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1、分汽缸、分水器、集水器尺寸的确定1、 直径D（1）按断面流速v确定D:分汽缸按断面流速8-10m/s计算；分水器、集水器按断面流速0.1m/s计算。（2）按经验估算确定D: D=1.5-3dmax 式中D分汽缸、分水器、集水器直径，mm; dmax分汽缸、分水器、集水器支管中的最大直径，mm。2、 配管间距L1L2L3 分汽缸、分水器、集水器配管尺寸表（mm）编号管 径尺 寸d1d2d3d4L1L2L3L4L5LL6D123456789506580100125150200250300506580100125150200250300 4050506580100125150200253240404
2、050125150200250260275285300315350385420260280310330360390460530600255270285305335360410460530250255255265280295310325370245245245245245250250250250126013101370143015201610178019502180150+D/2219X6219X6219X6219X6219X6273X7325X8426X9478X9依接管管径确定配管尺寸表（mm）d1-4253240506580100125150200250300l25026028031033
3、0360390450530600Ll+240d5108X4133X4159X4.5219X6219X6椭圆封头 公称直径DN/mm曲面高度h1/mm直边高度h2/mm厚度/mm质量m/kg容积V/m3公称直径DN/mm曲面高度h1/mm直边高度h2/mm厚度/mm质量m/kg容积V/m3300752543.800.0053350882545.010.008065.7967.6287.84810.294001002546.390.01154501122547.920.015969.69612.01813.06816.17401018.030.0134401022.120.01831221.871
4、226.801425.781431.571629.781636.425001252549.620.02131841.36614.5755013725411.490.0277819.61617.38401026.620.0242823.371232.23401031.530.03131437.921238.141643.721444.861849.611651.68502058.160.02621858.6060015025413.520.0353502068.440.0337620.442275.87827.47600150401868.330.0396401036.860.039650207
5、9.541244.562288.121452.372496.821660.29常用阀门闸阀名称型号介质参数阀体材料规格公称通径DNmm1520253240506580100125150200250300350400500楔式闸阀Z41H-16C1.6MPa水、蒸汽、油品碳钢LH重量参考价-250265280300325350400450500550600-43845253062075684510411244147416631886-5791218354055801101302002804005007001200105120145190260300370460650850108015102160
6、3310-截止阀名称型号介质参数阀体材料规格公称通径DNmm1520253240506580100125150200截止阀J41H-16C1.6MPa水、蒸汽、油品灰铸铁LH重量参考价130150160180200230290310350400480600118118146171187200231381428486566648-2.12.83.65.379.81437.54575112180202528456575100180240350550-旋启式止回阀名称型号介质参数阀体材料规格公称通径DNmm506580100125150200250300350400450500600止回阀H44T-
7、101.0MPa水、蒸汽灰铸铁LH重量参考价2302903103504004805005506207208208809801180137142161178203233262299350396448484525608-13212432527410014121138745060080011907510011515020025038058082011701870-30604240-蝶阀名称型号介质参数阀体材料规格公称通径DNmm506580100125150200250300350400450500600LT型蝶阀TD371X-101.6MPa水、酸、油品灰 不铸 锈铁 钢球 碳铁 钢LH重量参考价
8、45494954585765708181901091351562162292352542672804114775715715715718008824.85.25.49.612.613.1253667.590981111231421001151501952604255596507608701580170028503840阀门型号的编制方法(1)阀门型号各单元表示的意义7654321 阀体材料 公称压力 阀座密封面或衬里材料 结构样式 连接形式 传动方式阀门类型 (2)第一单元阀门类型表示法类型闸阀截止阀节流阀球阀隔膜阀旋塞阀止回阀（底阀）安全阀减压阀疏水阀柱塞阀蝶阀代号ZJLQGXHAYSUD (3) 第二单元传动方式表示法 传动方式电磁动电磁-液动电-液动涡轮正齿轮伞齿轮气动液动气-液动电动代号0123456789 （4）第三单元连接形式表示法连接形式内螺纹外螺纹法兰焊接对夹卡箍卡套代号1246789 (5)第四单元结构形式表示法 代号阀门类型012345
