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针(Zhen)型(Xing)阀(Fa)工(Gong)作(Zuo)原(Yuan)理(Li)((?)图(Tu))(?)
来(Lai)源(Yuan):(?)x-border.com作(Zuo)者(Zhe):(?)上(Shang)海(Hai)凯(Kai)利(Li)科(Ke)阀(Fa)门(Men)有(You)限(Xian)公(Gong)司(Si)更(Geng)新(Xin)时(Shi)间(Jian):(?)2023-03-31 10:03:39
针(Zhen)型(Xing)阀(Fa)(Needle Valve)(?)是(Shi)仪(Yi)表(Biao)测(Ce)量(Liang)管(Guan)路(Lu)系(Xi)统(Tong)中(Zhong)重(Zhong)要(Yao)组(Zu)成(Cheng)部(Bu)分(Fen),(?)是(Shi)一(Yi)种(Zhong)可(Ke)以(Yi)精(Jing)确(Que)调(Diao)整(Zheng)、(?)切(Qie)断(Duan)流(Liu)体(Ti)的(De)阀(Fa)门(Men),(?)阀(Fa)芯(Xin)就(Jiu)是(Shi)一(Yi)个(Ge)很(Hen)尖(Jian)的(De)圆(Yuan)锥(Zhui)体(Ti),(?)一(Yi)般(Ban)用(Yong)于(Yu)较(Jiao)小(Xiao)的(De)流(Liu)量(Liang),(?)较(Jiao)高(Gao)压(Ya)力(Li)的(De)气(Qi)体(Ti)或(Huo)者(Zhe)液(Ye)体(Ti),(?)结(Jie)构(Gou)跟(Gen)截(Jie)止(Zhi)阀(Fa)形(Xing)似(Si),(?)其(Qi)功(Gong)用(Yong)是(Shi)作(Zuo)开(Kai)启(Qi)或(Huo)切(Qie)断(Duan)管(Guan)道(Dao)通(Tong)路(Lu)用(Yong)的(De)阀(Fa)门(Men)。(?)
针(Zhen)型(Xing)阀(Fa)工(Gong)作(Zuo)原(Yuan)理(Li)((?)图(Tu))(?)
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1、(?)针(Zhen)型(Xing)阀(Fa)启(Qi)闭(Bi)件(Jian)是(Shi)一(Yi)个(Ge)尖(Jian)型(Xing)圆(Yuan)锥(Zhui)体(Ti),(?)开(Kai)启(Qi)时(Shi)逆(Ni)时(Shi)针(Zhen)旋(Xuan)转(Zhuan),(?)关(Guan)闭(Bi)时(Shi)顺(Shun)时(Shi)针(Zhen)旋(Xuan)转(Zhuan)。(?)
2、(?)内(Nei)部(Bu)结(Jie)构(Gou)与(Yu)截(Jie)止(Zhi)阀(Fa)形(Xing)式(Shi)差(Cha)不(Bu)多(Duo),(?)都(Du)是(Shi)低(Di)进(Jin)高(Gao)出(Chu),(?)通(Tong)过(Guo)手(Shou)轮(Lun)带(Dai)动(Dong)阀(Fa)杆(Gan)传(Chuan)动(Dong)。(?)
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针(Zhen)型(Xing)阀(Fa)结(Jie)构(Gou)原(Yuan)理(Li)
1、(?)针(Zhen)型(Xing)阀(Fa)在(Zai)低(Di)温(Wen)介(Jie)质(Zhi)的(De)管(Guan)路(Lu)系(Xi)统(Tong)和(He)装(Zhuang)置(Zhi)上(Shang),(?)宜(Yi)选(Xuan)用(Yong)加(Jia)上(Shang)阀(Fa)盖(Gai)的(De)低(Di)温(Wen)针(Zhen)型(Xing)阀(Fa)。(?)
2、(?)炼(Lian)油(You)装(Zhuang)置(Zhi)的(De)催(Cui)化(Hua)裂(Lie)化(Hua)装(Zhuang)置(Zhi)的(De)管(Guan)路(Lu)系(Xi)统(Tong)上(Shang),(?)可(Ke)选(Xuan)用(Yong)升(Sheng)降(Jiang)杆(Gan)式(Shi)针(Zhen)型(Xing)阀(Fa)。(?)
3、(?)针(Zhen)型(Xing)阀(Fa)在(Zai)化(Hua)工(Gong)系(Xi)统(Tong)的(De)酸(Suan)碱(Jian)等(Deng)腐(Fu)蚀(Shi)性(Xing)介(Jie)质(Zhi)的(De)装(Zhuang)置(Zhi)和(He)管(Guan)路(Lu)系(Xi)统(Tong)中(Zhong),(?)宜(Yi)选(Xuan)用(Yong)奥(Ao)氏(Shi)体(Ti)不(Bu)锈(Xiu)钢(Gang)制(Zhi)造(Zao)的(De)、(?)聚(Ju)四(Si)氟(Fu)乙(Yi)烯(Xi)为(Wei)阀(Fa)座(Zuo)密(Mi)封(Feng)圈(Quan)的(De)全(Quan)不(Bu)锈(Xiu)钢(Gang)针(Zhen)型(Xing)阀(Fa)。(?)
4、(?)冶(Ye)金(Jin)系(Xi)统(Tong)、(?)电(Dian)力(Li)系(Xi)统(Tong)、(?)石(Shi)化(Hua)装(Zhuang)置(Zhi)、(?)城(Cheng)市(Shi)供(Gong)热(Re)系(Xi)统(Tong)中(Zhong)的(De)高(Gao)温(Wen)介(Jie)质(Zhi)的(De)管(Guan)路(Lu)系(Xi)统(Tong)或(Huo)装(Zhuang)置(Zhi)上(Shang),(?)可(Ke)选(Xuan)用(Yong)金(Jin)属(Shu)对(Dui)金(Jin)属(Shu)密(Mi)封(Feng)针(Zhen)型(Xing)阀(Fa)。(?)
5、(?)需(Xu)要(Yao)进(Jin)行(Xing)流(Liu)量(Liang)调(Diao)节(Jie)时(Shi),(?)可(Ke)选(Xuan)用(Yong)蜗(Wo)轮(Lun)蜗(Wo)杆(Gan)传(Chuan)动(Dong)的(De)、(?)气(Qi)动(Dong)或(Huo)电(Dian)动(Dong)的(De)带(Dai)V 形(Xing)开(Kai)口(Kou)的(De)调(Diao)节(Jie)针(Zhen)型(Xing)阀(Fa)。(?)
6、(?)石(Shi)油(You)、(?)天(Tian)然(Ran)气(Qi)的(De)输(Shu)送(Song)主(Zhu)管(Guan)线(Xian)、(?)需(Xu)要(Yao)清(Qing)扫(Sao)管(Guan)线(Xian)的(De),(?)又(You)需(Xu)埋(Mai)设(She)在(Zai)地(Di)下(Xia)的(De),(?)选(Xuan)用(Yong)全(Quan)通(Tong)径(Jing)、(?)全(Quan)焊(Han)接(Jie)结(Jie)构(Gou)的(De)针(Zhen)型(Xing)阀(Fa);(?)埋(Mai)设(She)在(Zai)地(Di)上(Shang)的(De),(?)选(Xuan)择(Ze)全(Quan)通(Tong)径(Jing)焊(Han)接(Jie)连(Lian)接(Jie)或(Huo)法(Fa)兰(Lan)连(Lian)接(Jie)的(De)球(Qiu)阀(Fa)。(?)
7、(?)成(Cheng)品(Pin)油(You)的(De)输(Shu)送(Song)管(Guan)线(Xian)和(He)贮(Zhu)存(Cun)设(She)备(Bei),(?)选(Xuan)用(Yong)法(Fa)兰(Lan)连(Lian)接(Jie)的(De)针(Zhen)型(Xing)阀(Fa)。(?)
8、(?)城(Cheng)市(Shi)煤(Mei)气(Qi)和(He)天(Tian)然(Ran)气(Qi)的(De)管(Guan)路(Lu)上(Shang),(?)选(Xuan)用(Yong)法(Fa)兰(Lan)连(Lian)接(Jie)和(He)内(Nei)螺(Luo)纹(Wen)连(Lian)接(Jie)的(De)针(Zhen)型(Xing)阀(Fa)。(?)
9、(?)冶(Ye)金(Jin)系(Xi)统(Tong)中(Zhong)的(De)氧(Yang)气(Qi)管(Guan)路(Lu)系(Xi)统(Tong)中(Zhong),(?)宜(Yi)选(Xuan)用(Yong)经(Jing)过(Guo)严(Yan)格(Ge)脱(Tuo)脂(Zhi)处(Chu)理(Li),(?)法(Fa)兰(Lan)连(Lian)接(Jie)的(De)针(Zhen)型(Xing)阀(Fa)。(?)
10、(?)针(Zhen)型(Xing)阀(Fa)由(You)阀(Fa)体(Ti)、(?)针(Zhen)形(Xing)锥(Zhui)体(Ti)、(?)填(Tian)料(Liao)、(?)手(Shou)轮(Lun)组(Zu)成(Cheng)。(?)
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