压力表接头螺纹规格表

大头根径 d1 小头扣尖 直径 d2 应力减载 槽直径 d3 椎体长度 l 镗孔直径 d0 端面扣尖 直径 d1 扣长不 小于 l1 应力减载 槽扣长 lx 外径 d 内径 d 倒角 d0 2a311：4560.80866.67547.62552.276.268.361.42392.166.779.425.42 3 /8reg 2311：4569.60576.253.93561.788.977.7970.948104.879.495.331.890.8827/8reg 3311：4582.29388.88865.07574.495.290.4983.636111.185.710838.1103.5831/2reg 4311：45110.868117.46390.46

公制粗螺纹公制细螺纹 规格标准径最大最小规格标准径最大最小规格 m1.0*0.250.750.7850.729m1.0*0.20.80.8210.783m15*1.0 m1.1*0.250.850.8850.829m1.1*0.20.90.9210.883m16*1.5 m1.2*0.250.950.9850.929m1.2*0.211.0210.983m16*1.0 m1.4*0.31.11.1421.075m1.4*0.21.21.2211.183m17*1.5 m1.6*0.351.251.3211.221m1.6*0.21.41.4211.383m17*1.0 m1.7*0.351.351.4211.321m1.7*0.21.451.51.46m18*2.0 m1.8*

粗牙普通螺纹基本尺寸 公称直径-d(毫米）螺距-t（毫米）(底孔) m10.250.8 m20.401.6 m30.502.5 m40.703.3 m50.804.2 m61.005 m71.006 m81.256.8 m91.257.8 m101.508.5 m111.509.5 m121.7510.3 m142.0012 m162.0014 m182.5015.5 m202.5017.5 m222.5019.5 m243.0021 m273.0024 m303.5026.5 m333.5029.5 m364.0032 m394.0035 m424.5037.5 m454.5040.5 m485.0043 m525.

no.1-64(1.854)1.551.5821.425no.0-80(1.524)1.251.3051.182 no.2-56(2.184)1.801.8711.695no.1-72(1.854)1.551.6121.474 no.3-48(2.515)2.102.1461.941no.2-64(2.184)1.851.9121.756 no.4-40(2.845)2.302.3852.157no.3-56(2.515)2.102.1972.025 no.5-40(3.175)2.602.6972.487no.4-48(2.845)2.402.4582.271 no.6-32(3.505)2.802.8952.642no.5-44(3.175)2.702.7402.551 no.8-32(4.166)3

公制螺纹规格一览表 2009-10-9外螺纹大径(单位mm)-----------------内螺纹小径(单位mm)----------------- 序号规格型号最大最小公差最大最小公差 1m10*19.9749.7940.1809.1578.9170.240 2m12*1.511.96811.7320.23610.67610.3760.300 3m14*1.513.96813.7320.23612.67612.3760.300 4m16*1.515.96815.7320.23614.67614.3760.300 5m18*1.517.96817.7320.23616.67616.3760.300 6m20*1.519.96819.7320.23618.67618.376

gb/t1226-2001《一般压力表》国家标准中规定，y-40压力表的连接螺纹为m10×1，y-60 压力表的连接螺纹为m14×1.5，y-100,150,200,250压力表的连接螺纹为m20×1.5。在用 户无特殊要求的情况下,制造商将按标准规定提供相应螺纹规格的压力表。bsen837-1 pressuregauges压力表欧标中规定，螺纹接头有g1/8b，g1/4b，g3/8b，g1/2b四种管螺 纹和1/8-27nptext，1/4-18nptext，1/2-14nptext三种锥管螺纹，其中g3/8b为不推荐 规格。实际上，r1/8（zg1/8），r1/4（zg1/4），r1/2（zg1/2）也是压力表常用的连接 螺纹规格 压力表新国标《一般压力表》gb/t1226-2001解读 发布日期：2010-12-23浏览数

管螺纹规格公称直径螺距公称长度钻孔深度攻丝深度钻孔直径(mm) l1(mm)l2(mm)切削丝锥挤压丝锥 尺寸牙数nd(mm)p(mm)xdl(mm)minminminmaxminmax 1/16287.7230.9070.5d3.867.945.687.907.998.428.51 1/16287.7230.9070.75d5.799.877.617.907.998.428.51 1/16287.7230.9071d7.7211.809.547.907.998.428.51 1/16287.7230.9071.5d11.5815.6713.407.907.998.428.51 1/16287.7230.9072d15.4519.5317.26

公制外螺纹规格表

mm sizethreaddesignationclassmaxminmaxminmax 0.25m0.25x0.0756g0.2500.2350.2010.1870.160 m0.25x0.0754g6g0.2500.2350.2010.1930.160 0.3m0.3x0.086g0.3000.2840.2480.2340.204 m0.3x0.084g6g0.3000.2840.2480.2390.204 m0.3x0.096g0.3000.2830.2420.2260.192 m0.3x0.094g6g0.3000.2830.2420.2330.192 0.35m0.35x0.096g0.3500.3330.2920.2770.242 m0.35x0.094g6g0.350

101520253240506580100 1/4"1/2"3/4"1"11/4"11/2"2"21/2"3"4" 钢管a17.221.326.933.742.448.360.376.188.9114.3 外径b141825323845577689108 125150200250300350400450500600 5"6"8"10"12"14"16"18"20"24" 钢管a139.7168.3219.1273323.9355.36406.4457508610 外径b133159219273325377426480530630 700800900100012001400160018002000 28"32"

螺栓规格顶帽直径顶帽长度螺距顶帽倒角 m4740.70.3 m58.550.80.3 m610610.3 m812.581.250.3 m1015101.50.5 m1218121.750.5 m14211420.5 m16241620.5 m2030202.51 m24362431 m3042303.51 m36503641.6 m4258424.21.6

公制螺纹/英制螺纹规格一览表 发布时间：10-06-21来源：点击量：5424字段选择：大中小 2009-10-9 外螺纹大径（单位mm）－－－－－－－ －－－－－－－－－- 内螺纹小径（单位mm）－－－－－－－ －－－－－－－－－- 序号规格型号最大最小公差最大最小公差 1m10*19.9749.7940.1809.1578.9170.240 2m12*1.511.96811.7320.23610.67610.3760.300 3m14*1.513.96813.7320.23612.67612.3760.300 4m16*1.515.96815.7320.23614.67614.3760.300 5m18*1.517.96817.7320.23616.67616.3760.30

螺紋規格表 平行螺紋 螺紋的種類記號規格螺紋山的角度size推拔牙規規格 公制普通螺紋 jisb0205b0215jisb0251 jisb02094h、5h、6h、7h 公制細螺紋jisb0207b0215 4h、6h、8g、8g jisb0052 m jisb02111~300 公制普通螺紋 jisb0205jisb0251 jisb0209 1級、2級、3級 付屬書 公制細螺紋 jisb0207jisb0252 jisb0211付屬書 美制普通螺紋uncjisb0206no.1~43b、2b、1bjisb0255jisb0210 美制細螺紋unfjisb0208no.0~11/23a、2a、1aji

yzg12-1接表阀接头 yzg12-1vavleconnectortometer dd0ls代号codeno. m20×1.5左84514yzg12-1 yzg12-2压力表组合接头 yzg12-2manometercombinedconnector d1d2dlis代号codeno. zg1/8"m10×14261014yzg12-2-zg1/8"-m10×1 zg1/8"m12×1.254271217yzg12-2-zg1/8"-m12×1.25 zg1/8"m14×1.54311319yzg12-2-zg1/8"-m14×1.5 zg1/8"m20×1.54321327yzg12-2-zg1/8"-m20×1.5 zg1/8"g1/2"4321327yzg1

螺纹底孔径 公制粗牙螺纹jisb0209-1982(单位：mm) 螺纹尺寸钻头直径 崁合度区分：中 (注1)2级(注2) 下孔径 崁合度区分：中 (注1)2级(注2) 内螺纹小径 最小直径最大直径 m1×0.250.750.78(80%)0.7290.785 1.1×0.250.850.88(80%)0.8290.885 1.2×0.250.950.98(80%)0.9290.985 1.4×0.31.11.14(80%)1.0751.142 1.6×0.351.251.32(75%)1.2211.321 1.8×0.351.451.52(75%)1.4211.521 2×0.41.61.65(80%)1.5671.679 2.2×0.4

螺纹尺寸螺纹尺寸 （英寸）大径中径小径（英寸）psigmpapsigmpa 5/16247.9387.2496.7925/1624456831.5456831.5 7/162011.11310.2879.7387/1620456831.5456831.5 1/22012.711.87511.3251/220456831.5362625 9/161814.28813.32512.5599/1618456831.5362625 3/41619.0518.01917.3313/416456831.5362625 1-1/161226.98825.61324.6951-1/1612362625290020 1-5/161233.33831.96331.0

第一章国标螺纹的一般知识 一.螺纹的分类 1.螺纹分内螺纹和外螺纹两种； 2.按牙形分可分为：１）三角形螺纹２）梯形螺纹３）矩形螺纹４）锯齿形螺纹； 3.按线数分单头螺纹和多头螺纹； 4.按旋入方向分左旋螺纹和右旋螺纹两种,右旋不标注，左旋加lh，如m24×1.5lh； 5.按用途不同分有：米制普通螺纹、用螺纹密封的管螺纹、非螺纹密封的管螺纹、60°圆锥管螺 纹、米制锥螺纹等 二.米制普通螺纹 1.米制普通螺纹用大写m表示，牙型角2α=60°（α表示牙型半角）； 2.米制普通螺纹按螺距分粗牙普通螺纹和细牙普通螺纹两种； 2.1.粗牙普通螺纹标记一般不标明螺距，如m20表示粗牙螺纹；细牙螺纹标记必须标明螺距， 如m30×1.5表示细牙螺纹、其中螺距为1.5。 2.2.普通螺纹用于机械零件之间的连接和紧固，一

npt英制螺纹标准与技术数据 螺纹规格螺距外径c1底径螺纹标号螺牙角度备注 npt1/41.41113.6161860 npt3/81.41117.0551860 npt1/21.81421.2231460 npt5/81.81426.5681460 npt12.20833.227111/260 npt11/42.20841.984111/260 npt11/22.20848.053111/260 npt22.20860.091111/260 npt21/23.17572.699860 npt33.17588.608860 npt31/23.175100.013860 pt：美国标准的60度锥管螺纹 美制一般密封管螺纹的基本尺寸： 尺寸 代号 牙数

公称直径螺距 dpal2 m110.25 m1.11.10.25 m1.21.20.25 m1.41.40.3 m1.61.60.35 m1.81.80.35 m220.4 m2.22.20.45 m2.52.50.45 m330.52.2411481.8 m3.53.5-0.62.5502 m440.73.152.5 m4.54.5-0.753.552.8 m550.8416583.15 m664.5193.55 m775.6194.57 m886.35 m997.15.6 m10102480 m11112585 m12121.75929897.110 m141411.23095912 m161612.5321021

通过改进原有压力表接头,设计出一种截至式压力表接头,该接头在实际应用中卸掉压力表时能瞬间封闭管线中油气液向外刺漏,提高管线安全性。

名义尺寸大径螺距 每英寸牙 数中径小径牙型高底孔直径 bammmmtpimm外螺纹h1mm d=dpd2=d2d3 no.14ba10.23110.40.860.720.140.75 no.13ba1.20.25101.61.050.90.150.95 no.12ba1.30.2890.711.130.960.171 no.11ba1.50.3181.931.3151.130.1851.2 no.10ba1.70.3572.571.491.280.211.35 no.9ba1.90.3965.121.6651.430.2351.5 no.8ba2.20.4359.071.941.680.261.8 no.7ba2.50.48

小径大径 最大最小公差最大最小公差最大最小最大最小公差最大最小公差 m3×0.52.982.8740.1062.6552.580.0752.43932.7752.6750.1002.5992.4590.140 m4×0.73.9783.8380.1403.5233.4330.0903.2243.6633.5450.1183.4223.2420.180 m5×0.84.9764.8260.1504.4564.3610.0954.1154.6054.480.1254.3344.1340.200 m6×15.9745.7940.1805.3245.2120.1124.89165.55.350.1505.1534.9170.236 m8×1.257.972