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当(Dang)前(Qian)位(Wei)置(Zhi):(?)网(Wang)站(Zhan)首(Shou)页(Ye) > 行(Xing)业(Ye)新(Xin)闻(Wen) > 止(Zhi)回(Hui)阀(Fa)如(Ru)何(He)安(An)装(Zhuang)与(Yu)选(Xuan)型(Xing)?(?)
止(Zhi)回(Hui)阀(Fa)如(Ru)何(He)安(An)装(Zhuang)与(Yu)选(Xuan)型(Xing)?(?)
时(Shi)间(Jian):(?)2022-05-05 来(Lai)源(Yuan):(?)铜(Tong)陵(Ling)五(Wu)松(Song)阀(Fa)门(Men)有(You)限(Xian)公(Gong)司(Si)
1、(?)为(Wei)了(Liao)防(Fang)止(Zhi)介(Jie)质(Zhi)逆(Ni)流(Liu),(?)在(Zai)设(She)备(Bei)、(?)装(Zhuang)置(Zhi)和(He)管(Guan)道(Dao)上(Shang)都(Du)应(Ying)安(An)装(Zhuang)止(Zhi)回(Hui)阀(Fa);(?)2、(?)止(Zhi)回(Hui)阀(Fa)一(Yi)般(Ban)适(Shi)用(Yong)于(Yu)清(Qing)净(Jing)介(Jie)质(Zhi),(?)不(Bu)宜(Yi)用(Yong)于(Yu)含(Han)有(You)固(Gu)体(Ti)颗(Ke)粒(Li)和(He)粘(Zhan)度(Du)较(Jiao)大(Da)的(De)介(Jie)质(Zhi);(?)
3、(?)一(Yi)般(Ban)在(Zai)公(Gong)称(Cheng)通(Tong)经(Jing)50mm的(De)水(Shui)平(Ping)管(Guan)道(Dao)上(Shang)都(Du)应(Ying)选(Xuan)用(Yong)立(Li)式(Shi)升(Sheng)降(Jiang)止(Zhi)回(Hui)阀(Fa);(?)
4、(?)直(Zhi)通(Tong)式(Shi)升(Sheng)降(Jiang)止(Zhi)回(Hui)阀(Fa)在(Zai)水(Shui)平(Ping)管(Guan)道(Dao)和(He)垂(Chui)直(Zhi)管(Guan)道(Dao)上(Shang)都(Du)可(Ke)安(An)装(Zhuang);(?)
5、(?)对(Dui)于(Yu)水(Shui)泵(Beng)进(Jin)口(Kou)管(Guan)路(Lu),(?)宜(Yi)选(Xuan)用(Yong)底(Di)阀(Fa),(?)底(Di)阀(Fa)一(Yi)般(Ban)只(Zhi)安(An)装(Zhuang)在(Zai)泵(Beng)进(Jin)口(Kou)的(De)垂(Chui)直(Zhi)管(Guan)道(Dao)上(Shang),(?)并(Bing)且(Qie)介(Jie)质(Zhi)自(Zi)下(Xia)而(?)上(Shang)流(Liu)动(Dong);(?)
6、(?)升(Sheng)降(Jiang)式(Shi)旋(Xuan)启(Qi)式(Shi)密(Mi)封(Feng)性(Xing)好(Hao),(?)流(Liu)体(Ti)阻(Zu)力(Li)大(Da),(?)卧(Wo)式(Shi)宜(Yi)装(Zhuang)在(Zai)水(Shui)平(Ping)管(Guan)道(Dao)上(Shang),(?)立(Li)式(Shi)装(Zhuang)在(Zai)垂(Chui)直(Zhi)管(Guan)道(Dao)上(Shang);(?)
7、(?)旋(Xuan)启(Qi)式(Shi)止(Zhi)回(Hui)阀(Fa)的(De)安(An)装(Zhuang)位(Wei)置(Zhi)不(Bu)受(Shou)限(Xian)制(Zhi),(?)它(Ta)可(Ke)装(Zhuang)在(Zai)水(Shui)平(Ping)、(?)垂(Chui)直(Zhi)或(Huo)倾(Qing)斜(Xie)的(De)管(Guan)线(Xian) 上(Shang),(?)如(Ru)装(Zhuang)在(Zai)垂(Chui)直(Zhi)管(Guan)道(Dao)上(Shang),(?)介(Jie)质(Zhi)流(Liu)向(Xiang)要(Yao)由(You)下(Xia)而(?)上(Shang);(?)
8、(?)旋(Xuan)启(Qi)式(Shi)止(Zhi)回(Hui)阀(Fa)不(Bu)宜(Yi)制(Zhi)成(Cheng)小(Xiao)口(Kou)径(Jing)阀(Fa)门(Men)、(?)可(Ke)以(Yi)做(Zuo)成(Cheng)很(Hen)高(Gao)的(De)工(Gong)作(Zuo)压(Ya)力(Li),(?)PN可(Ke)达(Da)到(Dao)42MPa,(?)而(?)且(Qie)DN也(Ye)可(Ke)以(Yi)做(Zuo)到(Dao)很(Hen)大(Da),(?)最(Zui)大(Da)可(Ke)以(Yi)达(Da)到(Dao)2000mm以(Yi)上(Shang)。(?)根(Gen)据(Ju)壳(Ke)体(Ti)及(Ji)密(Mi)封(Feng)件(Jian)的(De)材(Cai)质(Zhi)不(Bu)同(Tong)可(Ke)以(Yi)用(Yong)于(Yu)任(Ren)何(He)工(Gong)作(Zuo)介(Jie)质(Zhi)和(He)任(Ren)何(He)工(Gong)作(Zuo)温(Wen)度(Du)范(Fan)围(Wei)。(?)介(Jie)质(Zhi)为(Wei)水(Shui)、(?)蒸(Zheng)汽(Qi)、(?)气(Qi)体(Ti)、(?)腐(Fu)蚀(Shi)性(Xing)介(Jie)质(Zhi)、(?)油(You)品(Pin)、(?)药(Yao)品(Pin)、(?)等(Deng)。(?)介(Jie)质(Zhi)工(Gong)作(Zuo)温(Wen)度(Du)范(Fan)围(Wei)在(Zai)-196--800℃(?)之(Zhi)间(Jian);(?)
9、(?)适(Shi)用(Yong)场(Chang)合(He)是(Shi)低(Di)压(Ya)大(Da)口(Kou)径(Jing),(?)而(?)且(Qie)安(An)装(Zhuang)场(Chang)合(He)受(Shou)到(Dao)限(Xian)制(Zhi);(?)
10、(?)蝶(Die)式(Shi)止(Zhi)回(Hui)阀(Fa)的(De)安(An)装(Zhuang)位(Wei)置(Zhi)不(Bu)受(Shou)限(Xian)制(Zhi),(?)可(Ke)以(Yi)安(An)装(Zhuang)在(Zai)水(Shui)平(Ping)管(Guan)路(Lu)上(Shang),(?)也(Ye)可(Ke)以(Yi)安(An)装(Zhuang)在(Zai)垂(Chui)直(Zhi)或(Huo)倾(Qing)斜(Xie)的(De)管(Guan)线(Xian)上(Shang);(?)
11、(?)隔(Ge)膜(Mo)式(Shi)止(Zhi)回(Hui)阀(Fa)适(Shi)用(Yong)于(Yu)易(Yi)产(Chan)生(Sheng)水(Shui)击(Ji)的(De)管(Guan)路(Lu)上(Shang),(?)隔(Ge)膜(Mo)可(Ke)以(Yi)很(Hen)好(Hao)地(Di)消(Xiao)除(Chu)介(Jie)质(Zhi)逆(Ni)流(Liu)时(Shi)产(Chan)生(Sheng)的(De)水(Shui)击(Ji),(?)它(Ta)一(Yi)般(Ban)使(Shi)用(Yong)在(Zai)低(Di)压(Ya)常(Chang)温(Wen)管(Guan)道(Dao)上(Shang),(?)特(Te)别(Bie)适(Shi)用(Yong)于(Yu)自(Zi)来(Lai)水(Shui)管(Guan)道(Dao)上(Shang),(?)一(Yi)般(Ban)介(Jie)质(Zhi)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)-12--120℃(?)之(Zhi)间(Jian),(?)工(Gong)作(Zuo)压(Ya)力(Li)<1.6MPa,(?)但(Dan)隔(Ge)膜(Mo)式(Shi)止(Zhi)回(Hui)阀(Fa)可(Ke)以(Yi)做(Zuo)到(Dao)较(Jiao)大(Da)口(Kou)径(Jing),(?)DN最(Zui)大(Da)可(Ke)以(Yi)达(Da)到(Dao)2000mm以(Yi)上(Shang);(?)
12、(?)球(Qiu)形(Xing)止(Zhi)回(Hui)阀(Fa)适(Shi)用(Yong)于(Yu)中(Zhong)低(Di)压(Ya)管(Guan)路(Lu),(?)可(Ke)以(Yi)制(Zhi)成(Cheng)大(Da)口(Kou)径(Jing);(?)
13、(?)球(Qiu)形(Xing)止(Zhi)回(Hui)阀(Fa)的(De)壳(Ke)体(Ti)材(Cai)料(Liao)可(Ke)以(Yi)用(Yong)不(Bu)锈(Xiu)钢(Gang)制(Zhi)作(Zuo),(?)密(Mi)封(Feng)件(Jian)的(De)空(Kong)心(Xin)球(Qiu)体(Ti)可(Ke)以(Yi)包(Bao)裹(Guo)聚(Ju)四(Si)氟(Fu)乙(Yi)烯(Xi)工(Gong)程(Cheng)塑(Su)料(Liao),(?)所(Suo)以(Yi)在(Zai)一(Yi)般(Ban)腐(Fu)蚀(Shi)性(Xing)介(Jie)质(Zhi)的(De)管(Guan)路(Lu)上(Shang)也(Ye)可(Ke)应(Ying)用(Yong),(?)工(Gong)作(Zuo)温(Wen)度(Du)在(Zai)-101--150℃(?)之(Zhi)间(Jian),(?)其(Qi)公(Gong)称(Cheng)压(Ya)力(Li)≤(?)4.0MPa,(?)公(Gong)称(Cheng)通(Tong)径(Jing)范(Fan)围(Wei)在(Zai)200—(?)1200之(Zhi)间(Jian);(?)
14、(?)对(Dui)于(Yu)不(Bu)可(Ke)压(Ya)缩(Suo)性(Xing)流(Liu)体(Ti)用(Yong)止(Zhi)回(Hui)阀(Fa)选(Xuan)择(Ze)时(Shi)首(Shou)先(Xian)要(Yao)对(Dui)所(Suo)需(Xu)要(Yao)的(De)关(Guan)闭(Bi)速(Su)度(Du)进(Jin)行(Xing)评(Ping)估(Gu),(?)第(Di)二(?)步(Bu)是(Shi)选(Xuan)择(Ze)可(Ke)能(Neng)满(Man)足(Zu)所(Suo)需(Xu)要(Yao)的(De)关(Guan)闭(Bi)速(Su)度(Du)的(De)止(Zhi)回(Hui)阀(Fa)的(De)类(Lei)型(Xing);(?)
15、(?)对(Dui)于(Yu)可(Ke)压(Ya)缩(Suo)性(Xing)流(Liu)体(Ti)用(Yong)止(Zhi)回(Hui)阀(Fa)选(Xuan)择(Ze)时(Shi)可(Ke)以(Yi)根(Gen)据(Ju)不(Bu)可(Ke)压(Ya)缩(Suo)性(Xing)流(Liu)体(Ti)用(Yong)止(Zhi)回(Hui)阀(Fa)的(De)类(Lei)似(Si)方(Fang)法(Fa)来(Lai)进(Jin)行(Xing)选(Xuan)择(Ze),(?)如(Ru)果(Guo)介(Jie)质(Zhi)流(Liu)动(Dong)范(Fan)畴(Chou)很(Hen)大(Da),(?)则(Ze)用(Yong)于(Yu)可(Ke)压(Ya)缩(Suo)性(Xing)流(Liu)体(Ti)的(De)止(Zhi)回(Hui)阀(Fa)可(Ke)使(Shi)用(Yong)一(Yi)减(Jian)速(Su)装(Zhuang)置(Zhi),(?)如(Ru)果(Guo)介(Jie)质(Zhi)流(Liu)连(Lian)续(Xu)不(Bu)断(Duan)地(Di)快(Kuai)速(Su)停(Ting)止(Zhi)和(He)启(Qi)动(Dong),(?)如(Ru)压(Ya)缩(Suo)机(Ji)的(De)出(Chu)口(Kou)那(Na)样(Yang),(?)则(Ze)使(Shi)用(Yong)升(Sheng)降(Jiang)式(Shi)止(Zhi)回(Hui)阀(Fa);(?)
16、(?)止(Zhi)回(Hui)阀(Fa)应(Ying)确(Que)定(Ding)相(Xiang)应(Ying)的(De)尺(Chi)寸(Cun),(?)阀(Fa)门(Men)供(Gong)应(Ying)商(Shang)必(Bi)须(Xu)提(Ti)供(Gong)选(Xuan)定(Ding)尺(Chi)寸(Cun)的(De)资(Zi)料(Liao)数(Shu)据(Ju),(?)这(Zhe)样(Yang)就(Jiu)能(Neng)找(Zhao)到(Dao)给(Gei)定(Ding)流(Liu)速(Su)下(Xia)阀(Fa)门(Men)全(Quan)开(Kai)时(Shi)的(De)阀(Fa)门(Men)尺(Chi)寸(Cun)大(Da)小(Xiao);(?)
17、(?)对(Dui)于(Yu)DN50mm以(Yi)下(Xia)的(De)高(Gao)中(Zhong)压(Ya)止(Zhi)回(Hui)阀(Fa),(?)宜(Yi)选(Xuan)用(Yong)立(Li)式(Shi)升(Sheng)降(Jiang)止(Zhi)回(Hui)阀(Fa)和(He)直(Zhi)通(Tong)式(Shi)升(Sheng)降(Jiang)止(Zhi)回(Hui)阀(Fa);(?)
18、(?)对(Dui)于(Yu)DN50mm以(Yi)下(Xia)的(De)低(Di)压(Ya)止(Zhi)回(Hui)阀(Fa),(?)宜(Yi)选(Xuan)用(Yong)蝶(Die)式(Shi)止(Zhi)回(Hui)阀(Fa)、(?)立(Li)式(Shi)升(Sheng)降(Jiang)止(Zhi)回(Hui)阀(Fa)和(He)隔(Ge)膜(Mo)式(Shi)止(Zhi)回(Hui)阀(Fa);(?)
19、(?)对(Dui)于(Yu)DN大(Da)于(Yu)50mm、(?)小(Xiao)于(Yu)600mm的(De)高(Gao)中(Zhong)压(Ya)止(Zhi)回(Hui)阀(Fa),(?)宜(Yi)选(Xuan)用(Yong)旋(Xuan)启(Qi)式(Shi)止(Zhi)回(Hui)阀(Fa);(?)
20、(?)对(Dui)于(Yu)DN大(Da)于(Yu)200mm、(?)小(Xiao)于(Yu)1200mm的(De)中(Zhong)低(Di)压(Ya)止(Zhi)回(Hui)阀(Fa),(?)宜(Yi)选(Xuan)用(Yong)无(Wu)磨(Mo)损(Sun)球(Qiu)形(Xing)止(Zhi)回(Hui)阀(Fa);(?)
21、(?)对(Dui)于(Yu)DN大(Da)于(Yu)50mm、(?)小(Xiao)于(Yu)2000mm的(De)低(Di)压(Ya)止(Zhi)回(Hui)阀(Fa),(?)宜(Yi)选(Xuan)用(Yong)蝶(Die)式(Shi)止(Zhi)回(Hui)阀(Fa)和(He)隔(Ge)膜(Mo)式(Shi)止(Zhi)回(Hui)阀(Fa);(?)
22、(?)对(Dui)于(Yu)要(Yao)求(Qiu)关(Guan)闭(Bi)时(Shi)水(Shui)击(Ji)冲(Chong)击(Ji)比(Bi)较(Jiao)小(Xiao)或(Huo)无(Wu)水(Shui)击(Ji)的(De)管(Guan)路(Lu),(?)宜(Yi)选(Xuan)用(Yong)缓(Huan)闭(Bi)式(Shi)旋(Xuan)启(Qi)止(Zhi)回(Hui)阀(Fa)和(He)缓(Huan)闭(Bi)式(Shi)蝶(Die)形(Xing)止(Zhi)回(Hui)阀(Fa)。(?)
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