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一、產(chǎn)品概述:
A41H型適用于工作溫度≤300℃的石油氣、空氣、水等介質(zhì)的設(shè)備或管路上。A41y-p/r型適用于工作溫度≤200℃有腐蝕性介質(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/系列。
二、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。三、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。四、主要零部件材料:
no零件名稱a41h-c/ka41y-c材料a41y-p/ka41y-p材料a41y-r/ka41y-r材料1閥體wcbzg1cr18ni9tizg1cr18ni12mo2ti2閥座zg2cr13/1cr18ni9tizg1cr18ni9tizg1cr18ni12mo2ti3調(diào)節(jié)圈zg2cr13/1cr18ni9tizg1cr18ni9tizg1cr18ni12mo2ti4閥瓣2cr13/1cr18ni9ti1cr18ni9ti1cr18ni12mo2ti5導(dǎo)向套zg2cr13/1cr18ni9tizg1cr18ni9tizg1cr18ni12mo2ti6閥蓋zg230-450zg230-450zg230-4507彈簧50crva50crva包覆氟塑料50crva包覆氟塑料8閥桿2cr132cr131cr18ni12mo2ti9調(diào)整螺桿452cr132cr1310保護(hù)罩zg200-400zg200-400zg200-400密封面材料堆焊d507堆焊co基硬質(zhì)合金五、亞泰牌A41H彈簧微啟封閉式安全閥外形尺寸和連接尺寸:
型號(hào)公稱通徑doDKgg1bff1Z-dDN’D1K1g2g’b1f’f1’Z1-d1LL1≈HA41H-16C
A41Y-16P
A41Y-16R
KA41Y-16C
KA41Y-16P201510575-55162-4-14201057555-162-4-1410085276252011585-65162-4-14251158565-162-4-14100852763225140100-78182-4-183214010078-182-4-181151002854032150110-85183-4-184015011085-183-4-181201102925040165125-100203-4-1850165125100-203-4-181351203706550185145-120203-4-1865185145120-203-4-181401303758065200160-135203-8-1880200160135-203-8-1816013537310080220180-155223-8-18100220180155-223-8-18170160513125100250210-185223-8-18125250210185-223-8-18190190560150125285240-210243-8-23150285240210-243-8-23205195570200150340295-265263-12-23200340295265-263-12-23240230717250200405355-320303-12-26250405355320-303-12-26350320940300250460410-375304-12-26300460410375-304-12-26350320980A41H-25
A41Y-25P
A41Y-25R
KA41Y-25
KA41Y-25P201510575-55162-4-14201057555-162-4-1410085276252011585-65162-4-14251158565-162-4-14100852763225140100-78182-4-183214010078-182-4-181151002854032150110-85183-4-184015011085-183-4-181201102925040165125-100203-4-1850165125100-203-4-181351203706550185145-120223-8-1865185145120-203-4-181401303758065200160-135243-8-1880200160135-203-8-1816013537310080230190-160243-8-23100220180155-203-8-18170160513125100270220-188283-8-26125250210185-223-8-18190190560150125300250-218303-8-26150285240210-243-8-23205195570200150360310-278343-12-26200340295265-263-12-23240230717250200425370-332363-12-30250405355320-303-12-26350320940300250485430-390404-16-30300460410375-304-12-26350320980A41H-40
A41Y-40P
A41Y-40R
KA41Y-40
KA41Y-40P201510575515516244-14201057555-162-4-1410085276252011585586516244-14251158565-162-4-14100852763225140100667818244-183214010078-182-4-181151002854032150110768518344-184015011085-183-4-1812011029250401651258810020344-1850165125100-203-4-18135120370655018514511012022348-1865185145120-203-4-18140130375806520016012113522348-1880200160135-203-8-18160135373100802351901501602434.58-23100220180155-223-8-181701605131251002702201761882834.58-26125250210185-223-8-181901905601501253002502042183034.58-26150285240210-243-8-232051955702001503753202602823834.512-30200340295265-263-12-232402307172502004503853133454234.512-34250405355320-303-12-263503209403002505154503644084644.516-34300460410375-304-12-26350320980A41H-64
A41Y-64
A41Y-64P
A41Y-64R201513090516820244-182010575555116244-14100952682520140100587822244-182511585655816244-14100952683225155110668224244-2332140100786618244-181151052794032170125769524344-2340150110857618344-1813511533050401801358810526344-23501651251008820344-18160125360655020516011013028348-236518514512011022348-18175160503806521517012114030348-238020016013512122348-18175160498100802502001501683234.58-261002351901601502434.58-231901805301501003452802042403834.58-341503002502182043034.58-26280260657, A41H-100
A41Y-100
A41Y-100P
A41Y-100R201513090516822244-182010575555116244-14100952682520140100587824244-182511585655816244-14100952683225155110668224244-2332140100786618244-181151052794032170125769526344-2340150110857618344-1813511533050401951458811228344-26501651251008820344-18160125360655022017011013832348-266518514512011022348-18175160503806523018012114834348-268020016013512122348-18175160498100802652101501723834.58-301002351901601502434.58-231901805301501003552902042504634.512-341503002502182043034.58-26280260657