管道DN400-40是什么意思 管道规格为DN50，DN是什么意思
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DN\u662f\u7ba1\u9053\u516c\u79f0\u76f4\u5f84(nominal diameter)\uff0c\u53c8\u79f0\u5e73\u5747\u5916\u5f84(mean outside diameter)\u7684\u8868\u793a\u65b9\u6cd5\u3002\u662f\u6307\u5bb9\u5668\u3001\u7ba1\u9053\u53ca\u5176\u9644\u4ef6\u7684\u6807\u51c6\u5316\u76f4\u5f84\u7cfb\u5217\u3002\u91c7\u7528\u516c\u79f0\u76f4\u5f84\u6709\u5229\u4e8e\u5b9e\u73b0\u96f6\u90e8\u4ef6\u7684\u6807\u51c6\u5316\uff0c\u4e5f\u65b9\u4fbf\u4e8e\u8bbe\u8ba1\u3001\u5236\u9020\u3001\u4fee\u914d\u548c\u7ba1\u7406\uff0c\u964d\u4f4e\u5236\u9020\u6210\u672c\u3002
DN50\uff0c\u5373\u516c\u79f0\u76f4\u5f84\u4e3a50mm\u7684\u7ba1\u5b50\u3002
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\u516c\u79f0\u76f4\u5f84\u7528\u5b57\u6bcd\u201cDN\u201d\u540e\u9762\u7d27\u8ddf\u4e00\u4e2a\u6570\u5b57\u6807\u5fd7\u6765\u8868\u793a\uff0c\u4f5c\u4e3a\u6807\u5fd7\u7b26\u53f7\uff0c\u7b26\u53f7\u540e\u9762\u6ce8\u660e\u5355\u4f4d\u4e3a\u6beb\u7c73\u7684\u5c3a\u5bf8\u3002\u516c\u79f0\u76f4\u5f84\u662f\u94f8\u94c1\u7ba1\u3001\u6709\u7f1d\u94a2\u7ba1\u3001\u6df7\u51dd\u571f\u7ba1\u7b49\u7ba1\u5b50\u7684\u6807\u79f0\uff0c\u4f46\u65e0\u7f1d\u94a2\u7ba1\u4e0d\u7528\u6b64\u8868\u793a\u6cd5\u3002 \u4f8b\u5982DN50\uff0c\u5373\u516c\u79f0\u76f4\u5f84\u4e3a50mm\u7684\u7ba1\u5b50\u3002\u82f1\u5bf8NB\uff08inch\uff09\u4e0e\u516c\u79f0\u76f4\u5f84DN\uff08mm\uff09\u3001\u5916\u5f84OD\uff08mm\uff09\uff0c\u7684\u5173\u7cfb\u5982\u4e0b\uff1a
NB(inch)-----DN(mm)------OD(mm)
1/2--------------15 ----------21.3
3/4--------------20 ----------26.7
1-------------- 25 ------------33.4
1 1/4 ------------ 32---------42.2
1 1/2------------40 ----------48.3
2-------------- 50 ------------60.3
2 1/2--------- 65 ------------73.0
3-------------- 80 ------------88.9
4-------------100 ------------114.3
5-------------125 ------------139.8
6-------------150 ------------168.3
8-------------200-------------219.1
绛旓細DN100-褎108mm,DN125-褎133mm DN150-褎159mm,DN200-褎219mm DN250-褎273mm,DN300-褎325mm DN350-褎377mm,DN400-褎426mm DN450-褎480mm,DN500-褎530mm DN600-褎630mm 绠′欢鐨1/2 3/4 1,1216 2025浠ｈ〃浠涔 1/2 銆3/4銆1鏄鏉愭爣鍑嗕腑鐨勫叕绉扮洿寰,鍒嗗埆淇楃О:鍗婂鎴4鍒嗐6鍒嗐1瀵绠鎴栫浠剁殑鍚...
绛旓細绠′簳400锛绠闀40绫筹紝瀹夎鍧″害0.007
绛旓細DN40-褎45mm锛孌N50-褎57mm DN65-褎73mm锛孌N80-褎89mm DN100-褎108mm锛孌N125-褎133mm DN150-褎159mm锛孌N200-褎219mm DN250-褎273mm锛孌N300-褎325mm DN350-褎377mm锛DN400-褎426mm DN450-褎480mm锛孌N500-褎530mm DN600-褎630mm 闂鍥涳細绠￠亾鐨勫叕绉扮洿寰鏄粈涔堟剰鎬锛熷拰鍐呭緞銆佸寰勬湁浣...
绛旓細鏈枃涓昏瑙ｇ瓟鐨勬槸DN500绠″緞鐨勬爣鍑嗗昂瀵搞傚湪宸ヤ笟绠￠亾绯荤粺涓紝DN锛堝痉鍒跺叕绉扮洿寰勶級鏄竴绉嶅父瑙佺殑灏哄琛ㄧず鏂规硶銆傛牴鎹彁渚涚殑淇℃伅锛屾垜浠彲浠ョ湅鍒颁笉鍚屽昂瀵哥殑绠￠亾瀵瑰簲濡備笅锛欴N500鐩稿綋浜1鑻卞鐨勭閬擄紝鍏跺叕绉板寰勪负110姣背锛1瀵11/4褎40锛夈傚鏋滈渶瑕佹洿灏忕殑绠″緞锛屽DN400锛屽畠鐩稿綋浜1瀵稿崐锛屽寰勪负50姣背锛1'/_40褎...
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绛旓細1/8" 6 10.3 1/4" 8 13.7 3/8" 10 17.1 1/2" 0.84 15 21.3 18 21.3 3/4" 1.05 20 26.9 25 26.7 27.2 1" 1.315 25 33.7 32 33.4 34 11/4" 1.66 32 42.4 38 42.2 42.7 11/2" 1.9 40 48.3 45 48.3 48.6 2" 2.375 50 ...
绛旓細dn160閾搁搧绠″寰 甯哥敤鐨勯摳閾佹帓姘寸鐨勫父瑙勮鏍煎涓嬶紝閾搁搧鎺掓按绠＄殑闀垮害涓鑸负4m鎴6m锛屽叾浠栭暱搴︾敱渚涢渶鍙屾柟鍗忓晢纭畾銆傚叕绉板寰勫垎鍒负32姣背锛40姣背锛50姣背锛75姣背锛90姣背锛110姣背锛125姣背锛160姣背锛180200姣背锛250姣背銆315姣背锛400姣背锛500姣背锛630姣背绛夈傝瀵熻〃闈㈢‖搴﹀拰鎶楁媺寮哄害浼橈紝绠￠亾瀹夊叏绯绘暟楂...
绛旓細铦堕榾鐨勮鏍煎瀷鍙烽氬父鏍规嵁鍏跺叕绉伴氬緞杩涜鍒嗙被锛屽叕绉伴氬緞鏄寚铦堕榾鍦ㄦ爣鍑嗙姸鎬佷笅鎵鑳介氳繃鐨勬渶澶ф祦浣撶寰勩傚父瑙佺殑鍏О閫氬緞鏈塂N10銆丏N15銆丏N20銆丏N25銆丏N32銆丏N40銆丏N50銆丏N65銆丏N80銆丏N100銆丏N125銆丏N150銆丏N200銆丏N250銆丏N300銆丏N350銆DN400銆丏N450銆丏N500鍜孌N600绛夛紝瀵瑰簲鐨勮嫳鍒跺昂瀵镐负1/2"銆3/4"銆1"...
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绛旓細9124-2010 閽㈠埗绠娉曞叞 2銆佹妧鏈潯浠舵湰鏍囧噯瑙勫畾鐨勫帇鍔涙爣璁板垎涓篜N鏍囪鍜孋lass鏍囪銆侾N鏍囪鏈12涓帇鍔涚瓑绾у垎鍒负锛歅N2.5;PN6;PN10;PN16;PN25;PN40;PN63;PN100;PN160;PN250;PN320;PN400Class鏍囪鏈6涓帇鍔涚瓑绾у垎鍒负锛欳lass 150;Class 300;Class 600;Class 900;Class 1500;Class 2500 ...
