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杠桿重錘式減壓閥

簡要描述:
Y45Y杠桿重錘式減壓閥是一種自動降低管路工作壓力的專門裝置,它可將閥前管路較高的水壓減少至閥后管路所需的水平。使閥后壓力保持在一定范圍內,在進口壓力不斷變化的情況下,保持出口壓力在設定的范圍內,保護其后的生活生產器具。減壓比一般用0.6較合適。
升級內容更新時間間隔:2021-12-24 造訪量:3516 中間商性:產出產家 生產制造ip地址:濟南市青浦區金澤工業生產居民小區8號
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適用介質水,蒸汽,油品,各種高腐蝕化學介質,弱酸堿介質,氨氣,氮氣,氧氣,氫氣,液化氣,空氣,煤氣,含塵氣體壓力環境高壓
工作溫度常溫流動方向單向
驅動方式手動零部件及配件閥桿
形態柱塞式類型直通式
密封形式硬密封式公稱通徑15-800mm
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Y45Y杠桿重錘式減壓閥產品說明

就是種自動的減小線路操作水流量數據的專門針對試驗裝置,它可將閥前線路較高的水流量數據提高至閥后線路所需要的品質。緩解壓力閥很廣用做中高層施工、地方給排水官網中水流量數據過高的空間、水井還有其他的場所,有保障給排水軟件模式中各清水點提升非常合適的服務的水流量數據和流量數據。上述情況水的漏失率和諸多浪費的程度可以說同給排水軟件模式的水流量數據深淺相等,因為緩解壓力閥具有著優化軟件模式正常運作負荷和潛在性節約水設備效應,據核算其節約水設備體驗約為30%。

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靈活運用夯(hang)錘式(shi)和(he)桿杠來不(bu)平衡量(liang)能力(li)在(zai)閥(fa)(fa)(fa)瓣上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)力(li),完(wan)成(cheng)(cheng)調整夯(hang)錘式(shi)在(zai)桿杠上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)(de)位置或(huo)變化(hua)夯(hang)錘式(shi)的(de)(de)(de)(de)(de)(de)(de)線質量(liang)來調整調節排壓(ya)(ya)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)進(jin)入負壓(ya)(ya)歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)閥(fa)(fa)(fa)蓋與自動履(lv)行(xing)(xing)裝置當中設施(shi)成(cheng)(cheng)散(san)熱(re)(re)(re)架,歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)散(san)熱(re)(re)(re)架具有(you)筒(tong)身(shen)(shen)、上(shang)(shang)卡(ka)箍(gu)(gu)、下(xia)卡(ka)箍(gu)(gu)、散(san)熱(re)(re)(re)片,歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)筒(tong)身(shen)(shen)套接在(zai)閥(fa)(fa)(fa)桿壁上(shang)(shang),歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)卡(ka)箍(gu)(gu)規定好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)設施(shi)成(cheng)(cheng)在(zai)筒(tong)身(shen)(shen)頂端,歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)下(xia)卡(ka)箍(gu)(gu)規定好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)設施(shi)成(cheng)(cheng)在(zai)筒(tong)身(shen)(shen)左下(xia)方(fang),歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)散(san)熱(re)(re)(re)片不(bu)均設施(shi)成(cheng)(cheng)在(zai)筒(tong)身(shen)(shen)壁上(shang)(shang),歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)卡(ka)箍(gu)(gu)完(wan)成(cheng)(cheng)螺(luo)帽(mao)與自動履(lv)行(xing)(xing)裝置規定好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)進(jin)行(xing)(xing)聯(lian)接,歸(gui)(gui)(gui)結(jie)的(de)(de)(de)(de)(de)(de)(de)下(xia)卡(ka)箍(gu)(gu)完(wan)成(cheng)(cheng)螺(luo)帽(mao)與上(shang)(shang)閥(fa)(fa)(fa)蓋規定好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)進(jin)行(xing)(xing)聯(lian)接,完(wan)成(cheng)(cheng)設施(shi)成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)散(san)熱(re)(re)(re)架,將排壓(ya)(ya)閥(fa)(fa)(fa)程序運行(xing)(xing)時候(hou)中生成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)立(li)刻散(san)出,不(bu)要(yao)生成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)高對排壓(ya)(ya)閥(fa)(fa)(fa)造有(you)損。

根(gen)(gen)(gen)據上(shang)(shang)(shang)述(shu)(shu)的閥桿(gan)(gan)與(yu)上(shang)(shang)(shang)閥蓋(gai)(gai)相互間(jian)存在(zai)閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao),根(gen)(gen)(gen)據上(shang)(shang)(shang)述(shu)(shu)的閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)內(nei)存在(zai)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)環(huan)(huan),根(gen)(gen)(gen)據上(shang)(shang)(shang)述(shu)(shu)的閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)正下方(fang)與(yu)上(shang)(shang)(shang)閥蓋(gai)(gai)相互間(jian)制定(ding)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)墊,根(gen)(gen)(gen)據上(shang)(shang)(shang)述(shu)(shu)的閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)頂端(duan)存在(zai)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)密封(feng)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)蓋(gai)(gai),根(gen)(gen)(gen)據上(shang)(shang)(shang)述(shu)(shu)的彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)密封(feng)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)蓋(gai)(gai)利(li)用螺柱與(yu)上(shang)(shang)(shang)閥蓋(gai)(gai)規(gui)定(ding)進(jin)行(xing)連接,利(li)用閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)使閥桿(gan)(gan)與(yu)上(shang)(shang)(shang)閥蓋(gai)(gai)相互間(jian)密封(feng)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)更(geng)強,以免外泄,利(li)用彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)密封(feng)特(te)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)蓋(gai)(gai)壓緊(jin)閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao),能可行(xing)以免閥桿(gan)(gan)彈(dan)(dan)(dan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)鮑爾環(huan)(huan)懸(xuan)(xuan)(xuan)(xuan)浮人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)人(ren)(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)濕(shi)(shi)(shi)(shi)(shi)地(di)填(tian)(tian)充(chong)料(liao)(liao)(liao)在(zai)閥自身壓強過大(da)時逃脫(tuo),縱(zong)向格局會更(geng)加不(bu)穩(wen)定(ding)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)。

所(suo)寫的(de)(de)(de)(de)(de)上閥(fa)(fa)蓋(gai)和下閥(fa)(fa)蓋(gai)與(yu)閥(fa)(fa)體(ti)連入(ru)(ru)處均使(shi)(shi)用(yong)(yong)金屬質纏墊,的(de)(de)(de)(de)(de)調(diao)結(jie)(jie)情緒(xu)閥(fa)(fa)縱向密(mi)封隔絕功能(neng)更(geng)好的(de)(de)(de)(de)(de),防范外(wai)泄。本(ben)閥(fa)(fa)是根據的(de)(de)(de)(de)(de)調(diao)結(jie)(jie),將進口(kou)貨(huo)阻礙(ai)(ai)(ai)減(jian)至(zhi)某(mou)類就能(neng)夠(gou)的(de)(de)(de)(de)(de)出(chu)(chu)口(kou)貿(mao)易阻礙(ai)(ai)(ai),并相信(xin)有機溶劑(ji)一種的(de)(de)(de)(de)(de)能(neng)力,打(da)敗口(kou)貿(mao)易阻礙(ai)(ai)(ai)自動(dong)(dong)化(hua)長期保持(chi)增強(qiang)增強(qiang)的(de)(de)(de)(de)(de)止回(hui)閥(fa)(fa)。從(cong)氣流(liu)(liu)(liu)(liu)(liu)力學結(jie)(jie)構力學結(jie)(jie)構的(de)(de)(de)(de)(de)角度看,的(de)(de)(de)(de)(de)調(diao)結(jie)(jie)情緒(xu)閥(fa)(fa)一個(ge)高斯(si)模糊阻礙(ai)(ai)(ai)就能(neng)夠(gou)變化(hua)的(de)(de)(de)(de)(de)節(jie)(jie)流(liu)(liu)(liu)(liu)(liu)元器件封裝,即根據更(geng)改(gai)了(le)節(jie)(jie)流(liu)(liu)(liu)(liu)(liu)使(shi)(shi)用(yong)(yong)面積(ji),使(shi)(shi)水流(liu)(liu)(liu)(liu)(liu)量(liang)及氣流(liu)(liu)(liu)(liu)(liu)力學結(jie)(jie)構的(de)(de)(de)(de)(de)走勢更(geng)改(gai)了(le),形成不一樣的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)阻礙(ai)(ai)(ai)損(sun)害,而(er)達標(biao)的(de)(de)(de)(de)(de)調(diao)結(jie)(jie)情緒(xu)的(de)(de)(de)(de)(de)重要性。那么(me)相信(xin)有效(xiao)控(kong)制(zhi)與(yu)的(de)(de)(de)(de)(de)調(diao)結(jie)(jie)設備的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)調(diao)結(jie)(jie),使(shi)(shi)閥(fa)(fa)后(hou)阻礙(ai)(ai)(ai)的(de)(de)(de)(de)(de)震(zhen)蕩與(yu)壓簧(huang)力相取舍,使(shi)(shi)閥(fa)(fa)后(hou)阻礙(ai)(ai)(ai)在千萬的(de)(de)(de)(de)(de)確定誤差(cha)空間內長期保持(chi)增強(qiang)穩定平衡(heng)。本(ben)實(shi)用(yong)(yong)新型在使(shi)(shi)用(yong)(yong)時:通過電(dian)動(dong)(dong)執(zhi)行機構操縱閥(fa)(fa)桿(gan),使(shi)(shi)閥(fa)(fa)瓣(ban)在閥(fa)(fa)座(zuo)內運動(dong)(dong),以改(gai)變流(liu)(liu)(liu)(liu)(liu)通面積(ji)來(lai)控(kong)制(zhi)介質流(liu)(liu)(liu)(liu)(liu)量(liang),減(jian)壓閥(fa)(fa)采雙座(zuo)結(jie)(jie)構,介質進入(ru)(ru)閥(fa)(fa)體(ti)后(hou)經過閥(fa)(fa)瓣(ban)調(diao)節(jie)(jie),經閥(fa)(fa)座(zuo)后(hou)流(liu)(liu)(liu)(liu)(liu)出(chu)(chu)閥(fa)(fa)體(ti)。

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上海申弘閥門有限公司主營閥門有:減壓閥(氣體減壓閥,可調式減壓閥,水減壓閥,蒸汽減壓閥該減壓閥由閥體、閥蓋、閥桿、閥瓣、閥座及杠桿等零件組成。主要配套在減壓裝置上,起到調節壓力作用,減壓比一般為0.6較合適。杠桿式減壓閥亦(yi)可(ke)配用電動(dong)執行裝置(zhi),實(shi)行遠(yuan)程自(zi)動(dong)操(cao)作。

金融杠桿比例式釋放壓閥是運用操縱閥人體的開鎖閉合件的油管壓來自功轉換物料的人流量,將物料的壓下降,同時有效利用閥后壓的效用自功轉換開鎖閉合件的油管壓,使閥后壓始終保持著在肯定區域內,在進出來壓一個勁變幻的情況報告下,始終保持著出來壓在修改的區域內,保證在這之后的生活中分娩工器具。釋放壓比平常用0.6較比較適合。金融杠桿比例式釋放壓閥可搭載自動伸縮伸縮制定試驗裝置,進行遠程視頻操縱自功的操作。自動伸縮伸縮制定試驗裝置平常應用ZDKJ-310 DN500通徑調節閥 ,應用ZSKJ-510自動伸縮伸縮制定試驗裝置較比較適合。

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 5、執行標準
   1)、產品標準
   《減壓閥 一般要求》GB/T12244-1989
   《減壓閥性能試驗方法》GB/T12245-1989
   《先導式減壓閥》GB/T12246-1989
   《先導式減壓閥 產品質量分等》JB/T53265-1999
   《鋼制閥門 一般要求》GB/T 12224-2005
   《閥(fa)門的檢驗與(yu)試驗》JB/T 9092-1999

   2)、工程標準
   《建筑給水排水及采暖工程施工質量驗收規范》GB 50242-2002
   《通風與空調工程施工質量驗收規范》GB50243-2002
   3)、相關標準圖
   01SS105 常用小(xiao)型儀(yi)表及特種閥門選用安(an)裝

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Y45Y杠桿重錘式減壓閥主要零件材料

型號部件名字閥體、閥蓋閥桿閥瓣閥塊
Y45H(Y)-64Y45H(Y)-100物料WCB38CrMoAIA2Cr131Cr18Ni9Ti
Y45H(Y)-64IY45H(Y)-100IZG20CrMo1Cr18Ni9Ti

主要技術參數及性能指標

公稱阻力(Mpa)1.62.54.06.410.016.0
殼體試驗壓力(Mpa)*2.43.756.09.615.024
密封試驗壓力(Mpa)1.62.54.47.041117.6
進口壓力(Mpa)1.62.54.06.410.016.0
出口壓力范圍(Mpa)宣泄比0.6
溫度-壓力等級ANSI B16.34
滲漏量0.5%QMax

杠桿式蒸汽減壓閥流量系數

DN506580100125150200250300350400500
Cv20255060701101502304205407101020


具體外貌的尺寸

Y45Y杠桿重錘式減壓閥外形尺寸(cun)(PN1.6-4.0)單(dan)位(wei):mm

公稱通徑DN外 形 尺 寸
LL1HHll
50300150520190565
65340170540205650
80380190550215650
100400215580240800
125430225620275800
150450230650320800
200500260790340800
250550285850370800
300750395940460900
350850445990530900
40095055011206601000
500113068016608001000

Y45Y杠桿式減壓閥外形尺寸(PN6.4-16.0)

公稱通徑DN外 形 尺 寸
LL1HHll
50300150520200565
65340170540215650
80380190550225650
100400215580250800
125430225620285800
150450230650330800
200500260790355800
250550285850390800
300750395940480900
350850445990550900
40095055011207001000
500113068016608201000

Y945H電動減壓閥閥體01.jpg

3、設計選用
   1)、減壓閥的型號和規格應根據閥前壓力、壓差、流量、介質特性等因素經計算確定,不應直接按上游或下游管的管徑確定。
   2)、當單個減壓閥不能達到減壓要求時,應采用兩個減壓閥串聯。
   3)、減(jian)壓閥(fa)(fa)(fa)(fa)兩端(duan)應(ying)分別(bie)設置(zhi)壓力表,閥(fa)(fa)(fa)(fa)前設置(zhi)過濾器,閥(fa)(fa)(fa)(fa)后(hou)設置(zhi)安全閥(fa)(fa)(fa)(fa),為便于檢修(xiu)應(ying)設旁通管及旁通閥(fa)(fa)(fa)(fa)。


   4、施工、安裝要點
   1)、在安裝減壓閥前應將管道沖洗干凈,不應在管道內殘留泥砂等雜物,并檢查減壓閥組的組件,其公稱通經、公稱壓力值應*。
   2)、減壓閥安裝必須注意管道介質流動方向和減壓閥、過濾器標志流向**。必須注意比例式減壓閥呼吸孔的朝向位置的正確。
   3)、安裝位置、高度、進出口方向必須符合設計要求,連接應牢固緊密。
   4)、安裝在保溫管道上,手柄均不得向下。
   5)、閥門安裝前必須進行外觀檢查,閥門的銘牌應符合現行國家標準《通用閥門標志》GB 12220的規定。對于工作壓力大于1.0 MPa,安裝前應進行強度和嚴密性能試驗,合格后方準使用。強度試驗時,試驗壓力為公稱壓力的1.5倍,持續時間不少于5min,閥門殼體、填料應無滲漏為合格。嚴密性試驗時,試驗壓力為公稱壓力的1.1倍;試驗壓力在試驗持續的時間內應保持不變,試驗持續時間符合GB50243的要求,以閥瓣密封面無滲漏為合格。

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定貨登記表格

一、①產品名稱與型號②口徑③是否帶附件以便我們的為您正確選型。
   二、若已經由設計單位選定減壓閥型號,請按直接向我們銷售部訂購。
   三、當使用的場合非常(chang)重要或(huo)環境(jing)比(bi)較復雜(za)時,請您(nin)盡量(liang)提供設(she)計圖紙和詳細參數,由我們閥門專家(jia)為您(nin)審(shen)核把(ba)關。

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