大(Da)口(Kou)径(Jing)法(Fa)兰(Lan)蝶(Die)阀(Fa)（(?)D343H）(?)

立(Li)即(Ji)咨(Zi)询(Xun)

D343H大(Da)口(Kou)径(Jing)法(Fa)兰(Lan)蝶(Die)阀(Fa)采(Cai)用(Yong)先(Xian)进(Jin)的(De)Ｊ(?)形(Xing)弹(Dan)性(Xing)密(Mi)封(Feng)圈(Quan)和(He)多(Duo)层(Ceng)次(Ci)三(San)偏(Pian)心(Xin)结(Jie)构(Gou)设(She)计(Ji)制(Zhi)造(Zao)，(?)操(Cao)作(Zuo)灵(Ling)活(Huo)，(?)耐(Nai)磨(Mo)损(Sun)。(?)工(Gong)作(Zuo)时(Shi)间(Jian)长(Chang)的(De)优(You)点(Dian)。(?)是(Shi)目(Mu)前(Qian)工(Gong)业(Ye)管(Guan)网(Wang)使(Shi)用(Yong)广(Guang)泛(Fan)选(Xuan)用(Yong)的(De)蝶(Die)阀(Fa)种(Zhong)类(Lei)。(?)适(Shi)用(Yong)在(Zai)工(Gong)作(Zuo)温(Wen)度(Du)≤(?)600℃(?)的(De)钢(Gang)铁(Tie)、(?)电(Dian)力(Li)、(?)石(Shi)油(You)工(Gong)程(Cheng)、(?)及(Ji)输(Shu)水(Shui)工(Gong)程(Cheng)等(Deng)工(Gong)业(Ye)管(Guan)网(Wang)中(Zhong)，(?)用(Yong)作(Zuo)调(Diao)节(Jie)流(Liu)量(Liang)和(He)截(Jie)断(Duan)管(Guan)道(Dao)场(Chang)合(He)使(Shi)用(Yong)。(?)

D343H大(Da)口(Kou)径(Jing)法(Fa)兰(Lan)蝶(Die)阀(Fa)特(Te)点(Dian)

1、(?)使(Shi)用(Yong)多(Duo)层(Ceng)次(Ci)硬(Ying)密(Mi)封(Feng)结(Jie)构(Gou)，(?)阀(Fa)座(Zuo)与(Yu)阀(Fa)板(Ban)没(Mei)有(You)摩(Mo)擦(Ca)，(?)使(Shi)其(Qi)拥(Yong)有(You)关(Guan)闭(Bi)力(Li)矩(Ju)小(Xiao)，(?)可(Ke)靠(Kao)性(Xing)高(Gao)的(De)密(Mi)封(Feng)性(Xing)能(Neng)。(?)

2、(?)密(Mi)封(Feng)副(Fu)使(Shi)用(Yong)硬(Ying)密(Mi)封(Feng)不(Bu)锈(Xiu)钢(Gang)制(Zhi)造(Zao)，(?)具(Ju)有(You)金(Jin)属(Shu)硬(Ying)密(Mi)封(Feng)和(He)软(Ruan)密(Mi)封(Feng)的(De)双(Shuang)重(Zhong)特(Te)点(Dian)不(Bu)管(Guan)在(Zai)低(Di)温(Wen)，(?)高(Gao)温(Wen)工(Gong)况(Kuang)介(Jie)质(Zhi)工(Gong)况(Kuang)下(Xia)，(?)都(Du)有(You)良(Liang)好(Hao)的(De)密(Mi)封(Feng)功(Gong)能(Neng)，(?)使(Shi)其(Qi)具(Ju)有(You)耐(Nai)腐(Fu)蚀(Shi),工(Gong)作(Zuo)时(Shi)间(Jian)长(Chang)等(Deng)性(Xing)能(Neng)。(?)

3、(?)蝶(Die)板(Ban)密(Mi)封(Feng)副(Fu)使(Shi)用(Yong)堆(Dui)焊(Han)钴(Gu)基(Ji)硬(Ying)质(Zhi)合(He)金(Jin)材(Cai)料(Liao)制(Zhi)造(Zao),磨(Mo)损(Sun)少(Shao),工(Gong)作(Zuo)时(Shi)间(Jian)长(Chang)。(?)

4. 精(Jing)密(Mi)机(Ji)械(Xie)加(Jia)工(Gong)保(Bao)证(Zheng)阀(Fa)门(Men)在(Zai)高(Gao)温(Wen)，(?)高(Gao)压(Ya)等(Deng)何(He)种(Zhong)使(Shi)用(Yong)情(Qing)况(Kuang)都(Du)拥(Yong)有(You)很(Hen)好(Hao)的(De)运(Yun)行(Xing)性(Xing)能(Neng)。(?)

5、(?)驱(Qu)动(Dong)蝶(Die)阀(Fa)厂(Chang)家(Jia)可(Ke)配(Pei)蜗(Wo)轮(Lun),或(Huo)电(Dian),气(Qi)动(Dong)传(Chuan)动(Dong).运(Yun)行(Xing)控(Kong)制(Zhi)。(?)

大(Da)口(Kou)径(Jing)法(Fa)兰(Lan)蝶(Die)阀(Fa)参(Can)数(Shu)