number ofApproximateNominaloutsideTap drillThreads per Inch(inches or mm)length of threadthreads turnstotal thread makeup,pipediameterOD(inches or mm)(inches or mm)to be cuthand andwrench(inches or mm)(inches or mm)116270.03703704in or 0.9407mm0.313in or 7.950mm18270.03703704in or 0.9407mm38in or 9.525mm1014in or 6.350mm0.405in or 10.287mmR0.339in or 8.6106mm14180.0555in or 1.4097mm58in or 15.875mm1138in or 9.525mm0.540in or 13.716mm716in or 11.113mm38180.05555555in or 1.4111mm58in or 15.875mm1138in or 9.525mm0.675in or 17.145mm3764in or 14.684mm12140.07142857in or 1.8143mm34in or 19.0500mm10716in or 11.1125mm0.840in or 21.3360mm2332in or 18.2563mm34140.07142857in or 1.8143mm34in or 19.0500mm1012in or 12.7000mm1.050in or 26.6700mm5964in or 23.4156mm11/11/020.08695652in or 2.2087mm78in or 22.2250mm10916in or 14.2875mm1.315in or 33.4010mm1532in or 29.3688mm1141/11/020.08695652in or 2.2087mm1in or 25.4000mm11916in or 14.2875mm1.660in or 42.1640mm112in or 38.1000mm1121/11/020.08695652in or 2.2087mm1in or 25.4000mm11916in or 14.2875mm1.900in or 48.2600mm14764in or 44.0531mm21/11/020.08695652in or 2.2087mm1in or 25.4000mm1158in or 15.8750mm2.375in or 60.3250mm2732in or 56.3563mm21280.125in or 3.1750mm112in or 38.1000mm1278in or 22.2250mm2.875in or 73.0250mm258in or 66.6750mm380.125in or 3.1750mm112in or 38.1000mm121in or 25.4000mm3.500in or 88.9000mm314in or 82.5500mm31280.125in or 3.1750mm158in or 15.8750mm131116in or 26.9875mm4.000in or 101.6000mm334in or 95.2500mm480.125in or 3.1750mm158in or 41.2750mm131116in or 26.9875mm4.500in or 114.3000mm414in or 107.9500mm41280.125in or 3.1750mm5.000in or 127.0000mm434in or 120.6500mm580.125in or 3.1750mm134in or 44.4500mm141316in or 30.1625mm5.563in or 141.3002mm5932in or 134.1438mm680.125in or 3.1750mm134in or 44.4500mm141316in or 30.1625mm6.625in or 168.2750mm61132in or 161.1313mm880.125in or 3.1750mm178in or 47.6250mm151516in or 33.3375mm8.625in or 219.0750mm1080.125in or 3.1750mm2in or 50.8000mm16112in or 38.1000mm10.750in or 273.0500mm1280.125in or 3.1750mm218in or 53.9750mm17158in or 41.2750mm12.750in or 323.8500mm1480.125in or 3.1750mm14.000in or 355.6000mm1680.125in or 3.1750mm16.000in or 406.4000mm1880.125in or 3.1750mm18.000in (457.2000mm)2080.125in or 3.1750mm20.000in (508.0000mm)2480.125in or 3.1750mm24.000in (609.6000mm)

MPT[edit]MPT means Male Pipe Thread and is a subset of NPT for male connections.FPT[edit]FPT means Female Pipe Thread and is a subset of NPT for female connections.