巴彦淖尔市SHNGHO韩国成浩SHPGX-G10L24SHPGX-G20L24SHPGX-G12L24SHPGX-G11L24SHPGX-G22L24SHPR-25P查询底价中山立讯电气/中山朗立电气***韩国AUTOMA(奥特玛)阀门,执行器,开关等等全系列产品.进口AUTOMA奥特玛气动阀AD125-125F125A5AD140-150F150A6AD50-50BF50A2AD50-65BF65A2-1/2进口AUTOMA奥特玛气动阀AD65-80BF80A3AD65-100BF100A4AD80-125BF125A5AD80-150BF150A6进口AUTOMA奥特玛气动阀AD100-200BF200A8AD100-250BF250A10AD125-300BF300A12AD140-350BF350A14进口AUTOMA奥特玛气动阀AD160-400BF400A16AD40-0.5S15A1/2AD40-0.75S20A3/4AD50-1.0S25A1进口AUTOMA奥特玛气动阀AD65-1.5S40A1-1/2AD65-2.0S50A2AD80-2.5S65A2-1/2AD80-3.0S80A3进口AUTOMA奥特玛气动阀AD100-4.0S100A4AD50-15F15A1/2AD50-20F20A3/4AD50-25F25A1进口AUTOMA奥特玛气动阀AD65-40F40A1-1/2AD65-50F50A2AD80-65F65A2-1/2AD80-80F80A3进口AUTOMA奥特玛气动阀AD100-100F100A4AD125-125F125A5AD140-150F150A6AD160-200F200A8进口AUTOMA奥特玛气动阀AD200-250F250A10AD250-300F300A12ADV-15A15A1/2ADV-20A20A3/4进口AUTOMA奥特玛气动阀ADV-25A25A1ADV-40A40A1-1/2ADV-50A50A2ADV-65A65A2-1/2进口AUTOMA奥特玛气动阀ADV-80A80A3ADV-100A100A4ADV-125A125A5ADV-150A150A6进口AUTOMA奥特玛气动阀AGV-25A25A1AGV-32A32A1-1/4AGV-40A40A1-1/2AGV-50A50A2进口AUTOMA奥特玛气动阀AGV-65A65A2-1/2AGV-80A80A3ATB***-25FATBB65-40FATBB65-50F进口AUTOMA奥特玛气动阀ATBB80-65FATBB80-80FATBB100-100FATBB125-125FATBB140-150FAGV-25Y25A1/2进口AUTOMA奥特玛气动阀AGV-20Y20A3/4AGV-25Y25A1AGV-32Y32A1-1/4AGV-40Y40A1-1/21工艺概况及控制系统配置加热炉采用蓄热式空气，煤气双预热燃烧技术，加热炉由炉尾进钢端到炉头出钢端分为四端，即预热段，加热段，第二加热段，均热段，每段设一台空气换向阀，一台煤气换向阀，空气煤气流量均可自动调节。将电动压下机构改造成为电液侍服机构，普通PID基本能满足粗轧的要求，但是由于精轧机对控制器要求很高，并且由于检测机构所带来的不可消除的滞后，严重地影响了轧机的性能，我们所进行改造的轧机同样也存在上面的情况。巴彦淖尔市SHNGHO韩国成浩SHPGX-G10L24SHPGX-G20L24SHPGX-G12L24SHPGX-G11L24SHPGX-G22L24SHPR-25P查询底价进口AUTOMA奥特玛气动阀AGY-50Y50A2AKGV-50A50A2AKGV-65A65A2-1/2AKGV-80A80A3进口AUTOMA奥特玛气动阀AKGV-100A100A4AKGV-125A125A5AKGV-150A150A6AKGV-200A200A8进口AUTOMA奥特玛气动阀AKGV-250A250A10AKGV-300A300A12AKGV-350A350A14AKGV-400A400A16进口AUTOMA奥特玛气动阀AKGV-450A450A18AKGV-500A500A20AD65-15F-2ST15A1/2AD65-20F-2ST20A3/4进口AUTOMA奥特玛气动阀AD65-25F-2ST25A1AD65-32F-2ST32A1-1/4AD65-40F-2ST40A1-1/2AD65-50F-2ST50A2进口AUTOMA奥特玛气动阀AD80-65F-2ST65A2-1/2AD80-80F-2ST80A3AD100-100F-ST100A4AD65-40F-S/V-L/S-A/S进口AUTOMA奥特玛气动阀ADG050NADG070NADG102NADG140NALS10ALS11ALS12ALS13ALS114进口AUTOMA奥特玛气动阀ALS30ALS31ALS32ALS33ALS34AS50-15F-S/V-A/S-S/CAD65-50F-S/V-L/S-A/S进口AUTOMA奥特玛气动阀AD50-20F-S/V-L/S-A/SAD80-65F-S/V-L/S-A/SAD80-80F-S/V-L/S-A/SAD100-100F-S/V-L/S-A/S进口AUTOMA奥特玛气动阀AD125-125F-S/V-L/S-A/SAD140-150F-S/V-L/S-A/SAD160-200F-S/V-L/S-A/SAD200-250F-S/V-L/S-A/S进口AUTOMA奥特玛气动阀AD250-300F-S/V-L/S-A/SAS50-15F-S/V-A/S-S/CAS50-20F-S/V-A/S-S/CAS65-25F-S/V-A/S-S/C进口AUTOMA奥特玛气动阀AS65-32F-S/V-A/S-S/CAS80-40-S/V-A/S-S/CAS80-50F-S/V-A/S-S/CAS80-65F-S/V-A/S-S/C进口AUTOMA奥特玛气动阀AS100-80F-S/V-A/S-S/CAS125-100F-S/V-A/S-S/CAS140-125F-S/V-A/S-S/CAS160-150F-S/V-A/S-S/C在装置上用水进行重量-时间法校准时要考虑密度变化的影响和浮力修正问题，流量可按下式计算式中W--衡器称得的水重量，kg,--水的密度，kg/l,t--测量时间(水流入衡器的时间)，s,--空气浮力修正系数:式中--空气的密度。从这个工作过程可以看出，影响HART变送器精度的两个关键部分分别是A/D转换和D/A转换，下面以常用的1151压力变送器举例说明应该如何选择合适的A/D和D/A转换芯片，假设要求仪表的数字精度达到0.1%。巴彦淖尔市SHNGHO韩国成浩SHPGX-G10L24SHPGX-G20L24SHPGX-G12L24SHPGX-G11L24SHPGX-G22L24SHPR-25P查询底价进口AUTOMA奥特玛气动阀AS200-200F-S/V-A/S-S/CAD40-8S3W-S/V-A/S-S/CACV111R-25A-S10AS50-15F-S/V-L/S-A/S-S/C-EX进口AUTOMA奥特玛气动阀ATM0350-CT-100FATM0080-RPC-50FACV131R-25A-S10AS100-500F-S/V-L/S-A/SACV121R-50A进口AUTOMA奥特玛气动阀ASR80-20F-S/V-L/S-A/S-EXAD50-50BF-L/SAD50-50BF-L/SACV111R-80AACV121R-15A进口AUTOMA奥特玛气动阀AS140-250BF-S/V-L/S-A/S-EXACV121R-50AASR90-50BF-S/V-L/S-A/S-M/HAD40-10S3-S/V进口AUTOMA奥特玛气动阀ACV111R-20AAS200-150F-E/P-A/SAS200-100F-S/V-L/S-A/SACV121R-15A进口AUTOMA奥特玛气动阀AD125-300BF-L/S-M/HAD50-25F-L/S-EXAD140-1300DBF-S/V-L/S-A/S-M/H-T/F进口AUTOMA奥特玛气动阀ASR125-50F3WT1-S/V-L/S-A/S-EXAD100-200HBF-L/SAD80-150HBF-L/SAD50-20F-L/S图2为6电极传感器，电极1为激励电极，管内连续相为空气情况下1-4电极对的灵敏场分布图，由图2可见，即使是在充满连续相的管道内，ECT系统的场也不是均匀分布的，管道截面各处的灵敏度变化有很大差异，越靠近场域边界的区域灵敏度越高。电磁流量传感器上游侧直管段的要求，仪表异径管上的安装当管道内流速较低，特别是大口径管道通常流速偏低，有时为满足仪表对流速范围的要求，在仪表部位局部流速，即选择传感器口径小于管道口径，在传感器的前后加接异径管。巴彦淖尔市SHNGHO韩国成浩SHPGX-G10L24SHPGX-G20L24SHPGX-G12L24SHPGX-G11L24SHPGX-G22L24SHPR-25P查询底价)