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蝶(Die)阀(Fa)和(He)闸(Zha)阀(Fa)使(Shi)用(Yong)区(Qu)别(Bie)在(Zai)哪(Na)里(Li)

作(Zuo)者(Zhe):(?) 发(Fa)布(Bu)时(Shi)间(Jian):(?)2022-07-07 16:50:23点(Dian)击(Ji):(?)2614

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蝶(Die)阀(Fa):(?)体(Ti)积(Ji)小(Xiao)便(Bian)于(Yu)安(An)装(Zhuang)、(?)由(You)于(Yu)开(Kai)启(Qi)行(Xing)程(Cheng)小(Xiao)易(Yi)于(Yu)实(Shi)现(Xian)自(Zi)动(Dong)控(Kong)制(Zhi)、(?)适(Shi)用(Yong)于(Yu)各(Ge)种(Zhong)液(Ye)体(Ti)包(Bao)括(Kuo)泥(Ni)浆(Jiang)、(?)金(Jin)属(Shu)等(Deng)、(?)主(Zhu)阀(Fa)板(Ban)和(He)开(Kai)启(Qi)手(Shou)柄(Bing)联(Lian)接(Jie)为(Wei)一(Yi)体(Ti)不(Bu)易(Yi)失(Shi)效(Xiao)、(?)但(Dan)是(Shi)大(Da)径(Jing)、(?)超(Chao)大(Da)径(Jing)管(Guan)路(Lu)不(Bu)易(Yi)使(Shi)用(Yong)、(?)属(Shu)于(Yu)低(Di)压(Ya)阀(Fa)门(Men)关(Guan)闭(Bi)较(Jiao)严(Yan)。(?)

闸(Zha)阀(Fa):(?)相(Xiang)比(Bi)蝶(Die)阀(Fa)体(Ti)积(Ji)大(Da)、(?)开(Kai)启(Qi)速(Su)度(Du)慢(Man)行(Xing)程(Cheng)大(Da)不(Bu)易(Yi)实(Shi)现(Xian)自(Zi)动(Dong)控(Kong)制(Zhi)、(?)使(Shi)用(Yong)范(Fan)围(Wei)小(Xiao)、(?)主(Zhu)阀(Fa)板(Ban)和(He)开(Kai)启(Qi)手(Shou)柄(Bing)容(Rong)易(Yi)脱(Tuo)离(Li)造(Zao)成(Cheng)阀(Fa)门(Men)失(Shi)效(Xiao)、(?)适(Shi)用(Yong)于(Yu)大(Da)管(Guan)径(Jing)安(An)装(Zhuang)、(?)按(An)压(Ya)力(Li)分(Fen)为(Wei)低(Di)、(?)中(Zhong)、(?)高(Gao)压(Ya)阀(Fa)门(Men)关(Guan)闭(Bi)严(Yan)。(?)


蝶(Die)阀(Fa):(?)体(Ti)积(Ji)小(Xiao)便(Bian)于(Yu)安(An)装(Zhuang)、(?)由(You)于(Yu)开(Kai)启(Qi)行(Xing)程(Cheng)小(Xiao)易(Yi)于(Yu)实(Shi)现(Xian)自(Zi)动(Dong)控(Kong)制(Zhi)、(?)适(Shi)用(Yong)于(Yu)各(Ge)种(Zhong)液(Ye)体(Ti)包(Bao)括(Kuo)泥(Ni)浆(Jiang)、(?)金(Jin)属(Shu)等(Deng)、(?)主(Zhu)阀(Fa)板(Ban)和(He)开(Kai)启(Qi)手(Shou)柄(Bing)联(Lian)接(Jie)为(Wei)一(Yi)体(Ti)不(Bu)易(Yi)失(Shi)效(Xiao)、(?)但(Dan)是(Shi)大(Da)径(Jing)、(?)超(Chao)大(Da)径(Jing)管(Guan)路(Lu)不(Bu)易(Yi)使(Shi)用(Yong)、(?)属(Shu)于(Yu)低(Di)压(Ya)阀(Fa)门(Men)关(Guan)闭(Bi)较(Jiao)严(Yan)。(?)

闸(Zha)阀(Fa):(?)相(Xiang)比(Bi)蝶(Die)阀(Fa)体(Ti)积(Ji)大(Da)、(?)开(Kai)启(Qi)速(Su)度(Du)慢(Man)行(Xing)程(Cheng)大(Da)不(Bu)易(Yi)实(Shi)现(Xian)自(Zi)动(Dong)控(Kong)制(Zhi)、(?)使(Shi)用(Yong)范(Fan)围(Wei)小(Xiao)、(?)主(Zhu)阀(Fa)板(Ban)和(He)开(Kai)启(Qi)手(Shou)柄(Bing)容(Rong)易(Yi)脱(Tuo)离(Li)造(Zao)成(Cheng)阀(Fa)门(Men)失(Shi)效(Xiao)、(?)适(Shi)用(Yong)于(Yu)大(Da)管(Guan)径(Jing)安(An)装(Zhuang)、(?)按(An)压(Ya)力(Li)分(Fen)为(Wei)低(Di)、(?)中(Zhong)、(?)高(Gao)压(Ya)阀(Fa)门(Men)关(Guan)闭(Bi)严(Yan)。(?)


按(An)照(Zhao)闸(Zha)阀(Fa)和(He)蝶(Die)阀(Fa)的(De)作(Zuo)用(Yong)及(Ji)用(Yong)途(Tu)来(Lai)说(Shuo),(?)闸(Zha)阀(Fa)流(Liu)阻(Zu)小(Xiao),(?)密(Mi)封(Feng)性(Xing)能(Neng)好(Hao),(?)因(Yin)闸(Zha)阀(Fa)阀(Fa)板(Ban)和(He)介(Jie)质(Zhi)流(Liu)向(Xiang)是(Shi)垂(Chui)直(Zhi)角(Jiao)度(Du),(?)如(Ru)果(Guo)闸(Zha)阀(Fa)在(Zai)阀(Fa)板(Ban)开(Kai)关(Guan)不(Bu)到(Dao)位(Wei),(?)介(Jie)质(Zhi)对(Dui)阀(Fa)板(Ban)的(De)冲(Chong)刷(Shua)使(Shi)阀(Fa)板(Ban)颤(Chan)动(Dong),(?)极(Ji)易(Yi)照(Zhao)成(Cheng)闸(Zha)阀(Fa)密(Mi)封(Feng)损(Sun)坏(Huai)。(?)


蝶(Die)阀(Fa)又(You)叫(Jiao)翻(Fan)板(Ban)阀(Fa),(?)是(Shi)一(Yi)种(Zhong)结(Jie)构(Gou)简(Jian)单(Dan)的(De)调(Diao)节(Jie)阀(Fa),(?)可(Ke)用(Yong)于(Yu)低(Di)压(Ya)管(Guan)道(Dao)介(Jie)质(Zhi)的(De)开(Kai)关(Guan)控(Kong)制(Zhi)的(De)蝶(Die)阀(Fa)是(Shi)指(Zhi)关(Guan)闭(Bi)件(Jian)((?)阀(Fa)瓣(Ban)或(Huo)蝶(Die)板(Ban))(?)为(Wei)圆(Yuan)盘(Pan),(?)围(Wei)绕(Rao)阀(Fa)轴(Zhou)旋(Xuan)转(Zhuan)来(Lai)达(Da)到(Dao)开(Kai)启(Qi)与(Yu)关(Guan)闭(Bi)的(De)一(Yi)种(Zhong)阀(Fa),(?)阀(Fa)门(Men)可(Ke)用(Yong)于(Yu)控(Kong)制(Zhi)空(Kong)气(Qi)、(?)水(Shui)、(?)蒸(Zheng)汽(Qi)、(?)各(Ge)种(Zhong)腐(Fu)蚀(Shi)性(Xing)介(Jie)质(Zhi)、(?)泥(Ni)浆(Jiang)、(?)油(You)品(Pin)、(?)液(Ye)态(Tai)金(Jin)属(Shu)和(He)放(Fang)射(She)性(Xing)介(Jie)质(Zhi)等(Deng)各(Ge)种(Zhong)类(Lei)型(Xing)流(Liu)体(Ti)的(De)流(Liu)动(Dong)。(?)在(Zai)管(Guan)道(Dao)上(Shang)主(Zhu)要(Yao)起(Qi)切(Qie)断(Duan)和(He)节(Jie)流(Liu)作(Zuo)用(Yong)。(?)蝶(Die)阀(Fa)启(Qi)闭(Bi)件(Jian)是(Shi)一(Yi)个(Ge)圆(Yuan)盘(Pan)形(Xing)的(De)蝶(Die)板(Ban),(?)在(Zai)阀(Fa)体(Ti)内(Nei)绕(Rao)其(Qi)自(Zi)身(Shen)的(De)轴(Zhou)线(Xian)旋(Xuan)转(Zhuan),(?)从(Cong)而(?)达(Da)到(Dao)启(Qi)闭(Bi)或(Huo)调(Diao)节(Jie)的(De)目(Mu)的(De)。(?)


蝶(Die)板(Ban)由(You)阀(Fa)杆(Gan)带(Dai)动(Dong),(?)若(Ruo)转(Zhuan)过(Guo)90°(?),(?)便(Bian)能(Neng)完(Wan)成(Cheng)一(Yi)次(Ci)启(Qi)闭(Bi)。(?)改(Gai)变(Bian)蝶(Die)板(Ban)的(De)偏(Pian)转(Zhuan)角(Jiao)度(Du),(?)即(Ji)可(Ke)控(Kong)制(Zhi)介(Jie)质(Zhi)的(De)流(Liu)量(Liang)。(?)


使(Shi)用(Yong)工(Gong)况(Kuang)和(He)介(Jie)质(Zhi):(?)蝶(Die)阀(Fa)适(Shi)用(Yong)于(Yu)发(Fa)生(Sheng)炉(Lu)、(?)煤(Mei)气(Qi)、(?)天(Tian)然(Ran)气(Qi)、(?)液(Ye)化(Hua)石(Shi)油(You)气(Qi)、(?)城(Cheng)市(Shi)煤(Mei)气(Qi)、(?)冷(Leng)热(Re)空(Kong)气(Qi)、(?)化(Hua)工(Gong)冶(Ye)炼(Lian)和(He)发(Fa)电(Dian)环(Huan)保(Bao)、(?)建(Jian)筑(Zhu)给(Gei)排(Pai)水(Shui)等(Deng)工(Gong)程(Cheng)系(Xi)统(Tong)中(Zhong)输(Shu)送(Song)各(Ge)种(Zhong)腐(Fu)蚀(Shi)性(Xing)、(?)非(Fei)腐(Fu)蚀(Shi)性(Xing)流(Liu)体(Ti)介(Jie)质(Zhi)的(De)管(Guan)道(Dao)上(Shang),(?)用(Yong)于(Yu)调(Diao)节(Jie)和(He)截(Jie)断(Duan)介(Jie)质(Zhi)的(De)流(Liu)动(Dong)。(?)


闸(Zha)阀(Fa)((?)gate valve)(?)是(Shi)一(Yi)个(Ge)启(Qi)闭(Bi)件(Jian)闸(Zha)板(Ban),(?)闸(Zha)板(Ban)的(De)运(Yun)动(Dong)方(Fang)向(Xiang)与(Yu)流(Liu)体(Ti)方(Fang)向(Xiang)相(Xiang)垂(Chui)直(Zhi),(?)闸(Zha)阀(Fa)只(Zhi)能(Neng)作(Zuo)全(Quan)开(Kai)和(He)全(Quan)关(Guan),(?)不(Bu)适(Shi)门(Men)参(Can)数(Shu)而(?)异(Yi) , 通(Tong)常(Chang)为(Wei) 5°(?), 介(Jie)质(Zhi)温(Wen)度(Du)不(Bu)高(Gao)时(Shi)为(Wei) 2°(?)52‘(?)。(?)改(Gai)善(Shan)其(Qi)工(Gong)艺(Yi)性(Xing) , 弥(Mi)补(Bu)密(Mi)封(Feng)面(Mian)角(Jiao)度(Du)在(Zai)加(Jia)工(Gong)过(Guo)程(Cheng)中(Zhong)产(Chan)生(Sheng)的(De)偏(Pian)差(Cha) , 这(Zhe)种(Zhong)闸(Zha)板(Ban)叫(Jiao)做(Zuo)弹(Dan)性(Xing)闸(Zha)板(Ban)。(?)


闸(Zha)阀(Fa)关(Guan)闭(Bi)时(Shi),(?)密(Mi)封(Feng)面(Mian)可(Ke)以(Yi)只(Zhi)依(Yi)靠(Kao)介(Jie)质(Zhi)压(Ya)力(Li)来(Lai)密(Mi)封(Feng),(?)即(Ji)只(Zhi)依(Yi)靠(Kao)介(Jie)质(Zhi)压(Ya)力(Li)将(Jiang)闸(Zha)板(Ban)的(De)密(Mi)封(Feng)面(Mian)压(Ya)向(Xiang)另(Ling)一(Yi)侧(Ce)的(De)阀(Fa)座(Zuo)来(Lai)保(Bao)证(Zheng)密(Mi)封(Feng)面(Mian)的(De)密(Mi)封(Feng),(?)这(Zhe)就(Jiu)是(Shi)自(Zi)密(Mi)封(Feng)。(?)大(Da)部(Bu)分(Fen)闸(Zha)阀(Fa)是(Shi)采(Cai)用(Yong)强(Qiang)制(Zhi)密(Mi)封(Feng)的(De),(?)即(Ji)阀(Fa)门(Men)关(Guan)闭(Bi)时(Shi),(?)要(Yao)依(Yi)靠(Kao)外(Wai)力(Li)强(Qiang)行(Xing)将(Jiang)闸(Zha)板(Ban)压(Ya)向(Xiang)阀(Fa)座(Zuo),(?) 以(Yi)保(Bao)证(Zheng)密(Mi)封(Feng)面(Mian)的(De)密(Mi)封(Feng)性(Xing)。(?)


运(Yun)动(Dong)方(Fang)式(Shi):(?)闸(Zha)阀(Fa)的(De)闸(Zha)板(Ban)随(Sui)阀(Fa)杆(Gan)一(Yi)起(Qi)作(Zuo)直(Zhi)线(Xian)运(Yun)动(Dong)的(De),(?)亦(Yi)叫(Jiao)明(Ming)杆(Gan)闸(Zha)阀(Fa)。(?)通(Tong)常(Chang)在(Zai)升(Sheng)降(Jiang)杆(Gan)上(Shang) 有(You)梯(Ti)形(Xing)螺(Luo)纹(Wen),(?)通(Tong)过(Guo)阀(Fa)门(Men)顶(Ding)端(Duan)的(De)螺(Luo)母(Mu)以(Yi)及(Ji)阀(Fa)体(Ti)上(Shang)的(De)导(Dao)槽(Cao),(?)将(Jiang)旋(Xuan)转(Zhuan)运(Yun)动(Dong)变(Bian)为(Wei)直(Zhi)线(Xian)运(Yun)动(Dong) , 也(Ye)就(Jiu)是(Shi)将(Jiang)操(Cao)作(Zuo)转(Zhuan)矩(Ju)变(Bian)为(Wei)操(Cao)作(Zuo)推(Tui)力(Li)。(?)开(Kai)启(Qi)阀(Fa)门(Men)时(Shi),(?)当(Dang)闸(Zha)板(Ban)提(Ti)升(Sheng)高(Gao)度(Du)等(Deng)于(Yu)阀(Fa)门(Men)通(Tong)径(Jing)的(De)1:(?)1倍(Bei)时(Shi),(?)流(Liu)体(Ti)的(De)通(Tong)道(Dao)完(Wan)全(Quan)畅(Chang)通(Tong),(?)但(Dan)在(Zai)运(Yun)行(Xing)时(Shi),(?)此(Ci)位(Wei)置(Zhi)是(Shi)无(Wu)法(Fa)监(Jian)视(Shi)的(De)。(?)实(Shi)际(Ji)使(Shi)用(Yong)时(Shi),(?)是(Shi)以(Yi)阀(Fa)杆(Gan)的(De)顶(Ding)点(Dian)作(Zuo)为(Wei)标(Biao)志(Zhi),(?)即(Ji)开(Kai)不(Bu)动(Dong)的(De)位(Wei)置(Zhi),(?)作(Zuo)为(Wei)它(Ta)的(De)全(Quan)开(Kai)位(Wei)置(Zhi)。(?)为(Wei)考(Kao)虑(Lu)温(Wen)度(Du)变(Bian)化(Hua)出(Chu)现(Xian)锁(Suo)死(Si)现(Xian)象(Xiang) , 通(Tong)常(Chang)在(Zai)开(Kai)到(Dao)顶(Ding)点(Dian)位(Wei)置(Zhi)上(Shang) , 再(Zai)倒(Dao)回(Hui) 1/2-(?)1圈(Quan) , 作(Zuo)为(Wei)全(Quan)开(Kai)阀(Fa)门(Men)的(De)位(Wei)置(Zhi)。(?)因(Yin)此(Ci) , 阀(Fa)门(Men)的(De)全(Quan)开(Kai)位(Wei)置(Zhi),(?)按(An)闸(Zha)板(Ban)的(De)位(Wei)置(Zhi)((?)即(Ji)行(Xing)程(Cheng)〉(?)来(Lai)确(Que)定(Ding)。(?)有(You)的(De)闸(Zha)阀(Fa)阀(Fa)杆(Gan)螺(Luo)母(Mu)设(She)在(Zai)闸(Zha)板(Ban)上(Shang),(?)手(Shou)轮(Lun)转(Zhuan)动(Dong)带(Dai)动(Dong)阀(Fa)杆(Gan)转(Zhuan)动(Dong),(?)而(?)使(Shi)闸(Zha)板(Ban)提(Ti)升(Sheng),(?)这(Zhe)种(Zhong)阀(Fa)门(Men)叫(Jiao)做(Zuo)旋(Xuan)转(Zhuan)杆(Gan)闸(Zha)阀(Fa)或(Huo)叫(Jiao)暗(An)杆(Gan)闸(Zha)阀(Fa)。(?)


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