线型及其含义：

比例：

水、汽管道代号：

工艺管道施工图常用图例：

水、汽管道阀门和附件图例：

给排水、采暖常用图例：

通风空调工程常用图例：

风道代号：

风道、阀门及附件图例：

风口和附件代号：

暖通空调设备图例：

调控装置及仪表图例：

各种执行机构可与风阀、水阀组合 表示相应功能的控制阀门。

消防工程基本图形符号：

消防工程辅助符号：

消防工程灭火器符号：

消防管路及配件符号：

消防工程固定灭火器系统符号：

消防工程灭火设备安装处符号：

消防设施：

消防工程自动报警设备符号：

管道图例：

管道附件：

管道连接：

管件：

常见阀门：

给水配件：

小型给水排水构筑物：

给水排水设备：

仪表：

管道和设备布置平面图、剖面图示例：

管道和设备布置平面图应按假象除去上层板后俯视规则绘制，其相应的垂直剖面图应在平面图中表明剖切符号。

标准层平面图

平、剖面示例

平面图、剖面图索引符号的画法：

平面图、剖面图中的局部需另绘详图时，应在平、剖面图上标注索引符号。索引符号的画法见下图。

索引符号的画法

内视符号画法：

当表示局部位置的相互关系，在平面图上应标注内视符号。

内视符号画法

系统编号：

1、一个工程设计中同时有供暖、通风、空调等两个及以上的不同系统时，应进行系统编号。

2、暖通空调系统编号、入口编号，应由系统代号和顺序号组成。

3、系统代号用大写拉丁字母表示，顺序号用阿拉伯数字表示。当一个系统出现分支时，可采用下图的画法。

系统代号

立管号的画法

竖向布置的垂直管道系统，应标注立管号，在不一致引起误解时，可只标注序号，但应与建筑轴线编号有明显区别。

立管号的画法

管道相对标高的画法：

1、在无法标注垂直尺寸的图样中，应标注标高。标高应以m为单位，并应精确到cm或mm。

2、标高符号应以直角等腰三角形表示。当面标准层较多时，可只标注与本层楼（地）板面的相对标高。

3、水、汽管道所标高未予说明时，应表示为管中心标高。

4、水、汽管道标注管道外底或顶标高时，应在数字前加“底”或“顶”字样。

5、矩形风管所注标高应表示管底标高；圆形风管所注标高应表示管中心标高。当不采用此方法标注时，应进行说明。

6、平面图中无坡度要求的管道标高可标注在管道截面尺寸后的括号内。必要时，应在标高数字前加“底”或“顶”的字样。

相对标高的画法

管道截面尺寸的标注符号及画法：

1、低压流体输送用焊接管道规格应标注公称通径或压力。公称通径的标记应由字母“DN”后跟一个以亳米表示的数值组成；公称压力的代号应为“PN”。

2、输送流体用无缝钢管、螺旋缝或直缝焊接钢管、铜管、不锈钢管，当需要注明外径和壁厚时，应用“D（或Φ）外径×壁厚”表示。在不致引起误解时，也可采用公称通径表示。

3、塑料管外径应用“de”表示。

4、圆形风管的截面定型尺寸应以直径“Φ”表示，单位应为mm.

5、矩形风管（风道）的截面定型尺寸应以“A×B”表示。“A”应为该视图投影面的边长尺寸，“B”应为另一边尺雨。A、B单位均应为mm。

6、水平管道的规格宜标注在管道的上方；竖向管道的规格宜标注在管道的左侧。双线表示的管道，其规格可标注在管道轮廓线内。

管道截面尺寸的画法

多条管线的规格标注方法：

多条管线规格的画法

风口、散流器表示方法：

风口、散流器的表示方法

定位尺寸的表示方法：

定位尺寸的表示方式

单线管道转向的画法：

单线管道转向的画法

双线管道转向的画法：

双线管道转向的画法

单线管道分支的画法：

单线管道分支的画法

双线管道分支的画法：

双线管道分支的画法

送风管转向的画法：

送风管转向的画法

回风管转向的画法：

管道断开的画法

平面图、剖视图中管道因重叠、密集需断开时，应采用断开画法。

管道断开的画法

管道在本图中断的画法：

管道在本图中断，转至其他图面表示（或由其他图面引来）时，应注明转至（或来自的）的图纸编号。

管道在本图中断的画法

管道交叉的画法：

管道交叉的画法

管道跨越的画法：

管道跨越的画法

","gnid":"96bf3ce7db9b915d1","img_data":[{"flag":2,"img":[{"desc":"","height":"1332","title":"","url":"https://p0.ssl.img.360kuai.com/t0169d7a682bd527725.jpg","width":"1080"},{"desc":"","height":"335","title":"","url":"https://p0.ssl.img.360kuai.com/t01779a9f0f74f48c75.jpg","width":"1080"},{"desc":"","height":"1229","title":"","url":"https://p0.ssl.img.360kuai.com/t014228980b32043ef9.jpg","width":"1080"},{"desc":"","height":"1452","title":"","url":"https://p0.ssl.img.360kuai.com/t01d03313ccca65af5f.jpg","width":"979"},{"desc":"","height":"1317","title":"","url":"https://p0.ssl.img.360kuai.com/t01733878c2aabbc59f.jpg","width":"779"},{"desc":"","height":"703","title":"","url":"https://p0.ssl.img.360kuai.com/t0103ac1cba4779b650.jpg","width":"849"},{"desc":"","height":"2100","title":"","url":"https://p0.ssl.img.360kuai.com/t01aad111d175f7cb35.jpg","width":"762"},{"desc":"","height":"1937","title":"","url":"https://p0.ssl.img.360kuai.com/t011802c9331450ef98.jpg","width":"938"},{"desc":"","height":"1299","title":"","url":"https://p0.ssl.img.360kuai.com/t01c42754d2201361e2.jpg","width":"825"},{"desc":"","height":"544","title":"","url":"https://p0.ssl.img.360kuai.com/t014cd1a95e8bb56df4.jpg","width":"839"},{"desc":"","height":"692","title":"","url":"https://p0.ssl.img.360kuai.com/t01dd32b4f85692d54b.jpg","width":"744"},{"desc":"","height":"1323","title":"","url":"https://p0.ssl.img.360kuai.com/t0127c63e9ffdd065c0.jpg","width":"938"},{"desc":"","height":"1131","title":"","url":"https://p0.ssl.img.360kuai.com/t01dc79724e6edf591c.jpg","width":"938"},{"desc":"","height":"1528","title":"","url":"https://p0.ssl.img.360kuai.com/t0199b468cf5acf7ee5.jpg","width":"938"},{"desc":"","height":"2008","title":"","url":"https://p0.ssl.img.360kuai.com/t01513e4a8aa9c54a80.jpg","width":"915"},{"desc":"","height":"1532","title":"","url":"https://p0.ssl.img.360kuai.com/t01d82b80e506d61c27.jpg","width":"643"},{"desc":"","height":"604","title":"","url":"https://p0.ssl.img.360kuai.com/t01e40a9b2916ec148f.jpg","width":"631"},{"desc":"","height":"402","title":"","url":"https://p0.ssl.img.360kuai.com/t017fd9f73dd4b18dbd.jpg","width":"825"},{"desc":"","height":"737","title":"","url":"https://p0.ssl.img.360kuai.com/t0180df24cb65a3b2cd.jpg","width":"709"},{"desc":"","height":"429","title":"","url":"https://p0.ssl.img.360kuai.com/t0182f2a3e839b82a8a.jpg","width":"803"},{"desc":"","height":"689","title":"","url":"https://p0.ssl.img.360kuai.com/t0147271253d2fef171.jpg","width":"767"},{"desc":"","height":"355","title":"","url":"https://p0.ssl.img.360kuai.com/t0174f8109fa207ad3a.jpg","width":"690"},{"desc":"","height":"248","title":"","url":"https://p0.ssl.img.360kuai.com/t01ebc2cf37cf9e5c2b.jpg","width":"679"},{"desc":"","height":"1160","title":"","url":"https://p0.ssl.img.360kuai.com/t0150cfe93dc19a5dad.jpg","width":"743"},{"desc":"","height":"1209","title":"","url":"https://p0.ssl.img.360kuai.com/t012cc7369421beafe8.jpg","width":"743"},{"desc":"","height":"519","title":"","url":"https://p0.ssl.img.360kuai.com/t017c50432a9f399ef1.jpg","width":"780"},{"desc":"","height":"831","title":"","url":"https://p0.ssl.img.360kuai.com/t01ecc5572dc99c0dcd.jpg","width":"803"},{"desc":"","height":"686","title":"","url":"https://p0.ssl.img.360kuai.com/t011836769e38ebba67.jpg","width":"803"},{"desc":"","height":"682","title":"","url":"https://p0.ssl.img.360kuai.com/t018bc8a72ae4ffd47a.jpg","width":"469"},{"desc":"","height":"1038","title":"","url":"https://p0.ssl.img.360kuai.com/t0108d8910233763b7e.jpg","width":"733"},{"desc":"","height":"922","title":"","url":"https://p0.ssl.img.360kuai.com/t01234f5646e29b0689.jpg","width":"803"},{"desc":"","height":"1021","title":"","url":"https://p0.ssl.img.360kuai.com/t01ac715cca728758b2.jpg","width":"731"},{"desc":"","height":"784","title":"","url":"https://p0.ssl.img.360kuai.com/t01f22629ccf62d3bd8.jpg","width":"430"},{"desc":"","height":"1187","title":"","url":"https://p0.ssl.img.360kuai.com/t01a54c3a8dc5b771ec.jpg","width":"672"},{"desc":"","height":"900","title":"","url":"https://p0.ssl.img.360kuai.com/t01029f9e90120cb433.jpg","width":"767"},{"desc":"","height":"922","title":"","url":"https://p0.ssl.img.360kuai.com/t01a169610bcf90e289.jpg","width":"743"},{"desc":"","height":"1275","title":"","url":"https://p0.ssl.img.360kuai.com/t01195101f5213c388f.jpg","width":"684"},{"desc":"","height":"1347","title":"","url":"https://p0.ssl.img.360kuai.com/t01cdc5b5022f3308af.jpg","width":"661"},{"desc":"","height":"389","title":"","url":"https://p0.ssl.img.360kuai.com/t01af47e48e6f25197b.jpg","width":"660"},{"desc":"","height":"362","title":"","url":"https://p0.ssl.img.360kuai.com/t01f7e2a6984b17a228.jpg","width":"605"},{"desc":"","height":"230","title":"","url":"https://p0.ssl.img.360kuai.com/t01517270b46bc91792.jpg","width":"795"},{"desc":"","height":"177","title":"","url":"https://p0.ssl.img.360kuai.com/t01474a1497763a3777.jpg","width":"692"},{"desc":"","height":"351","title":"","url":"https://p0.ssl.img.360kuai.com/t01d8857634892abe5c.jpg","width":"903"},{"desc":"","height":"282","title":"","url":"https://p0.ssl.img.360kuai.com/t014f1c3edf13555c38.jpg","width":"795"},{"desc":"","height":"174","title":"","url":"https://p0.ssl.img.360kuai.com/t01e1cce9e2497246b6.jpg","width":"663"},{"desc":"","height":"106","title":"","url":"https://p0.ssl.img.360kuai.com/t0198adc5e104346bc1.jpg","width":"260"},{"desc":"","height":"177","title":"","url":"https://p0.ssl.img.360kuai.com/t01bb8a2342e7ad7777.jpg","width":"620"},{"desc":"","height":"240","title":"","url":"https://p0.ssl.img.360kuai.com/t01ca041d4aefd8d17a.jpg","width":"673"},{"desc":"","height":"151","title":"","url":"https://p0.ssl.img.360kuai.com/t01e4873c3ceba619be.jpg","width":"677"},{"desc":"","height":"109","title":"","url":"https://p0.ssl.img.360kuai.com/t010676848b5a0d0eeb.jpg","width":"705"},{"desc":"","height":"158","title":"","url":"https://p0.ssl.img.360kuai.com/t01faa5743dbe9450e6.jpg","width":"513"},{"desc":"","height":"184","title":"","url":"https://p0.ssl.img.360kuai.com/t01cc55a80dda572fdf.jpg","width":"579"},{"desc":"","height":"174","title":"","url":"https://p0.ssl.img.360kuai.com/t01d8c2c725808f309b.jpg","width":"580"},{"desc":"","height":"222","title":"","url":"https://p0.ssl.img.360kuai.com/t017b545f17882352b2.jpg","width":"593"},{"desc":"","height":"332","title":"","url":"https://p0.ssl.img.360kuai.com/t01d34b054a52d6ac4d.jpg","width":"573"},{"desc":"","height":"315","title":"","url":"https://p0.ssl.img.360kuai.com/t01daac3173beaeb8b0.jpg","width":"551"},{"desc":"","height":"156","title":"","url":"https://p0.ssl.img.360kuai.com/t01c41f2b228021279b.jpg","width":"610"},{"desc":"","height":"183","title":"","url":"https://p0.ssl.img.360kuai.com/t014ab5f164862126f8.jpg","width":"412"},{"desc":"","height":"183","title":"","url":"https://p0.ssl.img.360kuai.com/t0189683f0bc2bf9e2b.jpg","width":"479"},{"desc":"","height":"248","title":"","url":"https://p0.ssl.img.360kuai.com/t01603b94e48dd40128.jpg","width":"515"}]}],"original":0,"pat":"art_src_0,fts0,sts0","powerby":"cache","pub_time":1689230515000,"pure":"","rawurl":"http://zm.news.so.com/84f69cf98eb0e218109c5652cc326b6d","redirect":0,"rptid":"463b02760b3b8e73","rss_ext":[],"s":"t","src":"范文分享大王","tag":[],"title":"收藏！超全CAD图例符号画法大全

冷骆战1252快速排污阀型号有哪些?
慕睿盲19485316370 ______ 快速排污阀型号常见的有Z44H、Z48H快速排污阀、P45F截止型排污阀、TP41Y阀套式排污阀、PJ61Y-320、排污球阀等等. Z44H、Z48H快速排污阀较为常见,是一种运用最广泛的快速排污阀. KTP41Y阀套式快速排污阀,这是一种能节流、截止的排污阀门,节流的效果明显并且密封性能好. QP41M/F-25C排污球阀,这种排污阀的性能十分稳定,密封性能好,并且其耐高温、耐磨损、耐腐蚀的性能也很不错,被广泛的运用于石油、化工、橡胶等各大领域.

冷骆战1252阀门型号,Q41F46 - 10K,DN50,日标法兰,请问表示的是?
慕睿盲19485316370 ______ 首先,你这个型号并不是日标,10K不是日标压力等级,10是指PN10(1.0MPa),K是指阀体材质为可锻铸铁. 另外,Q 球阀,4 法兰连接,1 浮动球 直通式,F46 阀座的材料,DN50 公称通径 F46是四氟乙烯和六氟丙烯的共聚物,是聚全氟乙丙烯(FEP),六氟丙烯的含量约15%左右,是聚四氟乙烯的改性材料.

冷骆战1252电磁阀有二位三通电磁阀还有哪些种
慕睿盲19485316370 ______ 1、电磁阀从原理上分为三大类:1)直动式电磁阀:原理:通电时,电磁线圈产生电... 入口压力通过旁通孔迅速腔室在关阀件周围形成下低上高的压差,流体压力推动关闭...

冷骆战1252电磁阀型号及价格有哪些?
慕睿盲19485316370 ______ 一、电磁阀型号及价格 说到电磁阀型号及价格,电磁阀从原理上分为三大类:直动式电磁阀、分步直动式电磁阀、先导式电磁阀.电磁阀选型首先应该依次遵循安全性,可靠性,适用性,经济性四大原?则,其次是根据六个方面的现场工况(即管道参数、流体参数、压力参数、电气参数、动作方式、特殊要求进行选择)我们首先来说说是电磁阀型号. 在选择电磁阀型号的时候,通常要考虑这样几个因素:可靠性、经济性、适用性和安全性.不过相比之下,经济性并非必须要考虑的因素.

冷骆战1252福建标光阀门的XD371X - 10/16型对夹式信号蝶阀的主要用途?
慕睿盲19485316370 ______ 手动对夹式蝶阀的 用途:手动对夹式蝶阀的蝶板安装于管道的直径方向.在蝶阀阀体圆柱形通道内,圆盘形蝶板绕着轴线旋转,旋转角度为0°-90°之间,旋转到90°时,阀门则牌全开状态.蝶阀不仅在石油、煤气、化工、水处理等一般工业上得到广泛应用,而且还应用于热电站的冷却水系统. 分类:常用的蝶阀有对夹式蝶阀和法兰式蝶阀两种.对夹式蝶阀是用双头螺栓将阀门连接在两管道法兰之间,法兰式蝶阀是阀门上带有法兰,用螺栓将阀门上两端法兰连接在管道法兰上.

冷骆战1252谁知道电磁阀主要分类有哪些?
慕睿盲19485316370 ______ 电磁阀主要分类:电磁阀从阀结构和材料上的不同与原理上的区别,分为六个分支小类:直动膜片结构、分步直动膜片结构、先导膜片结构、直动活塞结构、分步直动活塞结构、先导活塞结构.

冷骆战1252QQ堂探险中
慕睿盲19485316370 ______ 每一次你在QQ堂玩时输了有2分,赢了最多可拿60多分,等你到了一定的分数时就会升一级.也可到QQ堂商店去转1Q币一次的奖,运气好的话,就能拿到好多积分,就可以升级了,也可以买红包,运气好的话,也能拿到好多积分.如果没有Q币那就只能慢慢来了. 祝你好运.

冷骆战1252尘埃落定是什么意思?
慕睿盲19485316370 ______ 你好,意思是:1、尘埃虽然在空中飘浮,最终要落到地面.2、比喻事情经过许多变化,终于有了结果;或经过一阵混乱后将结果确定下来.形容结局已定,再也没有会挽回的余地.希望可以帮助到你.

冷骆战1252阀门是标准件吗?为什么阀门零部件如填料压盖、螺栓、螺母、阀杆螺母?
慕睿盲19485316370 ______ 应该是的,阀门的标准是针对阀门整体指定的标准,也就是阀门的歌零部件组装成阀门以后需要满足一定的要求,阀门的标准并未对阀门的零部件有非常具体的要求.而零部件如填料压盖、螺栓、螺母、阀杆螺母垫片等标准就是为了满足组装成阀门后阀门整体要求而制定的各个零件标准.

冷骆战1252考研科目里有301数学一是什么意思
慕睿盲19485316370 ______ 定义考研数学301和数学一,其实就是一个意思.301是数学一的代号.推荐用书:高数:同济5版或6版 .线代:同济5版.概率:浙大版.选择几本辅导用书、然后再做真题.数学一考试科目:高等数学、线性代数、概率论.a、高等数学:函数、极限、连续;一元函数微分;一元函数积分;多元函数微积分学;常微分方程.b、线性代数:行列式;矩阵;向量;线性方程组;矩阵的特征值和特征向量;二次型.c、概率论与数理统计:随机事件和概率;随机变量及其概率分布;二维随机变量及其概率分布;随机变量的数字特征;大数定律和中心极限定理;数理统计的基本概念;参数估计;假设检验.