新(Xin)型(Xing)套(Tao)筒(Tong)阀(Fa)有(You)许(Xu)多(Duo)优(You)点(Dian)

　(?)　(?)新(Xin)型(Xing)套(Tao)筒(Tong)阀(Fa)有(You)许(Xu)多(Duo)优(You)点(Dian)：(?)
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　(?)　(?)①(?)采(Cai)用(Yong)平(Ping)衡(Heng)式(Shi)结(Jie)构(Gou),阀(Fa)前(Qian)后(Hou)介(Jie)质(Zhi)压(Ya)差(Cha)对(Dui)阀(Fa)瓣(Ban)产(Chan)生(Sheng)的(De)不(Bu)平(Ping)衡(Heng)力(Li)非(Fei)常(Chang)小(Xiao),相(Xiang)同(Tong)工(Gong)况(Kuang)下(Xia)同(Tong)类(Lei)型(Xing)阀(Fa)门(Men)所(Suo)需(Xu)要(Yao)的(De)执(Zhi)行(Xing)机(Ji)构(Gou)推(Tui)力(Li)小(Xiao),所(Suo)以(Yi)其(Qi)阀(Fa)杆(Gan)直(Zhi)径(Jing)比(Bi)单(Dan)座(Zuo)非(Fei)平(Ping)衡(Heng)阀(Fa)设(She)计(Ji)或(Huo)选(Xuan)择(Ze)更(Geng)小(Xiao)。(?)
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　(?)　(?)②(?)阀(Fa)杆(Gan)与(Yu)填(Tian)料(Liao)之(Zhi)间(Jian)的(De)摩(Mo)擦(Ca)力(Li)比(Bi)较(Jiao)小(Xiao),减(Jian)小(Xiao)了(Liao)阀(Fa)门(Men)动(Dong)作(Zuo)的(De)阻(Zu)力(Li),且(Qie)阀(Fa)杆(Gan)和(He)填(Tian)料(Liao)的(De)磨(Mo)损(Sun)也(Ye)小(Xiao),使(Shi)用(Yong)寿(Shou)命(Ming)增(Zeng)加(Jia)。(?)另(Ling)外(Wai),较(Jiao)小(Xiao)直(Zhi)径(Jing)的(De)阀(Fa)杆(Gan)在(Zai)中(Zhong)高(Gao)温(Wen)时(Shi)热(Re)胀(Zhang)冷(Leng)缩(Suo)变(Bian)化(Hua)量(Liang)小(Xiao),避(Bi)免(Mian)了(Liao)在(Zai)中(Zhong)高(Gao)温(Wen)时(Shi)阀(Fa)杆(Gan)与(Yu)填(Tian)料(Liao)之(Zhi)间(Jian)摩(Mo)擦(Ca)力(Li)增(Zeng)大(Da)或(Huo)互(Hu)相(Xiang)抱(Bao)卡(Ka)塞(Sai)住(Zhu)的(De)情(Qing)况(Kuang)发(Fa)生(Sheng)。(?)
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　(?)　(?)③(?)由(You)于(Yu)新(Xin)型(Xing)套(Tao)筒(Tong)阀(Fa)是(Shi)平(Ping)衡(Heng)式(Shi)结(Jie)构(Gou),与(Yu)非(Fei)平(Ping)衡(Heng)式(Shi)的(De)直(Zhi)通(Tong)单(Dan)座(Zuo)阀(Fa)比(Bi)较(Jiao),所(Suo)配(Pei)置(Zhi)的(De)执(Zhi)行(Xing)机(Ji)构(Gou)可(Ke)以(Yi)比(Bi)较(Jiao)小(Xiao),但(Dan)却(Que)可(Ke)以(Yi)克(Ke)服(Fu)比(Bi)直(Zhi)通(Tong)单(Dan)座(Zuo)调(Diao)节(Jie)阀(Fa)高(Gao)的(De)介(Jie)质(Zhi)压(Ya)差(Cha)。(?)例(Li)如(Ru),DN200/DN250/DN300的(De)新(Xin)型(Xing)套(Tao)筒(Tong)调(Diao)节(Jie)阀(Fa)只(Zhi)需(Xu)配(Pei)置(Zhi)C60气(Qi)缸(Gang)式(Shi)执(Zhi)行(Xing)机(Ji)构(Gou),不(Bu)需(Xu)要(Yao)更(Geng)大(Da)的(De)气(Qi)缸(Gang)执(Zhi)行(Xing)机(Ji)构(Gou)。(?)zui大(Da)阀(Fa)座(Zuo)直(Zhi)径(Jing)时(Shi),允(Yun)许(Xu)工(Gong)作(Zuo)压(Ya)差(Cha)是(Shi)相(Xiang)同(Tong)配(Pei)置(Zhi)直(Zhi)通(Tong)单(Dan)座(Zuo)调(Diao)节(Jie)阀(Fa)的(De)2倍(Bei)左(Zuo)右(You),也(Ye)可(Ke)配(Pei)置(Zhi)薄(Bao)膜(Mo)式(Shi)执(Zhi)行(Xing)机(Ji)构(Gou)和(He)防(Fang)爆(Bao)电(Dian)动(Dong)执(Zhi)行(Xing)机(Ji)构(Gou)。(?)
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　(?)　(?)④(?)新(Xin)型(Xing)套(Tao)筒(Tong)调(Diao)节(Jie)阀(Fa)采(Cai)用(Yong)自(Zi)对(Dui)中(Zhong)无(Wu)螺(Luo)纹(Wen)卡(Ka)入(Ru)式(Shi)阀(Fa)座(Zuo)结(Jie)构(Gou)和(He)模(Mo)块(Kuai)化(Hua)设(She)计(Ji),阀(Fa)门(Men)拆(Chai)装(Zhuang)方(Fang)便(Bian),并(Bing)能(Neng)达(Da)到(Dao)Ⅳ(?)级(Ji)以(Yi)上(Shang)泄(Xie)漏(Lou)量(Liang)标(Biao)准(Zhun)。(?)
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　(?)　(?)⑤(?)在(Zai)150℃(?)以(Yi)下(Xia)时(Shi),金(Jin)属(Shu)硬(Ying)密(Mi)封(Feng)可(Ke)以(Yi)达(Da)到(Dao)Ⅳ(?)级(Ji)以(Yi)上(Shang)泄(Xie)漏(Lou)量(Liang)标(Biao)准(Zhun),聚(Ju)四(Si)氟(Fu)乙(Yi)烯(Xi)软(Ruan)密(Mi)封(Feng)可(Ke)以(Yi)达(Da)到(Dao)Ⅵ(?)级(Ji)泄(Xie)漏(Lou)量(Liang)标(Biao)准(Zhun)。(?)DN200/DN250/DN300的(De)新(Xin)型(Xing)套(Tao)筒(Tong)调(Diao)节(Jie)阀(Fa)使(Shi)用(Yong)寿(Shou)命(Ming)高(Gao)于(Yu)直(Zhi)通(Tong)单(Dan)座(Zuo)调(Diao)节(Jie)阀(Fa)。(?)
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　(?)　(?)⑥(?)新(Xin)型(Xing)套(Tao)筒(Tong)调(Diao)节(Jie)阀(Fa)在(Zai)DN80以(Yi)上(Shang)时(Shi),调(Diao)节(Jie)范(Fan)围(Wei)的(De)几(Ji)何(He)尺(Chi)寸(Cun)和(He)公(Gong)差(Cha)应(Ying)符(Fu)合(He)图(Tu)样(Yang)要(Yao)求(Qiu)。(?)
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　(?)　(?)高(Gao)温(Wen)蝶(Die)阀(Fa),套(Tao)筒(Tong)阀(Fa),铸(Zhu)铁(Tie)闸(Zha)门(Men),卸(Xie)灰(Hui)阀(Fa),眼(Yan)镜(Jing)阀(Fa),渠(Qu)道(Dao)闸(Zha)门(Men)
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