銅制閥門一般要求草案NEQASMEB三

1、附 錄 C（規(guī)范性附錄）閥門的無損檢驗(yàn)要求C.1 范圍本章規(guī)定了特殊壓力級(jí)閥門的鑄造、鍛造、滾壓、軋制和組焊閥體、閥帽、閥蓋的無損檢驗(yàn)要求 及缺陷排除和修復(fù)規(guī)則。C.2 概述 鑄造、鍛造、滾壓、軋制或焊接材料，按材料技術(shù)條件要求熱處理后檢驗(yàn)，至于在機(jī)加工前或機(jī) 加工后進(jìn)行由制造廠決定。表面應(yīng)清潔，不能隱蔽不可接受的表面缺陷。檢驗(yàn)表面（見 C.3.1.2 和 C.3.2.2 ）不包括螺紋、鉆孔或螺紋孔，如用于螺栓連接、裝密封件、閥桿或輔助連接孔的表面。C.3 規(guī)定的檢查C.3.1 鑄件C.3.1.1 射線檢查要求作射線檢查的閥體、閥帽或閥蓋的部位如圖 C.1 至 C.11 所規(guī)定的典型部位，圖示

2、 A 段為要求 的拍攝覆蓋范圍，用tm的倍數(shù)表示，tm是由6.1確定的最小壁厚要求值。規(guī)定A段長度為3tm或70mn取其較大者。但是，在某些情況下規(guī)定的 A值會(huì)超出圖C.1至C.11所示要求的拍攝覆蓋面。例如，圖C.6的閥體頸部或通道拍攝部位可能容納不了規(guī)定的整個(gè)A值。在這種情況下，可通過提供真實(shí)的拍攝范圍示意圖來表示要求。如果規(guī)定的整個(gè)覆蓋寬度 A會(huì)導(dǎo)致實(shí)際拍攝延伸到鄰接的邊棱和岔口部位，則該 A 值可以縮小到實(shí)際的最大值，覆蓋范圍作小量變動(dòng)是允許的。所采用的射線檢查程序和驗(yàn)收標(biāo)準(zhǔn)應(yīng)符合 JB/T 6440 的規(guī)定。C.3.1.1.1 閥體a） 在閥體焊接端，從閥體端部往回延伸3tm或70m

3、m中較大值一段距離的環(huán)帶區(qū)。b）在閥體頸部，對(duì)自密封閥門從閥體頂部向下延伸，對(duì)螺栓連接閥門是從法蘭背面向下延伸一個(gè) 等于3t m或 70mm中較大值的一段距離的環(huán)帶區(qū)。c） 在閥座和閥體之間的區(qū)域內(nèi)取等于3tm或70mm中較大值寬度，并包含該相接處約210°的扇形帶區(qū)，如圖 C.1 所示。C.3.1.1.2 閥蓋填料函與閥蓋封板或法蘭的相接處，如圖 C.1 所示。C.3.1.1.3 蓋板a）帶凸臺(tái)面或不帶凸臺(tái)面的平蓋板（見圖 C.11 ）不要求作定量檢驗(yàn)。b） 對(duì)于蝶形蓋板（見圖 C.10），在蝶形部分與法蘭部分相接區(qū)域取寬度等于3tm或70mm中較大值 的環(huán)帶區(qū)域。C.3.1.2

4、表面檢驗(yàn)磁粉檢驗(yàn)應(yīng)按 JB/T 6439 的程序和驗(yàn)收標(biāo)準(zhǔn)、液體滲透檢驗(yàn)應(yīng)按 JB/T 6902 的程序和驗(yàn)收標(biāo)準(zhǔn)。C.3.1.3 超聲波檢查超聲波檢查應(yīng)按JB/T 6903的程序和驗(yàn)收標(biāo)準(zhǔn)。檢驗(yàn)覆蓋范圍應(yīng)為圖C.1至圖C.11所示的典型部位。C.3.2 鍛件、棒料、板材和管材產(chǎn)品C.3.2.1 超聲波檢驗(yàn)和驗(yàn)收按 JB/T 6903 的規(guī)定。射線檢查和驗(yàn)收按 JB/T 6440 的規(guī)定。C.3.2.1.1 閥體通道端部圓筒形部分和閥體頸部。C.3.2.1.2閥蓋填料函和法蘭之間的環(huán)形部分。C.3.2.1.3閥瓣a）帶凸面的或不帶凸面的平蓋板（見圖 C.11 ）不需作定量檢驗(yàn)。b） 對(duì)于蝶形蓋

5、板（見圖 C.10），在蝶形部分與法蘭部分相接附近取寬度等于3tm或70mm中較大值的環(huán)帶區(qū)。如果檢驗(yàn)中超聲波顯示由于晶粒大小的原因無法理解，則該材料應(yīng)采用C.3.1.1 要求的程序作射線檢驗(yàn)。厚度小于 12.7mm的截面中有超過4.8mm長的線狀顯示，厚度在 12.7mm至25.4mm厚的截 面中有超過9.7mm長線狀顯示，厚度大于 25.4mm的截面中有超過19.1mm長的線狀顯示則定為不合格。C.3.2.2 表面檢驗(yàn)閥體、閥蓋的所有外表面和可觸及的內(nèi)表面都應(yīng)進(jìn)行表面檢驗(yàn)。碳鋼和合金鋼應(yīng)進(jìn)行磁粉檢驗(yàn)或液 體滲透檢驗(yàn)；不銹鋼應(yīng)進(jìn)行液體滲透檢驗(yàn)。磁粉檢驗(yàn)應(yīng)按JB/T 6439的程序和驗(yàn)收標(biāo)準(zhǔn)、

6、液體滲透檢驗(yàn)應(yīng)按JB/T 6902的程序和驗(yàn)收標(biāo)準(zhǔn)。C.3.3 組焊件由鑄件、鍛件、棒料、管材、板材坯件混合組焊成的閥體和閥蓋應(yīng)按相應(yīng)的方法進(jìn)行檢驗(yàn)，對(duì)鑄件，用的方法；對(duì)鍛件、滾壓件或軋制件用的方法。所有組焊縫按 GB 150.4-2011和的規(guī)定進(jìn)行無損檢驗(yàn)。K剖視x-xA 圖C.1 閘閥閥體（自密封閥蓋）圖C.2 Y型截止閥閥體（自密封閥蓋）Hi剖視X X和丫 一丫注：閥蓋與Y型截止閥閥蓋相同圖C.3角閥閥體（自密封閥蓋）剖視XX圖C.4 下彎閥體（自密封閥蓋）A割視X-X圖C.5 閘閥閥體（法蘭連接的閥蓋）剖視X-X圖C.6 截止閥閥體（法蘭連接的閥蓋）圖C.7 蝶閥閥體90'剖

7、視WW利Z-Z剖觀XX和Y丫圖C.8 旋塞閥閥體A I剖規(guī)X-X圖C.9 管道閘閥閥體（自密封閥蓋）圖C.10 蝶形閥蓋圖C.11 蓋板附錄D（規(guī)范性附錄）特殊壓力級(jí)閥門壓力-溫度額定值D.1第1.1組材料：WCB A105長期使用于溫度大于 425 C時(shí)，鋼中的碳化物相可能轉(zhuǎn)化為石墨。表D.1特殊壓力級(jí)閥門壓力-溫度額定值溫度°C公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.985.1710.3415.5125.8643.0977.571001.985.1610.3315

8、.4925.8243.0377.451501.965.1010.2115.3125.5242.5376.552001.945.0610.1115.1725.2942.1475.862501.945.0510.1115.1625.2642.1175.793001.945.0510.1115.1625.2642.1175.793251.925.0110.0215.0325.0641.7675.173501.874.899.7814.6724.4640.7673.373751.814.719.4214.1323.5539.2570.654001.664.348.6813.0221.7036.1765

9、.104251.383.607.1910.7917.9829.9653.934501.102.885.758.6314.3823.9643.144750.842.184.366.5410.918.1632.695000.561.472.944.417.3512.2422.045380.280.741.482.223.696.1611.08D.2第1.2組材料：WCC長期使用于溫度大于 425 C時(shí)，鋼中的碳化物相會(huì)轉(zhuǎn)化為石墨。LCC LC2、LC3使用溫度不大于 345 C。表D.2 特殊壓力級(jí)閥門壓力-溫度額定值溫度C公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa

10、-29382.005.1710.3415.5125.8643.0977.57502.005.1710.3415.5125.8643.0977.571002.005.1710.3415.5125.8643.0977.571502.005.1710.3415.5125.8643.0977.572002.005.1710.3415.5125.8643.0977.512502.005.1710.3415.5125.8643.0977.573002.005.1710.3415.5125.8643.0977.573252.005.1710.3415.5125.8643.0977.573501.985.11

11、10.2215.3325.5542.5876.643751.934.849.6714.5124.1940.3172.564001.934.348.6813.0221.7036.1765.104251.83.607.1910.7917.9829.9653.934501.442.885.758.6314.3823.9643.144751.072.144.276.4110.6817.8032.045000.721.452.904.347.2412.0121.725380.370.741.482.223.696.1611.08D.3 第 1.3 組材料：LCB LC1 使用溫度不大于 345Co 16

12、Mn 16MnD 16MnDR Q345RWC1使用溫度不大于470C，使用正火加回火的材料。表D.3 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29382.004.809.6014.4124.0140.0172.03502.004.809.6014.4124.0140.0172.031002.004.809.6014.4124.0140.0172.031502.004.809.6014.4124.0140.0172.032002.004.809.6014.4124.0140.0172.032502.004.809.6014.

13、4124.0140.0172.033002.004.809.6014.4124.0140.0172.033252.004.809.5914.3923.9839.9671.933501.984.739.4614.1923.6539.4170.943751.934.498.9913.4822.4737.4667.424001.934.088.1612.2320.3933.9861.174251.713.416.8310.2417.0628.4451.194501.352.705.408.1013.4922.4940.484750.981.963.925.889.7916.3229.385000.6

14、91.382.774.156.9211.5320.765380.370.741.482.223.696.1611.08D.4第1.4組材料：09MnNiDR 09MnNiD長期使用溫度不大于 260C。D.4 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.704.438.8613.3022.1636.9466.49501.704.438.8613.3022.1636.9466.491001.704.438.8613.3022.1636.9466.491501.704.438.8613.3022.1636.9466.49

15、2001.704.438.8613.3022.1636.9466.492501.704.438.8613.3022.1636.9466.493001.654.308.6012.9021.5035.8364.493251.614.208.3912.5920.9934.9862.963501.564.078.1412.2120.3433.9161.033751.523.957.9111.8619.7632.9459.294001.463.827.6311.4519.0831.7957.234251.243.236.469.6916.1526.9248.454501.022.675.348.0113

16、.3522.2540.054750.681.763.525.298.8114.6826.435000.491.292.583.876.4410.7419.335380.280.741.482.223.696.1611.08D.5 第1.7組材料：F2、WC4 WC5使用正火加回火的材料，使用溫度不大于538C。表D.5 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.985.1710.3415.5125.8643.0977.571001.985.171

17、0.3415.5125.8643.0977.571501.985.1710.3415.5125.8643.0977.572001.985.1710.3415.5125.8643.0977.572501.985.1710.3415.5125.8643.0977.573001.985.1710.3415.5125.8643.0977.573251.985.1710.3415.5125.8643.0977.573501.985.1510.2815.4325.7142.8677.143751.935.0610.1015.1525.2542.0975.744001.935.0310.0615.0625.

18、1241.8375.324251.904.969.9314.8924.8241.3774.464501.814.739.4414.1423.5839.3170.764751.644.288.5512.8221.3735.6364.135001.283.346.6710.0116.6827.8050.035380.671.743.495.238.7214.5326.155500.601.573.154.727.8713.1223.625750.340.901.792.694.497.4813.46D.6第1.9組材料 WC6 F11使用正火加回火的材料，使用溫度不大于595Co14CrMo、14

19、CrMoR表D.6 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.985.1710.3415.5125.8643.0977.571001.985.1710.3415.5125.8643.0977.571501.985.1710.3415.5125.8643.0977.572001.985.1710.3415.5125.8643.0977.572501.985.1710.3415.5125.8643.0977.573001.985.1710.3415.

20、5125.8643.0977.573251.985.1710.3415.5125.8643.0977.573501.985.1510.2815.4325.7142.8677.143751.935.0610.1015.1525.2542.0975.744001.935.0310.0615.0625.1241.8375.324251.904.969.9314.8924.8241.3774.464501.814.739.4414.1423.5839.3170.764751.644.288.5512.8221.3735.6364.135001.233.226.439.6516.0826.8048.24

21、5380.711.863.725.589.3115.5127.925500.611.593.184.777.9413.2423.835750.421.102.203.305.509.1716.516000.290.761.532.293.826.3611.456250.200.531.061.602.664.447.996500.140.350.711.061.772.955.32D.7第1.10組材料：WC9 F22使用正火加回火的材料，使用溫度不大于595C。表D.7 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力).11 1 1.°C205067110150260420760分級(jí)表

22、示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.985.1710.3415.5125.8643.0977.571001.985.1610.3215.4925.8143.0277.431501.955.1010.1915.2925.4842.4676.432001.935.0210.0415.0725.1141.8575.342501.925.0010.0014.9924.9941.6574.973001.914.989.9614.9324.8941.4874.673251.904.969.9214.8824.8041.3374.393501

23、.894.929.8414.7624.6041.0073.813751.874.889.7514.6324.3840.6373.134001.874.889.7514.6324.3840.6373.134251.874.889.7514.6324.3840.6373.134501.814.739.4414.1423.5839.3170.764751.644.288.5512.8221.3735.6364.135001.373.567.1510.7117.8629.7553.545380.882.304.616.9111.5219.2134.575500.751.953.915.869.7716

24、.2829.315750.501.322.633.956.5810.9719.746000.330.861.722.584.307.1712.916250.210.561.121.672.794.658.376500.140.350.711.061.772.955.32D.8第1.13組材料：C5 F5a使用正火加回火的材料，1Cr5Mo表D.8 特殊壓力級(jí)閥門壓力-溫度額定值溫度°C公稱壓力205067110150260420760分級(jí)表示的工作壓力 MPa-29382.005.1710.3415.5125.8643.0977.57502.005.1710.3415.5125.86

25、43.0977.571002.005.1710.3415.5125.8643.0977.571502.005.1710.3415.5125.8643.0977.572002.005.1710.3415.5125.8643.0977.572502.005.1710.3415.5125.8643.0977.573002.005.1710.3415.5125.8643.0977.573252.005.1710.3415.5125.8643.0977.573501.985.1510.2815.4325.7142.8677.143751.935.0610.1015.1525.2542.0975.7440

26、01.935.0310.0615.0625.1241.8375.324251.904.969.9314.8924.8241.3774.464501.814.529.0313.5522.5937.6567.764751.643.486.9610.4517.4129.0252.235001.342.675.348.0213.3622.2740.095380.861.713.435.148.5714.2825.715500.751.513.014.527.5312.5522.595750.561.112.223.335.559.2516.666000.390.781.562.343.896.4911

27、.686250.250.501.001.502.494.167.486500.150.300.590.891.482.464.43D.9第1.14組材料：C12、F9使用正火加回火的材料，ZG14Cr9Mo1G表D.9 特殊壓力級(jí)閥門壓力-溫度額定值溫度C公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29382.005.1710.3415.5125.8643.0977.57502.005.1710.3415.5125.8643.0977.571002.005.1710.3415.5125.8643.0977.571502.005.1710.3415.5125.86

28、43.0977.572002.005.1710.3415.5125.8643.0977.572502.005.1710.3415.5125.8643.0977.573002.005.1710.3415.5125.8643.0977.573252.005.1710.3415.5125.8643.0977.573501.985.1510.2815.4325.7142.8677.143751.935.0610.1015.1525.2542.0975.744001.935.0310.0615.0625.1241.8375.324251.904.969.9314.8924.8241.3774.46450

29、1.814.739.4414.1423.5839.3170.764751.644.288.5512.8221.3735.6364.135001.373.567.1510.7117.8629.7553.545380.842.194.376.5610.9318.2232.805500.721.873.755.629.3715.6228.125750.501.312.613.926.5310.8919.606000.340.901.792.694.497.4813.466250.240.621.241.863.115.189.326500.170.440.891.332.223.696.65D.10

30、 第 1.15 組材料：C12A、F91。表D.10 特殊壓力級(jí)閥門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29382.005.1710.3415.5125.8643.0977.57502.005.1710.3415.5125.8643.0977.571002.005.1710.3415.5125.8643.0977.571502.005.1710.3415.5125.8643.0977.572002.005.1710.3415.5125.8643.0977.572502.005.1710.3415.5125.8643.0977.5730

31、02.005.1710.3415.5125.8643.0977.573252.005.1710.3415.5125.8643.0977.573501.985.1510.2815.4325.7142.8677.143751.935.0610.1015.1525.2542.0975.744001.935.0310.0615.0625.1241.8375.324251.904.969.9314.8924.8241.3774.464501.814.739.4414.1423.5839.3170.764751.644.288.5512.8221.3735.6364.135001.373.567.1510

32、.7117.8629.7553.545381.102.905.798.6914.5124.1743.515501.102.905.798.6914.5124.1743.515751.092.865.718.5714.3023.8342.886000.932.444.877.3112.1920.3136.566250.701.833.655.489.1315.2127.386500.481.242.483.726.2110.3418.62D.11第1.17組材料：F12、F5使用正火加回火的材料，使用溫度不大于595CoZG15Cr1MoG 15CrMo 15CrMoR0表D.11 特殊壓力級(jí)閥

33、門壓力-溫度額定值溫度公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.975.1510.3015.4525.7542.9277.251001.945.0610.1315.1925.3142.1975.941501.914.979.9414.9124.8641.4374.572001.914.979.9414.9124.8641.4374.572501.904.969.9214.8824.8041.3374.393001.884.909.8114.7124.5240.8673.55325

34、1.864.869.7214.5724.2940.4872.873501.834.789.5714.3523.9239.8771.763751.804.719.4114.1223.5339.2170.594001.804.719.4114.1223.5339.2170.594251.804.719.4114.1223.5339.2170.594501.654.308.6012.9121.5135.8564.534751.333.486.9610.4517.4129.0252.235001.022.675.348.0213.3622.2740.095380.661.713.435.148.571

35、4.2825.715500.581.513.014.527.5312.5522.595750.421.102.203.305.509.1716.516000.290.761.512.273.786.3011.356250.190.501.001.502.494.167.486500.110.300.590.891.482.464.43D.12第2.1組材料：304、CF8溫度大于538 C時(shí)，只能使用含碳量大于等于0.04%的材料。CF3使用溫度不大于 425 C。06Cr19Ni10、304H、CF10表D.12 特殊壓力級(jí)閥門壓力-溫度額定值溫度C公稱壓力20506711015026042

36、0760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.0977.57501.945.0510.1015.1525.2542.0875.741001.754.569.1213.6822.8038.0068.391501.584.138.2612.3920.6534.4261.962001.483.857.7011.5419.2432.0757.722501.393.637.2510.8818.1330.2254.393001.323.456.9010.3517.2528.7551.753251.293.376.7510.1216.8728.1150.603

37、501.273.316.619.9216.5327.5549.603751.243.246.489.7216.2027.0048.604001.223.176.359.5215.8726.4547.614251.203.126.259.3715.6226.0446.874501.173.066.129.1815.3025.4945.894751.153.016.019.0215.0325.0545.095001.132.965.918.8714.7824.6444.355381.102.865.738.5914.3123.8542.945501.092.845.688.5114.1923.65

38、42.575751.002.615.217.8213.0321.7239.096000.812.114.226.3310.5517.5831.656250.661.723.455.178.6214.3625.856500.541.412.824.227.0411.7321.126750.451.172.343.515.849.7417.537000.411.072.133.205.338.8916.007250.350.921.852.774.627.7013.867500.280.741.482.213.676.1211.037750.220.581.141.722.854.768.5680

39、00.180.440.881.322.203.666.568160.140.340.721.071.792.965.31D.13第22組材料：316、317、CF8MI溫度大于538C時(shí)，只能使用含碳量大于等于0.04%的材料。CF3M CG3M使用溫度不大于 455C。CF8a使用溫度不大于 345Co CG8M使用溫度不大于 538Co06Cr17Ni12Mo2、06Cr19Ni13Mo3、317、317H表D.13特殊壓力級(jí)閥門壓力-溫度額定值溫度C公稱壓力205067110150260420760分級(jí)表示的工作壓力MPa-29381.985.1710.3415.5125.8643.09

40、77.57501.955.0810.1615.2525.4142.3576.231001.814.719.4214.1323.5539.2470.641501.654.308.5912.8921.4835.8064.442001.533.987.9611.9419.9033.1759.702501.433.737.4511.1818.6331.0455.883001.353.537.0610.5917.6429.4152.933251.323.456.8910.3417.2328.7251.703501.303.386.7710.1516.9228.2150.773751.283.336.67

41、10.0016.6727.7950.024001.263.296.579.8616.4327.3849.294251.253.256.519.7616.2627.1148.794501.233.226.449.6616.1026.8348.294751.233.206.409.6016.0026.6648.005001.223.176.349.5115.8626.4347.575381.102.905.798.6914.5124.1743.515501.102.905.798.6914.5124.1743.515751.092.865.718.5714.3023.8342.886000.952.494.987.4612.4420.7337.326250.761.983.955.939.8816.4729.656500.611.583.174.757.9113.1923.746750.491.292.583.876.4510.75