大口径电磁流量计的口径可达3000mm，对于超大口径的电磁流量计的安装要比小口径的安装麻烦的多，为保证流量计能正确计量，仪器仪表技术人员对超大口径电磁流量计的安装应注意的事项提供给用户，予以参考。 

内蒙快三YI、ANZHUANGGONGYIDEGUANJIANKONGZHIDIAN XIANCHANGANZHUANGGUOCHENGZHONG，WEILEBUYINGXIANGJILIANGXITONGDEJIANCEJINGDU，BIXUYANGEMANZUXIASHUGONGYIYAOQIU。

 

 1、DIANJIZHOUXIANBAOCHISHUIPING。DIANCILIULIANGJICHUANGANQIANZHUANGSHI，2GEDIANJIDEZHOUXIANBIXUZAISHUIPINGFANGXIANGSHANG。

 

内蒙快三 2、BEICEJIEZHICHONGMANCELIANGGUAN。CELIANGGUANNEIBAOZHENGCHONGMANSHUI，BUNENGYOUFEIMANGUANHUOYOUQIPAOJUJIZAICELIANGGUANZHONGDEXIANXIANG。 

 

内蒙快三3、MANZULIUDONGFANGXIANGYUZHIGUANDUANYAOQIU。CHUANGANQISHANGJIANTOUSUOZHIDEFANGXIANGWEIJIEZHILIUDONGDEZHENGFANGXIANG;CHAODAKOUJINGDIANCILIULIANGJI(CHUANGANQIYUZHUANHUANQIFENTIANZHUANG)SHEJIJUNANZHUANGZAIGUANDAODELIULIANGJIJINGNEI。WEILEBAOZHENGJILIANGZHUNQUE，BIXUBAOZHENGLIULIANGJIQIAN10D/HOU2DZHIGUANDUANYAOQIU(DWEIGONGCHENGZHIJING)。 

 

二、大口径电磁流量计内蒙快三安装过程的工艺质量 

 

内蒙快三1、CHUANGANQIYUSHENSUOJIEDEZUZHUANG ANCHUANGANQISHANGDEJIANTOUZAILIULIANGJIDEXIAYOUCEANZHUANGJIEDIHUANJISHENSUOJIE，BINGJIANGSHENSUOJIEYUDIAOJIEWEI**DUANZHUANGTAI。 

 

内蒙快三2、LIULIANGJIJINGNEIDUANKOU LIULIANGJIJINGNEIDUANKOUBUZHOURUXIA： (1)QUERENANZHUANGCHUANGANQIDUANKOUBUWEI，JINGQUECELIANGDUANGUANCHICUN(ANSHENSUOJIESHENZHANHOUCHICUN)。 (2)GUANDAODUANKOUQUKAITIANCHUANG，JINRUGUANNEIZUOMIZIXINGGANGZHICHENG，QUEBAOGUANDAOYUANDU，FANGZHIDUANKOUHOUGUANDUANBIANXINGERYINGXIANGFALANANZHUANG。 (3)DUANKOUHOU，ZAILIANGCEGUANDUANYONGJIXIEFANGFACHULIPOKOU，DADAOHANJIEFALANYAOQIU。 

 

3、DIAOZHUANG ZUZHUANGHOUDECHUANGANQIJIASHENSUOJIE，ZONGZHONGYUE6t，XIANCHANGCAIYONG25tQICHEQIZHONGJIDIAOZHUANGJIUWEI。DIAOZHUANGJIUWEIHOU，DIAOJIESHIFANGSHENSUOJIE，ZAISHANGYOUFALANYUCHUANGANQIZHIJIANJIAZHUANGJIEDIHUAN、MIFENGDIAN，CHUANRULUOSHUANZHAOZHENGBINGJINGU;TONGYANGZAIXIAYOUFALANYUSHENSUOJIEZHIJIANJIAZHUANGMIFENGDIAN、CHUANRULUOSHUANBINGJINGU。 

 

4、 FALANHANJIE DIAOZHENGGUANDAOSHANGXIAYOUFALAN、JIEDIHUANHEMIFENGDIANDEWEIZHI，JINGULUOSHUAN，BINGDIANHANGUDING。CHAICHUSHANGXIAYOUFALANYUJINGULUOSHUAN，DIAOJIESHOUSUOSHENSUOJIE，SHISHANGXIAYOUFALANTUOLILIULIANGJIJISHENSUOJIE，FALANNEICELIUCHUSHIHANKONGJIAN。FALANNEIWAICAIYONGJIAOHANFENGFANGSHIHANJIESHANGXIAYOU2PIANFALAN。 

 

5、HANKOUWUSUNJIANCEYUFANGFUCHULI (1)JIANCEBIAOZHUNYUHEGEDENGJI SUOYOUFALANJIEKOUJIAOHANFENGXUJINXINGWUSUNJIANCE，CAIYONGDIANCITANSHANGFANGSHI，JIANCHABILIWEI100%。ZHILIANGYINGFUHEBIAOZHUNJB4730-2005DEERJIYAOQIU。RUOJIANCHACHUGUANDAOFALANDEHANFENGYOUCHAOBIAOQUEXIAN，YINGJISHICHULI，**ZHONGSHIFUJIANHEGE。RENHEHANFENGZHINENGXIUBUYICI。 (2)NEICEFANGFUFALANHANFENGWAI FALANDEGANGZHIGUANJIANNEIWAIFANGFUYUGANGGUANBENTICHULIFANGSHIXIANGTONG，FALANHANFENGWAIFANGFUTUSHUAGAIXINGLVHUANGHUAJUYIXIFANGFUTULIAO;FALANNEIFANGFUTULIAOWEIYINYONGSHUIJIWUDUHUANYANGTULIAO。NEIDUOCEJUNCAIYONGERDIERMIANTUCENG。 

 

内蒙快三6、CHUANGANQISHENSUOJIEZHENGTIJINGUDINGWEI SHANGXIAYOUFALANHANFENGJINGTANSHANGHEGEHOU，JINRUCHUANGANQISHENSUOJIEZHENGTIJINGUDINGWEIGONGXU。 (1)DIAOJIESHIFANGSHENSUOJIE，ZAISHANGYOUFALANYUCHUANGANQIZHIJIAN，JIAZHUANGJIEDIHUAN、MIFENGDIAN，CHUANRULUOSHUANBINGJINGU。 (2)ZAIXIAYOUFALANYUSHENSUOJIEZHIJIANJIAZHUANGMIFENGDIAN，CHUANRULUOSHUANBINGJINGU。 (3)ANDUICHENGFANGSHI，JINGUQUANBUFALANLUOSHUANBINGANZHUANGDINGWEICHUANGANQIYUSHENSUOJIE。 

 

内蒙快三7、XITONGSHUIYASHIYAN CHUANGANQIYUSHENSUOJIEZHENGTIANZHUANGJIESHUHOU，YINGSUISHUSHUIGUANDAOYITONGJINXINGSHUIYASHIYAN。SHIYANYALIWEI1.5BEIGONGZUOYALI。SHUIYASHIYANHEGEHOU，KEYITOURUYUNXING。

 

SAN、DAKOUJINGDIANCILIULIANGJICELIANGGUANDAOJIEZHI

ZAIDAKOUJINGDIANCILIULIANGJIZHONG，CELIANGGUANNEIDEDAODIANJIEZHIXIANGDANGYUFALADIlIZHONGDEDAODIANJINSHUGAN，SHANGXIALIANGDUANDELIANGGEDIANCIXIANQUANCHANSHENGHENGDINGCICHANG。DANGYOUDAODIANJIEZHILIUGUOSHIZEHUICHANSHENGGANYINGDIANYA。PEIDIANGELIQIGUANDAONEIBUDELIANGGEDIANJICELIANGCHANSHENGDEGANYINGDIANYA。CELIANGGUANDAOTONGGUOBUDAODIANDENEICHENXIANGJIAO，TEFULONGDENGSHIXIANYULIUTIHECELIANGDIANJIDEDIANCIGELI。

 

内蒙快三SI、DAKOUJINGBIAOZHUNBIAODUIBIFA

ZAIDAKOUJINGLIULIANGJISUOZAIGUANDAOSHANGANZHUANGYIGEBIAOZHUNBIAO，TONGBUJILUZAIXIANLIULIANGJIHEBIAOZHUNBIAODELIULIANGYIHOUZHEZUOWEIBIAOZHUNZHI，JISUANZAIXIANLIULIANGJIDEWUCHAJINERDIAOZHENGZAIXIANLIULIANGJIXISHU，YIDADAOJIANCEXIAOZHUNZAIXIANLIULIANGJIDEMUDE。

 

五、大口径电磁流量计现场规范

内蒙快三ANZHUANGCHANGSUODEYAOQIU:1)CELIANGHUNHEXIANGLIUTISHI，XUANZEBUHUIGONGiQIXIANGFENLIDECHANGSUO.CELIANGSHUANGZUFENYETISHI，BIMIANZHUANGZAIHUNHESHANGWEIJUNYUNDEXIAYOU.CELIANGHUAXUEFANYINGGUANDAOSHI，YAOZHUANGZAIFANYINGCHONGFENWANCHENGDUANDEXIAYOU.2)JINKENENGBIMIANCELIANGGUANNEIBIANCHENGFUYA.3)XUANZEZHENDONGXIAODECHANGSUO，TEBIEDUIYITIXINGYIBIAO..4)BIMIANFUJINYOUDADIANJI、DABIANYAQIDENG，YIMIANYINQIDIANCICHANGGANRAO.5)YIYUSHIXIANCHUANGANQIDANDUJIEDIDECHANGSUO.6)JINKENENGBIKAIZHOUWEIHUANJINGYOUGAONONGDUFUSHIXINGQITI.7)HUANJINGWENDUZAIYI2 5/YI10YI50/600℃FANWEINEI，YITIXINGJIEGOUWENDUHAISHOUZHIYUDIANZIYUANQIJIAN，FANWEIYAOZHAIXIE.8)JINKENENGBIMIANSHOUYANGGUANGZHIZHAO。

LIU、DAKOUJINGDIANCILIULIANGJIXUANXING

型号	口径
SC-LDG	10~2600
		代号	安装形式
		Y	一体式
		F	分体式
			代号	转换器型号
			ZA	圆形
			ZB	方形（仅适用于分体式）
				代号	供电形式
				AC	（交流）220V AC 50Hz(90~245V AC 50Hz)
				DC	（直流）24V DC (20~36V DC)
				LD	锂电池供电（不带信号输出）
					代号	输出信号(可多选)
					I.4	4~20mA
					f	频率 1KHz
					Rs	串行通讯（485）
					H	HART协议
					C	控制输出
						代号	防爆要求
						N	无防爆
						EX	防爆
							代号	介质温度
							T1	≤65℃
							T2	≤120℃
							T3	≤180℃(仅适用于分体式）
								代号	内衬材质
								NE	氯丁橡胶（≤65℃）
								PVC	聚氯乙烯（≤70℃）
								PU	聚氨酯 耐磨(≤80℃)
								PTFE	聚四氟乙烯（≤180℃）
									代号	电极材质
									316L	不锈钢
									HC	哈氏合金C
									Ti	钛
									Ta	钽
									Pt	铂

 

大口径电磁流量计流量范围：

内径（ mm ）	10	15	20	25	32	40	50	65
Qmin(m3/h) Qmax(m3/h)	0.0283 4.24	0.0636 9.54	0.12 16.96	0.176 26.5	0.29 43.42	0.452 67.85	0.7 106.0	1.19 179.0
内径（ mm ）	80	100	125	150	200	250	300	350
Qmin(m3/h) Qmax(m3/h)	1.8 271.0	2.28 424.0	4.41 662.0	6.36 954.0	11.3 1690	17.6 2650	25.4 3810	34.6 5190
内径（ mm ）	400	450	500	550	600	700	800	900
Qmin(m3/h) Qmax(m3/h)	45.2 6780	57.2 8570	77.6 10600	85.8 12800	101.0 15200	138.0 20700	180.0 27100	229.0 34300
内径（ mm ）	1000	1100	1200	1400	1600	1800	2000	2200
Qmin(m3/h) Qmax(m3/h)	282.0 42400	342.0 51300	407.0 61000	554.1 83121	732.7 108566	916.0 137404	1131.0 169635	1368.4 205258