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A47H帶扳手彈簧微啟式安全閥

更新時(shí)間:2021-04-27

瀏覽次數(shù):590

產(chǎn)品型號(hào):

生產(chǎn)地址:上海市松江冠環(huán)工業(yè)區(qū)

產(chǎn)品簡(jiǎn)介:
帶扳手彈簧微啟式安全閥說(shuō)明:A47H帶扳手彈簧微啟式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設(shè)備或管路上。作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T-94的系列

A47H帶扳手彈簧微啟式安全閥說(shuō)明:A47H帶扳手彈簧微啟式安全閥適用于工作溫度≤350℃的蒸汽、空氣等介質(zhì)的設(shè)備或管路上。作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T-94的系列 

結(jié)構(gòu)簡(jiǎn)述
1、彈簧微啟式安全閥具有結(jié)構(gòu)簡(jiǎn)單、密封性能好、開(kāi)啟壓力準(zhǔn)確、排放能力大、回座壓差小、調(diào)整方便等特點(diǎn)。
2、噴嘴型閥座:閥座為位伐爾噴嘴型閥座,蒸汽流經(jīng)閥座出口處時(shí)達(dá)到音速,排放系數(shù)大,閥座密封面堆焊鈷鉻鎢硬質(zhì)合金,耐磨抗沖蝕,壽命長(zhǎng)。
3、熱彈性閥瓣:閥瓣設(shè)計(jì)為熱彈性結(jié)構(gòu),利用其在介質(zhì)壓力下微小的變形,提高密封能力,克服安全閥在介質(zhì)壓力下臨近整定壓力時(shí)的前泄現(xiàn)象。閥瓣密封面采用*的激光淬火技術(shù),提高了硬度、耐磨性、抗沖抗性。
4、調(diào)節(jié)螺母:通過(guò)調(diào)整調(diào)節(jié)螺母,調(diào)整彈簧壓縮量,使閥門能夠很方便、很迅速地獲得準(zhǔn)確的整定壓力。
5、背壓調(diào)整套:調(diào)整閥瓣背壓的輔助機(jī)構(gòu),通過(guò)背壓調(diào)整套調(diào)整,可獲得合適的回座壓差。上調(diào)時(shí),使閥門背壓降低。下調(diào)時(shí),使閥門背壓提高。 

安裝說(shuō)明
1、安全閥必須垂直安裝,并直接安裝在容器或管道的接頭上。接頭內(nèi)徑應(yīng)不小于安全閥的進(jìn)口通徑。
2、安全閥的出口必須裝設(shè)適當(dāng)?shù)呐蛎浌?jié),以防止排放管的熱膨脹給安全閥帶來(lái)不應(yīng)有的熱應(yīng)力。排放管內(nèi)徑應(yīng)比閥門出口直徑大,長(zhǎng)度盡可能短,避免拐彎。排放管及膨脹節(jié)重量不應(yīng)作用在安全閥上,應(yīng)固定在建筑上。排放管的中心線與閥體的中心線間距離盡可能的短。對(duì)每臺(tái)安全閥都應(yīng)單獨(dú)裝設(shè)排放管。
3、消聲器的出口處要有足夠的面積,防止產(chǎn)生背壓影響閥門的排放能力。
帶扳手彈簧微啟式安全閥主要零件材料

 

NO零件名稱材料
1閥體WCB
2閥座ZG2Cr13
3調(diào)節(jié)圈ZG2Cr13
4閥瓣2Cr13
5導(dǎo)向套2Cr13
6閥蓋ZG230-450
7彈簧50CrVA
8閥桿2Cr13
9扳手ZG200-400
10調(diào)整螺桿45
11保護(hù)罩ZG200-400
 密封面材料"H"堆焊D507,"Y"堆焊Co基硬質(zhì)合金

 

帶扳手彈簧微啟式安全閥主要外形尺寸

 

型號(hào)公稱通徑doDKgg1bff1Z-?dDN’D1K1g2g’b1f’f1’Z1-?d1LL1≈H
A47H-16C201510575/55162/4-14201057555/162/4-1410085270
252011585/65162/4-14251158565/162/4-1410085270
3225140100/78182/4-183214010078/182/4-18115100312
4032150110/85183/4-184015011085/183/4-18120110320
5040165125/100203/4-1850165125100/203/4-18135120390
6550185145/120203/4-1865185145120/203/4-18140130395
8065200160/135203/8-1880200160135/203/8-18160135400
10080220180/155223/8-18100220180155/223/8-18170160600
125100250210/185223/8-18125250210185/223/8-18190190620
150125285240/210243/8-23150285240210/243/8-23205195625
200150340295/265263/12-23200340295265/263/12-23240230798
250200405355/320303/12-26250405355320/303/12-26350320981
300250460410/375304/12-26300460410375/304/12-263503201005
A47H-25201510575/55162/4-14201057555/162/4-1410085270
252011585/65162/4-14251158565/162/4-1410085270
3225140100/78182/4-183214010078/182/4-18115100312
4032150110/85183/4-184015011085/183/4-18120110320
5040165125/100203/4-1850165125100/203/4-18135120390
6550185145/120223/8-1865185145120/203/4-18140130395
8065200160/135243/8-1880200160135/203/8-18160135400
10080230190/160243/8-23100220180155/203/8-18170160600
125100270220/188283/8-26125250210185/223/8-18190190620
150125300250/218303/8-26150285240210/243/8-23205195625
200150360310/278343/12-26200340295265/263/12-23240230798
250200425370/332363/12-30250405355320/303/12-26350320981
300250485430/390404/16-30300460410375/304/12-263503201005
A47H-40201510575515516244-14201057555/162/4-1410085270
252011585586516244-14251158565/162/4-1410085270
3225140100667818244-183214010078/182/4-18115100312
4032150110768518344-184015011085/183/4-18120110320
50401651258810020344-1850165125100/203/4-18135120390
655018514511012022348-1865185145120/203/4-18140130395
806520016012113522348-1880200160135/203/8-18160135400
100802351901501602434.58-23100220180155/223/8-18170160600
1251002702201761882834.58-26125250210185/223/8-18190190620
1501253002502042183034.58-26150285240210/243/8-23205195625
2001503753202602823834.512-30200340295265/263/12-23240230798
2502004503853133454234.512-34250405355320/303/12-26350320981
3002505154503644084644.516-34300460410375/304/12-263503201005
A47H-64 A47Y-64201513090516820244-182010575555116244-1410095301
2520140100587822244-182511585655816244-1410095301
3225155110668224244-2332140100786618244-18115105312
4032170125769524344-2340150110857618344-18135115366
50401801358810526344-23501651251008820344-18160125396
655020516011013028348-236518514512011022348-18175160570
806521517012114030348-238020016013512122348-18175160565
100802502001501683234.58-261002351901601502434.58-23190180597
1501003452802042403834.58-341503002502182043034.58-26280260738
A47H-100 A47Y-100201513090516822244-182010575555116244-1410095301
2520140100587824244-182511585655816244-1410095301
3225155110668224244-2332140100786618244-18115105312
4032170125769526344-2340150110857618344-18135115366
50401951458811228344-26501651251008820344-18160125396
655022017011013832348-266518514512011022348-18175160570
806523018012114834348-268020016013512122348-18175160565
100802652101501723834.58-301002351901601502434.58-23190180597
1501003552902042504634.512-341503002502182043034.58-26280260738

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