資源描述:
《常用的法蘭螺栓緊固力矩》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、常用的法蘭螺栓緊固力矩為方便使用,將操作壓力等于公稱壓力,操作溫度等于150℃條件下計算得到的緊固力矩列表如下。一般情況下可直接采用。a)法蘭壓力等級:PN15.0MPa(相當(dāng)于ANSICLASS900);螺栓材料:25Cr2MoVA;墊片形式:圓環(huán)墊;墊片材料:不銹鋼及軟鋼。表-1列出了上述條件下各種公稱直徑法蘭對應(yīng)的法蘭螺栓緊固力矩。表-1法蘭螺栓緊固力矩法蘭公稱直徑DNmm螺栓公稱直徑mm螺栓個數(shù)個單個螺栓緊固力矩,Nm不銹鋼墊片軟鋼墊片1520467.6766.462020470.1468.7925244132.43130
2、.5840274203.24200.4650248145.18142.7580248164.30161.16100308322.86318.101503012342.50338.012003612625.00618.112503616633.90627.703003620650.91645.083503920861.22851.3040042201110.641098.6545048201680.661662.0050052202189.332167.19b)法蘭壓力等級:PN15.0MPa(相當(dāng)于ANSICLASS900);螺栓
3、材料:35CrMoA;墊片型式:圓環(huán)墊;墊片材料:不銹鋼及軟鋼。表2列出了上述條件下各種公稱直徑法蘭對應(yīng)的法蘭螺栓緊固力矩。表-2法蘭螺栓緊固力矩法蘭公稱直徑DNmm螺栓公稱直徑mm螺栓個數(shù)個單個螺栓緊固力矩,Nm不銹鋼墊片軟鋼墊片1520467.6766.462020470.1468.7925244123.89122.0440274190.57187.7950248136.64134.2180248155.76152.62100308304.92300.161503012324.56320.072003612592.50585.
4、612503616601.40595.203003620618.41612.583503920819.16809.2440042201057.311045.3245048201599.091580.4250052202189.332167.19c)法蘭壓力等級:PN25.0MPa(相當(dāng)于ANSICLASS1500);螺栓材料:25Cr2MoVA;墊片型式:圓環(huán)墊;墊片材料:不銹鋼及軟鋼。表-3列出了上述條件下各種公稱直徑法蘭對應(yīng)的法蘭螺栓緊固力矩。表-3法蘭螺栓緊固力矩法蘭公稱直徑DNmm螺栓公稱直徑mm螺栓個數(shù)個單個螺栓緊固力矩
5、,Nm不銹鋼墊片軟鋼墊片1520476.9174.902020481.0578.7925244148.36145.2740274231.42226.7650248169.61165.5580308353.64346.39100338498.01488.541503612650.33640.0620042121127.311108.1825048121742.351716.1230052162196.182161.7735056162818.472770.9540064164193.824125.3045072165986.7258
6、99.2250076167225.387163.23d)法蘭壓力等級:PN25.0MPa(相當(dāng)于ANSICLASS1500);螺栓材料:35CrMoA;墊片型式:圓環(huán)墊;墊片材料:不銹鋼及軟鋼。表-4列出了上述條件下各種公稱直徑法蘭對應(yīng)的法蘭螺栓緊固力矩。表-4法蘭螺栓緊固力矩法蘭公稱直徑DNmm螺栓公稱直徑mm螺栓個數(shù)個單個螺栓緊固力矩,Nm不銹鋼墊片軟鋼墊片1520476.9174.902020481.0578.7925244139.81136.7340274218.75214.0950248161.06157.0180308
7、336.55329.29100338474.53465.061503612617.83607.5620042121073.971054.8525048121660.781634.5530052162196.182161.7735056162818.472770.9540064164193.824125.3045072165986.725899.2250076167225.387163.23e)法蘭壓力等級:PN42.0MPa(相當(dāng)于ANSICLASS2500);螺栓材料:25Cr2MoVA;墊片型式:圓環(huán)墊;墊片材料:不銹鋼及軟鋼
8、。表-5列出了上述條件下各種公稱直徑法蘭對應(yīng)的法蘭螺栓緊固力矩。表B-5法蘭螺栓緊固力矩法蘭公稱直徑DNmm螺栓公稱直徑mm螺栓個數(shù)個單個螺栓緊固力矩,Nm不銹鋼墊片軟鋼墊片1520497.1993.5120204111.58105.2325244