- A44Y適用于工作溫度≤300℃的空氣、石油等介質(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)PN<6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2標(biāo)準(zhǔn)。一、結(jié)構(gòu)簡(jiǎn)述:1、帶扳手彈簧全啟式安全閥具有結(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。
二、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。三、主要零部件材料:NO.零件名稱A48Y-C A44Y-C 材料A44Y-P材料A44Y-R材料1閥體WCBZG1Cr18Ni9TiCF8M2閥座2Cr131Cr18Ni9Ti3163調(diào)節(jié)圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反沖盤ZG2Cr13ZG1Cr18Ni9Ti3165閥瓣2Cr131Cr18Ni9Ti3166導(dǎo)向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti7閥蓋ZG230-450ZG230-450ZG230-4508彈簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料9閥桿2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳手ZG200-400ZG200-400ZG200-40011調(diào)整螺桿452Cr132Cr1312保護(hù)罩ZG200-400ZG200-400316密封面材料堆焊Co基硬質(zhì)合金四、大唐牌A44Y封閉帶板手全啟式安全閥外形尺寸和連接尺寸:型號(hào)公稱
通徑doDKgg1bff1Z-ødDN’D1K1g3g2b1f’f1’Z1-ød1LL1≈HA48Y-16C
A44Y-16C
A44Y-16P
A44Y-16R201510575-55162-4-142511585-65162-4-1411095411251611585-65162-4-1432140100-78182-4-18110954113220140100-78182-4-1840150110-85183-4-181151004114025150110-85183-4-1850165125-100203-4-181201104725032165125-100203-4-1865185145-120203-4-181351205326540185145-120203-4-1880200160-135203-8-181601405568050200160-135203-8-18100220180-155223-8-1817013556110065220180-155203-8-18125250210-185223-8-1819517566712580250210-185223-8-18150285240-210243-8-23210190857150100285240-210243-8-23175310270-240263-8-23255230915200125340295-265263-12-23250405355-320303-12-263002601073250150405355-320303-12-26300460410-375304-12-263503201307300220460410-375304-12-26400580525-485364-16-303703501233350250520470-435344-16-26500715650-608444-20-345004501711400280580525-485364-16-30500715650-608444-20-345004501780A48Y-25
A44Y-25
A44Y-25P
A44Y-25R201510575-55162-4-142511585-65162-4-1411095411251611585-65162-4-1432140100-78182-4-18110954113220140100-78182-4-1840150110-85183-4-181151004114025150110-85183-4-1850165125-100203-4-181201104725032165125-100203-4-1865185145-120203-4-181351205326540185145-120223-8-1880200160-135203-8-181601405568050200160-135223-8-18100220180-155223-8-1817013556110065230190-160243-8-23125250210-185223-8-1819517566712580270220-188283-8-26150285240-210243-8-23210190857150100300250-218303-8-26175310270-240263-8-23255230915200125360310-278343-12-26250405355-320303-12-263002601073250150425370-332363-12-30300460410-375304-12-263503201307300220485430-390404-16-30400580525-485364-16-303703501233350250555490-448444-16-34500715650-608444-20-345004501711400280620550-505484-16-36500715650-608444-20-345004501780A48Y-40
A44Y-40
A44Y-40P
A44Y-40R201510575515516244-142511585-65162-4-1411095411251611585586516244-1432140100-78182-4-18110954113220140100667818244-1840150110-85183-4-181151004114025150110768518344-1850165125-100203-4-1812011047250321651258810020344-1865185145-120203-4-18135120532654018514511012022348-1880200160-135203-8-18160140556805020016012113522348-18100220180-155223-8-18170135561100652351901501602434.58-23125250210-185223-8-18195175697125802702201761882834.58-26150285240-210243-8-232101908571501003002502042183034.58-26175310270-240263-8-232552309152001253753202602823834.512-30250405355-320303-12-2630026010732501504503853133454234.512-34300460410-375304-12-2635032013073002205154503644084644.516-34400580525-485364-16-303703501233350250580510422465524516-36500715650-608444-20-345004501711400280660585474535584516-41500715650-608444-20-345004501711A48Y-64
A44Y-64
A44Y-64P
A44Y-64R201012590516822244-182511585586516244-1496852972516140100587822244-1832140100667818244-181101003103220155110668224244-2340150110768518344-181301103224025170125769524344-23501651258810020344-1813512035250321801358810526344-236518514511012022348-18155135425654020516011013028348-238020016012113522348-18175160570805021517012114030348-231002351901501602434.58-23175160560100652502001501683234.58-261252702201761882834.58-251951956901501003452802042403834.58-342003753202602823834.512-30280265935A48Y-100
A44Y-100
A44Y-100P
A44Y-100R201012590516822244-182511585586516344-1496852972516140100587824244-1832140100667818244-181101003103220155110668224244-2340150110768518244-181301103224025170125769526344-23501651258810020344-1813512035250321951458811228344-266518514511012022348-18155135425653222017011013832348-268020016012113522348-18175160570804023018012114834348-261002351901501602434.58-23175160560100502652101501723834.58-301252702201761882834.58-25195195690150803552902042504634.512-342003753202602823834.512-30280265935訂貨須知:
一、①A44Y封閉帶板手全啟式安全閥產(chǎn)品名稱與型號(hào)②A44Y封閉帶板手全啟式安全閥口徑③A44Y封閉帶板手全啟式安全閥是否帶附件以便我們的為您正確選型。
二、若已經(jīng)由設(shè)計(jì)單位選定大唐公司的A44Y封閉帶板手全啟式安全閥型號(hào),請(qǐng)按A44Y封閉帶板手全啟式安全閥型號(hào)直接向我司銷售部訂購(gòu)。
三、當(dāng)使用的場(chǎng)合非常重要或環(huán)境比較復(fù)雜時(shí),請(qǐng)您盡量提供設(shè)計(jì)圖紙和詳細(xì)參數(shù),由我們的大唐閥門技術(shù)人員為您審核把關(guān)。