A47H-帶扳手彈簧微啟式安全閥_山東昆明彩和材料制造有限公司

A47H-帶(dai)扳手彈(dan)簧微啟(qǐ)式安全(quán)閥

 
A47H-帶扳(ban)手彈簧(huáng)微啟式(shi)安全閥(fá)
帶扳手(shou)彈簧微(wēi)啟式安(an)全閥說(shuō)明:A47H帶扳(bān)手彈簧(huang)微啟式(shì)安全閥(fa)适用于(yú)工作溫(wēn)度≤350℃的蒸(zheng)汽、空氣(qì)等介質(zhì)的設備(bei)或管路(lu)上。作為(wei)🤞超壓保(bao)護裝置(zhi)。連接法(fǎ)蘭标準(zhǔn)按JB/T-94的系(xi)❗列 帶扳(ban)手彈簧(huang)微啟式(shi)安全閥(fá)🈲結構簡(jiǎn)述
1、彈簧(huang)微啟式(shi)安全閥(fa)具有結(jie)構簡單(dān)、密封性(xìng)能好、開(kai)☀️啟壓力(li)準确、排(pái)放能力(lì)大、回座(zuò)壓差小(xiǎo)、調整方(fang)便等特(te)點。
2、噴嘴(zui)型閥座(zuò):閥座為(wei)位伐爾(er)噴嘴型(xing)閥座,蒸(zheng)汽流經(jing)閥座✨出(chu)口處時(shi)達到音(yīn)速,排放(fang)系數大(da),閥座密(mì)封面堆(duī)焊钴鉻(ge)鎢硬質(zhì)合金,耐(nai)☎️磨抗沖(chong)蝕,壽命(mìng)長。
3、熱彈(dàn)性閥瓣(ban):閥瓣設(she)計為熱(rè)彈性結(jie)構,利用(yòng)其在介(jie)質壓力(lì)下微小(xiǎo)的變形(xíng),提高密(mi)封能力(lì),克服安(ān)全閥在(zài)介質壓(yā)力下臨(lín)近整定(ding)壓力時(shi)的前洩(xiè)現象。閥(fá)瓣密封(feng)面采用(yòng)先進的(de)激光淬(cui)火技術(shù),提高了(le)硬度、耐(nai)磨性、抗(kang)沖抗性(xing)。
4、調節螺(luó)母:通過(guo)調整調(diào)節螺母(mu),調整彈(dan)簧壓縮(suō)量,使閥(fá)門能夠(gòu)很方便(bian)、很迅速(sù)地獲得(dé)準确的(de)整定壓(yā)力。
5、背壓(yā)調整套(tao):調整閥(fá)瓣背壓(ya)的輔助(zhù)機構,通(tong)過背壓(ya)調整套(tào)調整,可(ke)獲得合(he)适的回(hui)座壓差(chà)。上調時(shi),使閥門(men)背‼️壓降(jiang)🌍低。下調(diao)時,使閥(fá)門背壓(yā)提高。 帶(dai)扳手彈(dàn)簧微啟(qǐ)式安全(quan)閥安裝(zhuang)說明
1、安(an)全閥必(bì)須垂直(zhi)安裝,并(bing)最好直(zhí)接安裝(zhuang)在容器(qi)或管道(dào)的接頭(tóu)上。接頭(tou)内徑應(ying)不小于(yú)安全閥(fá)的進口(kǒu)通徑。
2、安(an)全閥的(de)出口必(bi)須裝設(shè)适當的(de)膨脹節(jiē),以防止(zhi)排😍放管(guan)💜的熱膨(péng)👉脹給安(an)全閥帶(dai)來不應(yīng)有的熱(rè)應力。排(pái)放管内(nei)徑應比(bǐ)閥門出(chu)口直徑(jìng)大,長度(dù)盡可能(néng)短,避🈲免(miǎn)拐彎。排(pai)放管及(jí)膨脹節(jie)重量不(bu)應作用(yòng)在安全(quán)閥上,應(ying)固定在(zai)建築上(shang)。排放管(guǎn)的中心(xin)線與閥(fá)體的中(zhōng)⭕心線間(jiān)距離盡(jìn)可能的(de)短🐆。對每(měi)台安全(quan)閥都應(yīng)單獨♊裝(zhuāng)設排放(fàng)管。
3、消聲(shēng)器的出(chū)口處要(yào)有足夠(gòu)的面積(jī),防止産(chan)生背壓(ya)🎯影響閥(fá)門的排(pai)放能力(lì)。
帶扳手(shou)彈簧微(wei)啟式安(an)全閥主(zhu)要零件(jiàn)材料
零(ling)件名稱(cheng)材料
1閥(fa)體WCB
2閥座(zuo)
3調節圈(quān)
4閥瓣2Cr13
5導(dǎo)向套2Cr13
6閥(fa)蓋ZG230-450
7彈簧(huáng)50CrVA
8閥杆2Cr13
9扳(ban)手ZG200-400
10調整(zhěng)螺杆45
11保(bǎo)護罩ZG200-400
 "H"堆焊(han)D507,"Y"堆焊Co基(ji)硬質合(hé)金
帶扳(bān)手彈簧(huáng)微啟式(shi)安全閥(fá)主要外(wai)形尺寸(cùn)
A47H-16C201510575/55162/4-14201057555/16/4-1410085270
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2001503753202602823834.512-13200340295265/26312-13240230798
2502004503853133454234.512-34250405355320//12-13350320981
3002505154503644084644.516-34300460410375/304/12-133503201005
A47H-64 A47Y-64201513090516820244-182010575555116244-1495301
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A47H-100 A47Y-1002015130516822244-182010575555116244-1410095301
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6522017011013832348-2665185145120110348-18175160570
806523018012134348-26802001601351212238-18175565
100802652101501723834.58-301002351901601502434.58-23190597
1501003552902042504634.512-341503002182043034.58-26280260738

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