液(ye)(ye)(ye)(ye)(ye)动(dong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)液(ye)(ye)(ye)(ye)(ye)动(dong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)技(ji)术要求(qiu)：1.液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)源接口：RC1/22.液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)缸(gang)操(cao)作(zuo)(zuo)压(ya)(ya)力：MPa、3.紧急(ji)切断(duan)时(shi)间；：JB/T79-94GB/气(qi)(qi)(qi)(qi)动(dong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)气(qi)(qi)(qi)(qi)动(dong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)就是(shi)借助(zhu)压(ya)(ya)缩(suo)空气(qi)(qi)(qi)(qi)驱动(dong)的阀(fa)(fa)(fa)门。气(qi)(qi)(qi)(qi)动(dong)阀(fa)(fa)(fa)采(cai)购时(shi)只(zhi)明确规格、类别、工(gong)压(ya)(ya)就满足采(cai)购要求(qiu)的作(zuo)(zuo)气(qi)(qi)(qi)(qi)法，在当前市场(chang)经(jing)济环境里(li)是(shi)不(bu)完善(shan)的。液(ye)(ye)(ye)(ye)(ye)动(dong)式抽(chou)气(qi)(qi)(qi)(qi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)液(ye)(ye)(ye)(ye)(ye)动(dong)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)技(ji)术要求(qiu)：1.液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)源接口：RC1/22.液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)缸(gang)操(cao)作(zuo)(zuo)压(ya)(ya)力：MPa,3.紧急(ji)切断(duan)时(shi)间;GB/12221-89旋(xuan)启(qi)式快(kuai)关止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)旋(xuan)启(qi)式快(kuai)关止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)适(shi)(shi)用(yong)于(yu)公(gong)称压(ya)(ya)力、Class150-2500；公(gong)称通径DN15~1200mm、NPS1/2~48；工(gong)作(zuo)(zuo)温(wen)度－196~540℃的各种管路上，用(yong)于(yu)防(fang)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)介(jie)质倒流。通过(guo)选用(yong)不(bu)同的材质快(kuai)关止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)可适(shi)(shi)用(yong)于(yu)水、蒸汽(qi)、油品、硝酸(suan)、醋酸(suan)、强氧化性(xing)介(jie)质及尿素等多种介(jie)质。抽(chou)气(qi)(qi)(qi)(qi)逆(ni)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)抽(chou)气(qi)(qi)(qi)(qi)逆(ni)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)特点(dian)1.抽(chou)气(qi)(qi)(qi)(qi)逆(ni)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)针对不(bu)同温(wen)度，主体材料采(cai)用(yong)碳(tan)钢(gang)或高温(wen)钢(gang)，密(mi)封面堆(dui)焊硬质合金。2.阀(fa)(fa)(fa)门配有(you)阻尼重锤(chui)，可平衡关闭(bi)件(jian)动(dong)力矩(ju)，防(fang)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)不(bu)锤(chui)的发生。3.抽(chou)气(qi)(qi)(qi)(qi)逆(ni)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)阀(fa)(fa)(fa)座密(mi)封面倾斜一定角度，减(jian)少关闭(bi)时(shi)间，减(jian)轻冲(chong)击(ji)，保(bao)护设备本身和管道安(an)全(quan)。H664Y系列(lie)抽(chou)汽(qi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)H664Y系列(lie)抽(chou)汽(qi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)阀(fa)(fa)(fa)门类型：旋(xuan)启(qi)式抽(chou)汽(qi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)口径范围：DN100-DN1000压(ya)(ya)力范围：PN16-PN100。大科阀(fa)(fa)(fa)门集团有(you)限公(gong)司为您提供止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)设备。吉林304止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)阀(fa)(fa)(fa)

流(liu)(liu)(liu)体(ti)(ti)压力(li)使(shi)(shi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)从阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座密封面上(shang)(shang)抬起，介(jie)(jie)质(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)流(liu)(liu)(liu)导(dao)致(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)回(hui)(hui)(hui)(hui)(hui)(hui)落到阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座上(shang)(shang)，并切断流(liu)(liu)(liu)动(dong)。根据(ju)使(shi)(shi)用条件，阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)可(ke)以(yi)(yi)是(shi)全金属(shu)结(jie)构(gou)，也(ye)可(ke)以(yi)(yi)是(shi)在(zai)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)架上(shang)(shang)镶嵌橡胶垫或橡胶环的(de)(de)形式(shi)(shi)(shi)。像(xiang)截止(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)一样(yang)，流(liu)(liu)(liu)体(ti)(ti)通(tong)过升(sheng)降(jiang)(jiang)(jiang)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)通(tong)道(dao)也(ye)是(shi)狭窄的(de)(de)，因此(ci)通(tong)过升(sheng)降(jiang)(jiang)(jiang)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)压力(li)降(jiang)(jiang)(jiang)比旋(xuan)启(qi)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)大些，而且旋(xuan)启(qi)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)流(liu)(liu)(liu)量(liang)受到的(de)(de)限(xian)制很少。衬(chen)氟(fu)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)结(jie)构(gou)分(fen)类：1、衬(chen)氟(fu)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)呈圆盘状，绕(rao)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座通(tong)道(dao)的(de)(de)转轴(zhou)作旋(xuan)转运动(dong)，因阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)内通(tong)道(dao)成流(liu)(liu)(liu)线(xian)型，流(liu)(liu)(liu)动(dong)阻力(li)比升(sheng)蝶式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)小(xiao)(xiao)，适(shi)用于低流(liu)(liu)(liu)速和流(liu)(liu)(liu)动(dong)不常变化的(de)(de)大口径(jing)场(chang)合(he)，但不宜用于脉动(dong)流(liu)(liu)(liu)，其密封性(xing)能不及升(sheng)降(jiang)(jiang)(jiang)式(shi)(shi)(shi)。蝶式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分(fen)单瓣(ban)(ban)(ban)(ban)式(shi)(shi)(shi)、双瓣(ban)(ban)(ban)(ban)式(shi)(shi)(shi)和多半式(shi)(shi)(shi)三(san)种(zhong)，这三(san)种(zhong)形式(shi)(shi)(shi)主要按阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)门(men)口径(jing)来分(fen)，目的(de)(de)是(shi)为了防止(zhi)(zhi)(zhi)(zhi)(zhi)介(jie)(jie)质(zhi)停止(zhi)(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)动(dong)或倒流(liu)(liu)(liu)时，减弱(ruo)水力(li)冲(chong)击。2、衬(chen)氟(fu)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)沿(yan)着阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)垂(chui)直中心线(xian)滑动(dong)的(de)(de)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，消声止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)只能安(an)装(zhuang)(zhuang)在(zai)水平管道(dao)上(shang)(shang)优好安(an)装(zhuang)(zhuang)在(zai)垂(chui)直管道(dao)上(shang)(shang)，在(zai)高压小(xiao)(xiao)口径(jing)止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)上(shang)(shang)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)可(ke)采用圆球。消声止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)形状与(yu)截止(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)一样(yang)（可(ke)与(yu)截止(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)通(tong)用），因此(ci)它(ta)的(de)(de)流(liu)(liu)(liu)体(ti)(ti)阻力(li)系(xi)数(shu)较大。其结(jie)构(gou)与(yu)截止(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)相(xiang)似，阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)体(ti)(ti)和阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)与(yu)截止(zhi)(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)相(xiang)同。阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)上(shang)(shang)部和阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)盖下(xia)部加工有导(dao)向套简(jian)(jian)，阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)导(dao)向简(jian)(jian)可(ke)在(zai)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)盏导(dao)向简(jian)(jian)内自由升(sheng)降(jiang)(jiang)(jiang)，当介(jie)(jie)质(zhi)顺流(liu)(liu)(liu)时，阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)(ban)(ban)靠(kao)介(jie)(jie)质(zhi)推力(li)开(kai)启(qi)。北京(jing)国标止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)供应(ying)商大科阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)门(men)集团有限(xian)公司致(zhi)力(li)于提(ti)供止(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)设(she)备(bei)，有需要可(ke)以(yi)(yi)联系(xi)我司哦(e)！

止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)又称为逆(ni)流(liu)(liu)阀(fa)(fa)(fa)(fa)(fa)、逆(ni)止(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)、背(bei)压阀(fa)(fa)(fa)(fa)(fa)、单向阀(fa)(fa)(fa)(fa)(fa)。这类阀(fa)(fa)(fa)(fa)(fa)门(men)是(shi)靠管路(lu)中(zhong)介(jie)质本身的(de)流(liu)(liu)动(dong)(dong)(dong)产(chan)(chan)(chan)(chan)生(sheng)的(de)力而自(zi)(zi)动(dong)(dong)(dong)开启和(he)关闭(bi)(bi)的(de)，属于(yu)一(yi)种自(zi)(zi)动(dong)(dong)(dong)阀(fa)(fa)(fa)(fa)(fa)门(men)。球(qiu)(qiu)形(xing)(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)是(shi)一(yi)种采用多球(qiu)(qiu)、多流(liu)(liu)道、多锥型倒流(liu)(liu)体(ti)结构的(de)止(zhi)(zhi)(zhi)(zhi)同(tong)阀(fa)(fa)(fa)(fa)(fa)，主要(yao)(yao)由前后(hou)阀(fa)(fa)(fa)(fa)(fa)体(ti)、胶(jiao)球(qiu)(qiu)、锥型体(ti)等组成。中(zhong)文(wen)名(ming)球(qiu)(qiu)形(xing)(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)外文(wen)名(ming)Sphericalcheckvalve阀(fa)(fa)(fa)(fa)(fa)瓣橡胶(jiao)包皮(pi)球(qiu)(qiu)公称压力：～公称经(jing)：40～350mm。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)概述：止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)是(shi)用于(yu)管路(lu)系统(tong)介(jie)质顺流(liu)(liu)时(shi)开启、逆(ni)流(liu)(liu)时(shi)关闭(bi)(bi)的(de)自(zi)(zi)动(dong)(dong)(dong)阀(fa)(fa)(fa)(fa)(fa)门(men)，主要(yao)(yao)作用是(shi)防(fang)止(zhi)(zhi)(zhi)(zhi)介(jie)质的(de)倒流(liu)(liu)、泵(beng)及驱动(dong)(dong)(dong)机球(qiu)(qiu)形(xing)(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)械反(fan)转，防(fang)止(zhi)(zhi)(zhi)(zhi)水泵(beng)及驱动(dong)(dong)(dong)电机突然(ran)停止(zhi)(zhi)(zhi)(zhi)运(yun)行时(shi)产(chan)(chan)(chan)(chan)生(sheng)的(de)水击波，减轻对(dui)管路(lu)系统(tong)的(de)破坏。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)按关闭(bi)(bi)件(jian)与阀(fa)(fa)(fa)(fa)(fa)座的(de)相(xiang)对(dui)位(wei)(wei)移方式(shi)(shi)可以分(fen)为：升(sheng)降式(shi)(shi)、旋(xuan)启式(shi)(shi)、碟(die)形(xing)(xing)、隔膜式(shi)(shi)和(he)球(qiu)(qiu)形(xing)(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)等五(wu)大(da)(da)类。对(dui)于(yu)上述止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)，大(da)(da)多存(cun)在以下缺点：关闭(bi)(bi)时(shi)由于(yu)水锤(chui)作用产(chan)(chan)(chan)(chan)生(sheng)的(de)“巨响(xiang)”和(he)振动(dong)(dong)(dong)；由于(yu)阀(fa)(fa)(fa)(fa)(fa)板(ban)(ban)振动(dong)(dong)(dong)使阀(fa)(fa)(fa)(fa)(fa)中(zhong)“关节性(xing)零件(jian)”轴和(he)轴套之间产(chan)(chan)(chan)(chan)生(sheng)机械摩擦(ca)运(yun)动(dong)(dong)(dong)，当阀(fa)(fa)(fa)(fa)(fa)板(ban)(ban)振动(dong)(dong)(dong)频率过高时(shi)，轴和(he)轴套间会(hui)产(chan)(chan)(chan)(chan)生(sheng)机械摩擦(ca)运(yun)动(dong)(dong)(dong)，阀(fa)(fa)(fa)(fa)(fa)板(ban)(ban)移位(wei)(wei)，密封失效，有时(shi)会(hui)造成阀(fa)(fa)(fa)(fa)(fa)板(ban)(ban)脱(tuo)落，使系统(tong)保(bao)护失效；阀(fa)(fa)(fa)(fa)(fa)内流(liu)(liu)体(ti)流(liu)(liu)态紊乱，流(liu)(liu)阻损失大(da)(da)，能源损失严重等。为避免和(he)改(gai)善(shan)以上缺点。

HC44X橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)由(you)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)体、阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)盖、阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)和弹簧等组成(cheng)(cheng)，主要用(yong)于(yu)(yu)给排(pai)水(shui)(shui)系(xi)统、石油、化(hua)工(gong)等工(gong)业(ye)部门(men)的(de)管(guan)(guan)道出口(kou)处，防(fang)止(zhi)介质(zhi)逆流(liu)。由(you)于(yu)(yu)本产(chan)品(pin)的(de)封圈采用(yong)倾(qing)斜设计(ji)(ji)，关闭(bi)时(shi)间短，可(ke)减少水(shui)(shui)锤压力。阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)采用(yong)丁腈橡(xiang)(xiang)胶(jiao)(jiao)与钢板经(jing)高温压制(zhi)而成(cheng)(cheng)，耐冲(chong)刷，密封性能好，产(chan)品(pin)结构简单(dan)、保养、维(wei)修、运(yun)输(shu)均很(hen)(hen)方便。HC44X橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)式(shi)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)产(chan)品(pin)概(gai)述：HC44X（SFCV）型橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)式(shi)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)PN10~PN40,125LB-300LB橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)适用(yong)于(yu)(yu)压力工(gong)作温度-29~+80℃的(de)石油、化(hua)工(gong)、制(zhi)药、化(hua)肥、电(dian)力行业(ye)等各种(zhong)工(gong)况的(de)管(guan)(guan)路(lu)上，适用(yong)介质(zhi)为(wei)(wei)水(shui)(shui)、油品(pin)介质(zhi)等。是控制(zhi)管(guan)(guan)道内介质(zhi)单(dan)向(xiang)流(liu)向(xiang)的(de)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)门(men)，用(yong)来防(fang)止(zhi)管(guan)(guan)路(lu)中的(de)介质(zhi)倒流(liu)。属于(yu)(yu)自动阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)类，启闭(bi)件(jian)靠流(liu)动介质(zhi)的(de)力量自行开启或关闭(bi)。该阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)由(you)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)体、阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)盖、阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)和弹簧等组成(cheng)(cheng)，HC44XSFCV型橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)式(shi)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)主要用(yong)于(yu)(yu)给排(pai)水(shui)(shui)系(xi)统、石油、化(hua)工(gong)等工(gong)业(ye)部门(men)的(de)管(guan)(guan)道出口(kou)处，防(fang)止(zhi)介质(zhi)逆流(liu)。HC44XSFCV型橡(xiang)(xiang)胶(jiao)(jiao)瓣(ban)式(shi)止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)封圈采用(yong)倾(qing)斜设计(ji)(ji)，关闭(bi)时(shi)间短，可(ke)减少水(shui)(shui)锤压力。阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)采用(yong)丁腈橡(xiang)(xiang)胶(jiao)(jiao)与钢板经(jing)高温压制(zhi)而成(cheng)(cheng)，耐冲(chong)刷，密封性能好，产(chan)品(pin)结构简单(dan)、保养、维(wei)修、运(yun)输(shu)均很(hen)(hen)方便。大科阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)门(men)集(ji)团有限公司为(wei)(wei)您提供止(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)(fa)设备，欢迎您的(de)来电(dian)哦！

旋(xuan)启式(shi)(shi)(shi)和升降式(shi)(shi)(shi)阀(fa)(fa)(fa)(fa)(fa)(fa)瓣金(jin)(jin)属(shu)密(mi)封面。阀(fa)(fa)(fa)(fa)(fa)(fa)体(ti)和阀(fa)(fa)(fa)(fa)(fa)(fa)盖(gai)连(lian)接(jie)形(xing)式(shi)(shi)(shi)：Class150~Class900采(cai)(cai)用(yong)(yong)(yong)栓接(jie)阀(fa)(fa)(fa)(fa)(fa)(fa)盖(gai)；Class1500~Class2500采(cai)(cai)用(yong)(yong)(yong)自(zi)(zi)(zi)(zi)压(ya)密(mi)封式(shi)(shi)(shi)阀(fa)(fa)(fa)(fa)(fa)(fa)盖(gai)。阀(fa)(fa)(fa)(fa)(fa)(fa)盖(gai)垫(dian)片(pian)(pian)形(xing)式(shi)(shi)(shi)：Class150~Class300止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)采(cai)(cai)用(yong)(yong)(yong)不(bu)(bu)(bu)锈(xiu)(xiu)钢(gang)(gang)石墨(mo)(mo)缠绕垫(dian)片(pian)(pian)；Class600止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)(ke)用(yong)(yong)(yong)不(bu)(bu)(bu)锈(xiu)(xiu)钢(gang)(gang)石墨(mo)(mo)缠绕垫(dian)片(pian)(pian)也(ye)可(ke)(ke)(ke)采(cai)(cai)用(yong)(yong)(yong)金(jin)(jin)属(shu)环(huan)垫(dian)片(pian)(pian)；Class900止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)(ke)采(cai)(cai)用(yong)(yong)(yong)金(jin)(jin)属(shu)环(huan)垫(dian)片(pian)(pian)，Class1500~Class2500止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)采(cai)(cai)用(yong)(yong)(yong)自(zi)(zi)(zi)(zi)压(ya)密(mi)封金(jin)(jin)属(shu)环(huan)。阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)：碳钢(gang)(gang)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)通常采(cai)(cai)用(yong)(yong)(yong)锻钢(gang)(gang)材料，阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)密(mi)封面可(ke)(ke)(ke)根据(ju)客户要(yao)求喷(pen)焊硬质(zhi)(zhi)合金(jin)(jin)，NPS小于(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)10的(de)(de)(de)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)采(cai)(cai)用(yong)(yong)(yong)分离式(shi)(shi)(shi)螺(luo)纹旋(xuan)入式(shi)(shi)(shi)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)，如(ru)果用(yong)(yong)(yong)户需(xu)要(yao)焊阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)结(jie)构(gou)也(ye)可(ke)(ke)(ke)提供(gong)；NPS大于(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)12截(jie)止(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)采(cai)(cai)用(yong)(yong)(yong)焊阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)结(jie)构(gou)；不(bu)(bu)(bu)锈(xiu)(xiu)钢(gang)(gang)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)一般采(cai)(cai)用(yong)(yong)(yong)整体(ti)式(shi)(shi)(shi)或者(zhe)在(zai)本(ben)体(ti)上焊硬质(zhi)(zhi)合金(jin)(jin)后直接(jie)加工(gong)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)。如(ru)果用(yong)(yong)(yong)户有(you)(you)(you)需(xu)求，不(bu)(bu)(bu)锈(xiu)(xiu)钢(gang)(gang)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)也(ye)可(ke)(ke)(ke)采(cai)(cai)用(yong)(yong)(yong)分离式(shi)(shi)(shi)螺(luo)纹旋(xuan)入式(shi)(shi)(shi)和焊接(jie)阀(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)结(jie)构(gou)。铸钢(gang)(gang)旋(xuan)启式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)结(jie)构(gou)特(te)征：大口径的(de)(de)(de)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)设计有(you)(you)(you)吊环(huan)，方便起(qi)吊。栓接(jie)阀(fa)(fa)(fa)(fa)(fa)(fa)盖(gai)，中(zhong)法兰垫(dian)片(pian)(pian)的(de)(de)(de)型式(shi)(shi)(shi)可(ke)(ke)(ke)根据(ju)压(ya)力等(deng)级(ji)的(de)(de)(de)不(bu)(bu)(bu)同进(jin)行选择；CLASS600的(de)(de)(de)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)(ke)采(cai)(cai)用(yong)(yong)(yong)压(ya)力自(zi)(zi)(zi)(zi)紧密(mi)封结(jie)构(gou)。阀(fa)(fa)(fa)(fa)(fa)(fa)瓣限位(wei)(wei)装置，防止(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)(fa)(fa)瓣打开位(wei)(wei)置过高而(er)无法关闭。实(shi)心(xin)销(xiao)轴安装精确，强(qiang)(qiang)度(du)(du)高，保证了阀(fa)(fa)(fa)(fa)(fa)(fa)门的(de)(de)(de)使(shi)用(yong)(yong)(yong)性能和使(shi)用(yong)(yong)(yong)寿命。摇杆(gan)具有(you)(you)(you)足(zu)够(gou)的(de)(de)(de)强(qiang)(qiang)度(du)(du)，关闭时(shi)有(you)(you)(you)足(zu)够(gou)的(de)(de)(de)自(zi)(zi)(zi)(zi)由(you)度(du)(du)以利于(yu)(yu)(yu)阀(fa)(fa)(fa)(fa)(fa)(fa)瓣关闭。阀(fa)(fa)(fa)(fa)(fa)(fa)瓣具有(you)(you)(you)足(zu)够(gou)的(de)(de)(de)强(qiang)(qiang)度(du)(du)和刚度(du)(du)。大科(ke)阀(fa)(fa)(fa)(fa)(fa)(fa)门集(ji)团(tuan)有(you)(you)(you)限公司为您提供(gong)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)设备(bei)，有(you)(you)(you)想法的(de)(de)(de)不(bu)(bu)(bu)要(yao)错过哦！中(zhong)国台湾电动止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)(fa)(fa)哪家好

止回阀(fa)设备，就(jiu)选(xuan)大科(ke)阀(fa)门集团有限公司(si)，让(rang)您满意，欢迎(ying)新(xin)老客户来(lai)电！吉(ji)林304止回阀(fa)

止回阀有什么用途？

止回(hui)阀(fa)(fa)是(shi)指依靠介(jie)质(zhi)本身流动(dong)而自动(dong)开、闭阀(fa)(fa)瓣，用来(lai)防(fang)止介(jie)质(zhi)倒流的阀(fa)(fa)门，又(you)称逆止阀(fa)(fa)、单向(xiang)阀(fa)(fa)、逆流阀(fa)(fa)、和(he)背压阀(fa)(fa)。止回(hui)阀(fa)(fa)属(shu)于一(yi)种自动(dong)阀(fa)(fa)门，其主(zhu)要(yao)作用是(shi)防(fang)止介(jie)质(zhi)倒流、防(fang)止泵及驱动(dong)电动(dong)机反(fan)转，以及容器(qi)介(jie)质(zhi)的泄放。

止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)按(an)结构划(hua)分，可(ke)分为(wei)升(sheng)降(jiang)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)、旋启式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)和蝶(die)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)三(san)种。升(sheng)降(jiang)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)可(ke)分为(wei)立式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)和卧式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)两种。旋启式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)分为(wei)单(dan)瓣(ban)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)、双瓣(ban)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)和多瓣(ban)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)三(san)种。蝶(die)式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)为(wei)直通式(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)、以上几(ji)种止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)在连接(jie)形式(shi)(shi)上可(ke)分为(wei)螺纹(wen)连接(jie)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)、法兰(lan)连接(jie)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)和焊(han)接(jie)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)三(san)种。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)又称(cheng)单(dan)向阀(fa)(fa)(fa)(fa)或逆止(zhi)(zhi)(zhi)(zhi)阀(fa)(fa)(fa)(fa)，其作用是防止(zhi)(zhi)(zhi)(zhi)管路(lu)中的介(jie)质倒流(liu)。吉林304止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)阀(fa)(fa)(fa)(fa)

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