孔(Kong)板(Ban)流(Liu)量(Liang)计(Ji)取(Qu)压(Ya)方(Fang)式(Shi)的(De)选(Xuan)择(Ze)

　(?)　(?)孔(Kong)板(Ban)流(Liu)量(Liang)计(Ji)的(De)取(Qu)压(Ya)方(Fang)式(Shi)有(You)很(Hen)多(Duo)，(?)包(Bao)括(Kuo)环(Huan)室(Shi)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)、(?)角(Jiao)接(Jie)单(Dan)独(Du)钻(Zuan)孔(Kong)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)、(?)法(Fa)兰(Lan)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)、(?)径(Jing)距(Ju)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)以(Yi)及(Ji)小(Xiao)口(Kou)径(Jing)孔(Kong)板(Ban)，(?)其(Qi)中(Zhong)：(?)

　(?)　(?)1、(?)角(Jiao)接(Jie)单(Dan)独(Du)钻(Zuan)孔(Kong)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)：(?)属(Shu)标(Biao)准(Zhun)孔(Kong)板(Ban)。(?)当(Dang)管(Guan)径(Jing)在(Zai)400毫(Hao)米(Mi)以(Yi)上(Shang)时(Shi),多(Duo)采(Cai)用(Yong)此(Ci)种(Zhong)形(Xing)式(Shi)。(?)取(Qu)压(Ya)方(Fang)式(Shi)为(Wei)法(Fa)兰(Lan)单(Dan)独(Du)钻(Zuan)孔(Kong)取(Qu)压(Ya)、(?)圆(Yuan)形(Xing)均(Jun)压(Ya)环(Huan)取(Qu)压(Ya)或(Huo)方(Fang)形(Xing)均(Jun)压(Ya)环(Huan)取(Qu)压(Ya)。(?)孔(Kong)板(Ban)形(Xing)式(Shi)可(Ke)为(Wei)带(Dai)柄(Bing)孔(Kong)或(Huo)非(Fei)标(Biao)准(Zhun)的(De)圆(Yuan)缺(Que)孔(Kong)板(Ban)等(Deng)。(?)

　(?)　(?)2、(?)环(Huan)室(Shi)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)：(?)属(Shu)标(Biao)准(Zhun)孔(Kong)板(Ban)。(?)由(You)于(Yu)实(Shi)现(Xian)了(Liao)环(Huan)室(Shi)取(Qu)压(Ya)，(?)提(Ti)高(Gao)了(Liao)测(Ce)量(Liang)精(Jing)度(Du)，(?)缩(Suo)短(Duan)了(Liao)安(An)装(Zhuang)时(Shi)所(Suo)需(Xu)最(Zui)小(Xiao)直(Zhi)线(Xian)管(Guan)段(Duan)长(Chang)度(Du)，(?)可(Ke)在(Zai)各(Ge)部(Bu)门(Men)普(Pu)遍(Bian)应(Ying)用(Yong)。(?)

　(?)　(?)3、(?)径(Jing)距(Ju)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)：(?)属(Shu)标(Biao)准(Zhun)孔(Kong)板(Ban)。(?)取(Qu)压(Ya)方(Fang)式(Shi)为(Wei)管(Guan)道(Dao)取(Qu)压(Ya)。(?)上(Shang)游(You)取(Qu)压(Ya)孔(Kong)中(Zhong)心(Xin)位(Wei)于(Yu)孔(Kong)板(Ban)前(Qian)面(Mian)一(Yi)倍(Bei)管(Guan)道(Dao)内(Nei)径(Jing)处(Chu)。(?)下(Xia)游(You)取(Qu)压(Ya)孔(Kong)中(Zhong)心(Xin)位(Wei)于(Yu)距(Ju)离(Li)孔(Kong)板(Ban)后(Hou)端(Duan)面(Mian)为(Wei)管(Guan)内(Nei)径(Jing)之(Zhi)半(Ban)的(De)地(Di)方(Fang)。(?)

　(?)　(?)4、(?)法(Fa)兰(Lan)取(Qu)压(Ya)标(Biao)准(Zhun)孔(Kong)板(Ban)：(?)属(Shu)标(Biao)准(Zhun)孔(Kong)板(Ban)。(?)它(Ta)不(Bu)论(Lun)管(Guan)道(Dao)直(Zhi)径(Jing)大(Da)小(Xiao)，(?)其(Qi)上(Shang)、(?)下(Xia)游(You)取(Qu)压(Ya)孔(Kong)中(Zhong)心(Xin)均(Jun)位(Wei)于(Yu)距(Ju)孔(Kong)板(Ban)两(Liang)侧(Ce)端(Duan)面(Mian)各(Ge)式(Shi)各(Ge)1时(Shi)（(?)25.5mm）(?)处(Chu)，(?)炼(Lian)油(You)系(Xi)统(Tong)普(Pu)遍(Bian)采(Cai)用(Yong)此(Ci)种(Zhong)形(Xing)式(Shi)。(?)

　(?)　(?)5、(?)小(Xiao)口(Kou)径(Jing)孔(Kong)板(Ban)：(?)属(Shu)非(Fei)标(Biao)准(Zhun)孔(Kong)板(Ban)。(?)用(Yong)于(Yu)测(Ce)量(Liang)10毫(Hao)米(Mi)至(Zhi)50毫(Hao)米(Mi)管(Guan)径(Jing)内(Nei)流(Liu)体(Ti)的(De)测(Ce)量(Liang)。(?)

　(?)　(?)在(Zai)孔(Kong)板(Ban)流(Liu)量(Liang)计(Ji)的(De)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong)，(?)使(Shi)用(Yong)者(Zhe)应(Ying)定(Ding)期(Qi)对(Dui)其(Qi)进(Jin)行(Xing)检(Jian)查(Cha)工(Gong)作(Zuo)，(?)包(Bao)括(Kuo)外(Wai)观(Guan)检(Jian)查(Cha)、(?)变(Bian)形(Xing)检(Jian)查(Cha)、(?)三(San)阀(Fa)组(Zu)检(Jian)查(Cha)、(?)尖(Jian)锐(Rui)度(Du)检(Jian)查(Cha)以(Yi)及(Ji)引(Yin)压(Ya)管(Guan)清(Qing)理(Li)，(?)下(Xia)边(Bian)小(Xiao)编(Bian)详(Xiang)细(Xi)为(Wei)大(Da)家(Jia)介(Jie)绍(Shao)一(Yi)下(Xia)。(?)

　(?)　(?)1、(?)外(Wai)观(Guan)检(Jian)查(Cha)：(?)孔(Kong)板(Ban)阀(Fa)表(Biao)面(Mian)应(Ying)保(Bao)持(Chi)清(Qing)洁(Jie)，(?)油(You)漆(Qi)无(Wu)脱(Tuo)落(Luo)、(?)锈(Xiu)蚀(Shi)，(?)铭(Ming)牌(Pai)清(Qing)晰(Xi)，(?)零(Ling)部(Bu)件(Jian)齐(Qi)全(Quan)完(Wan)好(Hao)，(?)无(Wu)内(Nei)外(Wai)渗(Shen)露(Lu)现(Xian)象(Xiang)，(?)可(Ke)动(Dong)部(Bu)分(Fen)灵(Ling)活(Huo)好(Hao)用(Yong)。(?)

　(?)　(?)2、(?)变(Bian)形(Xing)检(Jian)查(Cha)：(?)用(Yong)游(You)标(Biao)卡(Ka)尺(Chi)的(De)棱(Leng)面(Mian)分(Fen)别(Bie)贴(Tie)靠(Kao)孔(Kong)板(Ban)上(Shang)、(?)下(Xia)游(You)面(Mian)在(Zai)大(Da)致(Zhi)垂(Chui)直(Zhi)的(De)两(Liang)个(Ge)方(Fang)位(Wei)上(Shang)，(?)估(Gu)计(Ji)最(Zui)大(Da)缝(Feng)隙(Xi)宽(Kuan)度(Du)，(?)其(Qi)值(Zhi)与(Yu)计(Ji)量(Liang)管(Guan)内(Nei)径(Jing)的(De)比(Bi)值(Zhi)应(Ying)小(Xiao)于(Yu)0.5%。(?)

　(?)　(?)3、(?)三(San)阀(Fa)组(Zu)检(Jian)查(Cha)：(?)检(Jian)查(Cha)五(Wu)阀(Fa)组(Zu)高(Gao)低(Di)压(Ya)阀(Fa)腔(Qiang)有(You)无(Wu)漏(Lou)气(Qi)，(?)关(Guan)闭(Bi)根(Gen)部(Bu)阀(Fa)打(Da)开(Kai)平(Ping)衡(Heng)阀(Fa)后(Hou)检(Jian)查(Cha)零(Ling)点(Dian)有(You)无(Wu)漂(Piao)移(Yi)。(?)

　(?)　(?)4、(?)引(Yin)压(Ya)管(Guan)清(Qing)理(Li)：(?)每(Mei)月(Yue)对(Dui)引(Yin)压(Ya)管(Guan)进(Jin)行(Xing)放(Fang)空(Kong)、(?)吹(Chui)扫(Sao)，(?)防(Fang)止(Zhi)引(Yin)压(Ya)管(Guan)内(Nei)积(Ji)聚(Ju)污(Wu)物(Wu)。(?)

　(?)　(?)5、(?)尖(Jian)锐(Rui)度(Du)检(Jian)查(Cha)：(?)检(Jian)查(Cha)孔(Kong)板(Ban)开(Kai)孔(Kong)直(Zhi)角(Jiao)入(Ru)口(Kou)边(Bian)缘(Yuan)的(De)尖(Jian)锐(Rui)度(Du),若(Ruo)发(Fa)现(Xian)有(You)肉(Rou)眼(Yan)可(Ke)见(Jian)的(De)划(Hua)痕(Hen)、(?)冲(Chong)蚀(Shi)和(He)擦(Ca)伤(Shang)等(Deng)缺(Que)陷(Xian)，(?)建(Jian)议(Yi)更(Geng)换(Huan)孔(Kong)板(Ban)。(?)