建筑图纸常用标准规范图例,太实用了，收藏了随时用！
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<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">建筑图纸常用的线型及其含义:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/0b98fa4269ea454c827b7b54c4a2b262~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=n6E4bbKPLoSeupY7hvu4vR05dSc%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/4f2c95c25c3f4f97b9e989f128efe93d~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=pqash2vMuPY2El%2FJwPpiU7tfALM%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">建筑图纸常用的作图比例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/a7220ec3521b4d499289f13bb9719ba9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=tXAp4it2WTcop1xIZ4B50eEfvpg%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水施工图常用的管道代号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/bd7c458fd9c34ac9bd1fda70f0d7b0a5~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=WmK4Ds3%2BP%2BGGeVto8dRhxRBiTbw%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/c46979cf0d9a4009996f3f3c82df8f2c~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=aTse6pVPhjdw%2B58yXFrfdlmu5HY%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水施工图管道工艺方面常用图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/59d67c7aaccc43cd8f7137ef5e2282dd~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=PRoyj%2BlCPlWpW3UD%2FAPcKh8AHSQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/2457f3293f034a69889f8c7f05a8f287~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=h4P9dxmvzkCsuAjdx%2Ff6yXsYYd4%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水施工图中阀门和附件常用的图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/2e41036df6164d868d1300f63284a318~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=4qPhJTUM3zs9teXGVeXWwupn4ew%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/5e764670cd704b0f93369c6414a67d2b~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=vcBh6L2pg7vvvs0viALR%2Fjr9Va8%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水施工图中卫生洁具以及工艺常用图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/6addb5ec6f2e49609db73e787ea796f9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=IpZaOvp8pMLs41ux7W3AjhbKsk8%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">通风空调工程常用图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/b1bc8a7f189e40edabc37c2350176dea~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Vxvrfbu2qAUi5ktT255GMALSUSk%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">通风空调工程中风管代号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/c4bb01be67ad498ea7faef388e33c573~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Wq22ENHRrQYB9lXqeBbHaasm1Cs%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">通风空调工程中风道、阀门及附件图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/3e4c78d9763e4ef69fb1d3e2d08c66d4~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=e4IDVtgu5QFLHpZKRf5OTmk530M%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/d56bbb0af89e4f6cbaf49b69339ffb5a~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=QADae0ox8t2HnC2BBcnDDWO7q60%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">通风空调工程中风口和附件代号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/444747c57e924e21b955549742b3d11e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=EAdB5%2BWGd6Po78DSQSQI75s3H6E%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">暖通空调工程设备图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/e1a7eb7021dc46bc8d2f93adc6fd6df5~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=VN0uG5vCeNmYnxFtFVSjkhi4HCM%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">暖通空调工程调控装置及仪表图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/ed023627da7a496b9ba2ffb551adafb8~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=S4GYDj3j1e5MWiULG9tSFDHA1kQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/4fd4f184e3764dbcbbb055c721456101~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=oP7sb6WI7BW5T1WuP%2FLqmkRNnI4%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中基本图形符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/76baf0cf6f494096a33b146156ae7196~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=nRPsBjH2DoSM2L2Ief%2FevSumL%2BU%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中辅助符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a71ec1ec6d91474d8f18c561216c998c~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=WrI%2BH%2B%2F1wYdN94O5KDLygiFBz%2Fo%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中管路及配件符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/0b2c95cbfcfb4b31abfbeeb66546fced~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=5ER5%2B8IAOOApJl6ZzY2N2LTIHsQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中管路及配件符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/0905bf2f6b1f488283acf6ee426cf868~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=mIKIj8NtnRdSGuIe2N2nEgr2vis%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中固定灭火器系统符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a0391ea3ed314ec1bfa56bfbb6152ea0~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=7JOXunSNq5%2FSIiIPZW1K%2B821PxU%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中灭火设备安装处符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/4a746cf3f62c462aacef8265817d0194~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Q%2Baq%2By92Mj%2FOsv3qaSWoaxBLaxI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中消防设施:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a6925157730749daa3a1c1e0bec743c1~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=O5mnPYRTnkVqKfggWDRtzuu3vgI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/8c4a3067a4254cf4a6bdc29e7694679d~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=PSd5RLPkETOYBj75HpTJ7scAIME%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">消防工程施工图中自动报警设备符号:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a683079d34954da2846ae0daf7cfa017~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=C0UVVeFV%2FbJs5chdJwyaQt7To2k%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水管道图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/7ef98418035944e4aeffc27cbfe9b488~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=UwiCgAEKYicPWnZA%2BDAT1Iy5Oa4%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/f93a08ae8c844b68a29ffd0f7481b240~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=JmSsxbYHqZG4XMOCg435qg63cHg%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水管道附件图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a4a65cf83a0a43ed9aabd13b572b261a~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=zO%2BLZi7iGdLuZuXDGcs8RgnD6aI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/17daf1572f3a46e69255ba36d962fd9e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=2nYfTA1ZCSXWzV2LM2ywbPithUk%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水管道连接图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/6efe94f0d7e5460f881fa73b78b718ff~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=BGuvbEJoWNtXl3FqgP7YuPsJVX8%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水管件图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/058af71d5c07463bbfa2d6da134bd604~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=fYddIDMp%2FfIiVkb%2BX1e2H6qr%2B9k%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/1318633848624432bd16c1d6aaab44e4~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Qim3CCMetZuxZnv5bdyhKEoWNXc%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给排水常见阀门图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/7e5ddf1f96a0459380de52fe0cff4aa1~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=L3Mg7dJXNM4lvDjn5P3zSuWRs3k%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给水配件图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/c6f9f9141aa04f659c3d6160c9efe535~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=FeIr6j7mYe1zj6FHXhiWD9pIItg%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">小型给水排水构筑物图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/9825b37a3420405a89e272402617ebfb~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=GhqYXLpRr7JEJbGvNV%2BAfgfPwD8%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">给水排水设备图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/b70350c5b63e4224bed91f048100bec5~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=ap9Pota%2BiL04EtkPJH5MokwNYqo%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">仪表图例:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/d12ce4d099994bfeab30a2c64d66c6c7~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=ZBmh%2F%2BDb9ufr7YQbXjFUqwU5wfI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">平面图、剖面图索引符号的画法:</strong>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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/d54367e31975492dbec21b5f10fe3143~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=r18kD4KRPe280RKfj9ccxbW1g%2Bo%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">内视符号画法:</strong>当表示局部位置的相互关系，在平面图上应标注内视符号。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/35ed6640834448948cdc9afc48e05de5~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Q2yuUn5putmLnhRMOkao%2Be6FXA8%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">关于系统编号需要注意以下几点:</strong></p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/44dc93f26eff41759ce9ffe7200d51b0~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=sjjthW5wbNOfcyRHUnivhbAl%2B5I%3D" style="width: 100%; margin-bottom: 20px;"></div>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p6-sign.toutiaoimg.com/pgc-image/33c7f533974d48d4ae1df91d8a85d7fa~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=7eGVa%2BwXFDQATzg9FRQzUQ5IT9w%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">立管号的画法：</strong>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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/6a437b1ef6f44f99965a28798b71ab04~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=T11IRyzXc1pcLO4R%2Bj3I7Gymjhw%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道相对标高的画法中需要注意以下几点:</strong></p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">3、水、汽管道所标高未予说明时，应表示为管中心标高。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/b60cfe5a5c24412ca4ce463160c12262~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=owKbS6oDf7qd3gX8DJylh1KArhM%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道截面尺寸的标注符号及画法需要注意以下几点:</strong></p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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”。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">3、塑料管外径应用“de”表示。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">4、圆形风管的截面定型尺寸应以直径“Φ”表示，单位应为mm.</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;">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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/b9cc51275e9b4ad78c8b97ec7d40ceaf~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=qKkA0f0uF%2Fxik0kPlEE6JiaNGDg%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">多条管线的规格标注方法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/195a5a70167443e2989ebff13f9a42bb~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=KSK7%2B3UbyY%2FvF8yh6Qole9BSnmc%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">风口、散流器表示方法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/63628ce47a8345f0bb0e3e6e465f4152~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=p5kmRgUELzAc3IPfSTN84HLiPIk%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">定位尺寸的表示方法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/b47e60e9fb9848be8ea207e34a1e873c~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=zX%2FIEFPTq1rr38W3C9MTFDL%2B6DU%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">单线管道转向的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/694e0246d2b54882a930aebe035f5f0e~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=jeAotpQDPcaePONJoH7eu5Y1618%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">双线管道转向的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/c98c50c9e662468cba7c5c1c75cabded~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=mHep0t%2FFWy82QNsEmkFmFa337ms%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">单线管道分支的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/27dcdfa1c09845bbbbe8a8f67782cf5b~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=20ppk3AanTkEBHpbSuLxaTuPFmI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">双线管道分支的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/07da20c5e9b64918a4b34ce6dede16d3~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=jRGRUsp1ezSL%2BYXu8t3IzAnlhQI%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">送风管转向的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/9af611e56fb44009a55c3c2270c069fb~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=ZL5fZFP0CBAUSfpIPiUbgL4ZNJA%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">回风管转向的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/0dafd641e84144678345dae7d97e6607~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=OQfA7ugxj4sH2InaSf2ej7j9%2FmA%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道断开的画法：</strong>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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/17c386f0bc884a00b3bd81986997b9ef~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=ZwebvVrJWJ64Wy1hzZB6xoUOh6Q%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道在本图中断的画法:</strong>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。</p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a8fa8e6afb6144a589a05ec56d40148a~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=hJTtcIAG5yGhy7YQK1nVmbm4uzo%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道交叉的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/d054f463115a43fdbfc40ce42e04e473~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=Oz1WdpYCY0V06VPhCKlIqjjfM4Q%3D" style="width: 100%; margin-bottom: 20px;"></div>
<p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><strong style="color: blue;">管道跨越的画法:</strong></p>
<div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/f05a3bf82cf34e8d91d8d2ac5cd326f3~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1713502045&x-signature=sAce6eQGgQdnnd%2B2KBA7X9YLPAk%3D" style="width: 100%; margin-bottom: 20px;"></div>
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