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上海戎鈦閥門制造有限公司
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A41Y、A42Y、A44Y不銹鋼安全閥是啟閉件受外力作用下處于常閉狀態(tài)，當(dāng)設(shè)備或管道內(nèi)的介質(zhì)壓力升高超過規(guī)定值時，通過向系統(tǒng)外排放介質(zhì)來防止管道或設(shè)備內(nèi)介質(zhì)壓力超過規(guī)定數(shù)值的特殊閥門。安全閥屬于自動閥類，主要用于鍋爐、壓力容器和管道上，控制壓力不超過規(guī)定值，對人身安全和設(shè)備運(yùn)行起重要保護(hù)作用。注安全閥必須經(jīng)過壓力試驗(yàn)才能使用。
A41Y、A42Y、A44Y不銹鋼安全閥產(chǎn)品描述：
不銹鋼安全閥是受壓設(shè)備、容器或管路上的***佳超壓保護(hù)裝置。當(dāng)設(shè)備壓力升高達(dá)到預(yù)定值時，安全閥自動開啟，繼而全量排放，防止設(shè)備壓力繼續(xù)升高；當(dāng)壓力降低到規(guī)定值時，安全閥及時自動關(guān)閉。A41Y、A42Y、A44Y不銹鋼安全閥是選用者為保護(hù)工程設(shè)備安全運(yùn)行的***理想的，***科學(xué)的明智選擇。
A41Y、A42Y、A44Y不銹鋼安全閥主要連接尺寸：
| 型 號 | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 材料 | 簡要性能 | 備注 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 通徑 DN(mm) | 壓力 PN(Mpa) | D | D1 | L | L1 | H | 適用溫度 ℃ | 適用介質(zhì) | |||
| A21W-16P | 15 | 1.6 | 35 | 60 | 64 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |||
| " | 20 | " | 40 | 68 | 68 | " | " | " | |||
| " | 25 | " | 50 | 78 | 105 | " | " | " | |||
| A21W-25P | 15 | 2.5 | 35 | 60 | 64 | 1Cr18Ni9Ti | " | " | |||
| " | 20 | " | 40 | 68 | 68 | " | " | " | |||
| " | 25 | " | 50 | 78 | 105 | " | " | " | |||
| A21W-40P | 15 | 4.0 | 35 | 60 | 64 | " | " | " | |||
| " | 20 | " | 40 | 68 | 68 | " | " | " | |||
| " | 25 | " | 50 | 78 | 105 | " | " | " | |||
| A41Y-16P | 32 | 1.6 | 135 | 135 | 115 | 100 | 266 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | |
| " | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 385 | " | " | " | |
| " | 100 | " | 215 | 215 | 170 | 160 | 525 | " | " | " | |
| " | 150 | " | " | " | " | ||||||
| " | 200 | " | " | " | " | ||||||
| A41Y-25P | 32 | 2.5 | 135 | 135 | 115 | 100 | 266 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | |
| " | 50 | " | 160 | 160 | 130 | 115 | 340 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 565 | " | " | " | |
| " | 100 | " | 230 | 215 | 170 | 160 | 580 | " | " | " | |
| A41Y-40P | 32 | 4.0 | 135 | 135 | 115 | 100 | 266 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | |
| " | 50 | " | 160 | 160 | 130 | 115 | 340 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 565 | " | " | " | |
| " | 100 | " | " | " | " | ||||||
| A41Y-16R | 32 | 1.6 | 135 | 135 | 115 | 100 | 260 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | |
| " | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 385 | " | " | " | |
| " | 100 | " | 215 | 215 | 170 | 160 | 525 | " | " | " | |
| " | 150 | " | " | " | " | ||||||
| " | 200 | " | " | " | " | ||||||
| A41Y-25R | 32 | 2.5 | 135 | 135 | 115 | 100 | 266 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | |
| " | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 570 | " | " | " | |
| " | 100 | " | 230 | 215 | 170 | 160 | 580 | " | " | " | |
| " | 150 | " | |||||||||
| A41Y-40R | 32 | 4.0 | 135 | 135 | 115 | 100 | 266 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 150 | 150 | 120 | 110 | 320 | " | " | " | |
| " | 50 | " | 165 | 165 | 135 | 120 | 340 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 195 | 160 | 135 | 570 | " | " | " | |
| " | 100 | " | " | " | " | ||||||
| " | 150 | " | " | " | " | ||||||
| SA41H-16P | 25 | 1.6 | 115 | 45 | 55 | 85 | 200 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| SA41H-25P | 25 | 2.5 | 115 | 45 | 55 | 85 | 200 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| SA41H-40P | 25 | 4.0 | 115 | 45 | 55 | 85 | 200 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| SA41H-64P | 25 | 6.4 | 135 | 45 | 55 | 85 | 200 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| SA41Y-160P | 15 | 16.0 | 95 | 115 | 95 | 100 | 238 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 20 | " | |||||||||
| " | 25 | " | |||||||||
| " | 32 | " | 115 | 165 | 165 | 135 | 310 | " | " | " | |
| SA41Y-320P | 15 | 32.0 | 105 | 115 | 95 | 100 | 238 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 20 | " | 110 | 115 | 95 | 100 | 238 | " | " | " | |
| " | 25 | " | " | " | " | ||||||
| " | 32 | " | 135 | 165 | 130 | 135 | 334 | " | " | " | |
| SA41Y-500P | 15 | 50.0 | 105 | 115 | 95 | 100 | 222 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| A42Y-16P | 25 | 1.6 | 230 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |||||
| " | 32 | " | 135 | 145 | 115 | 100 | 285 | " | " | " | |
| " | 40 | " | 150 | 160 | 120 | 110 | 278 | " | " | " | |
| " | 50 | " | 165 | 180 | 135 | 120 | 323 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 200 | 215 | 170 | 135 | 478 | " | " | " | |
| " | 100 | " | 220 | 245 | 205 | 160 | 590 | " | " | " | |
| " | 150 | " | 280 | 310 | 255 | 230 | 650 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A42Y-40P | 32 | 4.0 | 140 | 150 | 115 | 100 | 285 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 160 | 130 | 115 | 278 | " | " | " | |
| " | 50 | " | 160 | 180 | 145 | 130 | 332 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 215 | 170 | 150 | 478 | " | " | " | |
| " | 100 | " | 230 | 245 | 205 | 185 | 590 | " | " | " | |
| " | 150 | " | 300 | 310 | 255 | 230 | 650 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A42Y-64P | 32 | 6.4 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | 165 | 160 | 130 | 120 | 305 | " | " | " | |
| " | 50 | " | 175 | 180 | 155 | 130 | 462 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 210 | 230 | 175 | 160 | 582 | " | " | " | |
| " | 100 | " | 250 | 270 | 195 | 195 | 600 | " | " | " | |
| A42Y-100P | 32 | 10.0 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | " | " | " | ||||||
| " | 50 | " | " | " | " | ||||||
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | " | " | " | ||||||
| " | 100 | " | " | " | " | ||||||
| A42Y-16R | 25 | 1.6 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | ||||||
| " | 32 | " | 135 | 145 | 115 | 100 | 265 | " | " | " | |
| " | 40 | " | 150 | 160 | 120 | 110 | 278 | " | " | " | |
| " | 50 | " | 165 | 180 | 135 | 120 | 332 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 200 | 215 | 170 | 135 | 478 | " | " | " | |
| " | 100 | " | 220 | 245 | 205 | 160 | 590 | " | " | " | |
| " | 150 | " | 280 | 310 | 255 | 230 | 650 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A42Y-40R | 32 | 4.0 | 140 | 150 | 115 | 100 | 260 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | |
| " | 40 | " | 145 | 160 | 130 | 120 | 278 | " | " | " | |
| " | 50 | " | 160 | 180 | 145 | 130 | 332 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 195 | 215 | 170 | 150 | 478 | " | " | " | |
| " | 100 | " | 230 | 245 | 205 | 185 | 590 | " | " | " | |
| " | 150 | " | 300 | 310 | 255 | 230 | 650 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A42Y-64R | 32 | 6.4 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | 165 | 160 | 130 | 120 | 308 | " | " | " | |
| " | 50 | " | 175 | 180 | 155 | 130 | 464 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 210 | 230 | 175 | 160 | 582 | " | " | " | |
| " | 100 | " | 250 | 270 | 195 | 195 | 600 | " | " | " | |
| A42Y-100R | 32 | 10.0 | OCr18Ni12Mo2Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | " | " | " | ||||||
| " | 50 | " | " | " | " | ||||||
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | " | " | " | ||||||
| " | 100 | " | " | " | " | ||||||
| A44Y-16P | 32 | 1.6 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | 150 | 165 | 120 | 110 | 314 | " | " | " | |
| " | 50 | " | 165 | 185 | 135 | 120 | 375 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 200 | 220 | 170 | 135 | 538 | " | " | " | |
| " | 100 | " | 215 | 245 | 205 | 185 | 655 | " | " | " | |
| " | 150 | " | 280 | 310 | 255 | 230 | 740 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A44Y-40P | 32 | 4.0 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | 145 | 165 | 130 | 120 | 314 | " | " | " | |
| " | 50 | " | 160 | 180 | 145 | 130 | 376 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 190 | 215 | 170 | 150 | 538 | " | " | " | |
| " | 100 | " | 250 | 245 | 205 | 185 | 655 | " | " | " | |
| " | 150 | " | 300 | 310 | 255 | 230 | 740 | " | " | " | |
| " | 200 | " | " | " | " | ||||||
| A44Y-64P | 32 | 6.4 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | " | " | " | ||||||
| " | 50 | " | 175 | 180 | 155 | 130 | 520 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 210 | 230 | 185 | 160 | 810 | " | " | " | |
| " | 100 | " | 250 | 270 | 195 | 195 | 890 | " | " | " | |
| A44Y-100P | 32 | 10.0 | 1Cr18Ni9Ti | ≤200 | 醋酸類 | ||||||
| " | 40 | " | " | " | " | ||||||
| " | 50 | " | 195 | 180 | 155 | 130 | 520 | " | " | " | |
| " | 65 | " | " | " | " | ||||||
| " | 80 | " | 230 | 230 | 175 | 160 | 815 | " | " | " | |
| " | 100 | " | 265 | 270 | 220 | 210 | 680 | " | " | " |
A41Y、A42Y、A44Y不銹鋼安全閥閥門快訊：
〖冷凍機(jī)安全閥〗〖微啟式安全閥〗〖全啟式安全閥〗〖杠桿式安全閥〗〖先導(dǎo)式安全閥〗 〖脈沖式安全閥〗〖內(nèi)裝式安全閥〗〖彈簧式安全閥〗〖主安全閥〗〖空壓機(jī)安全閥〗〖真空安全閥〗〖氧汽用安全閥〗〖鍋爐用安全閥〗〖安全益流閥〗〖安全回流閥〗〖防爆波安全閥〗〖高壓安全閥〗〖抗硫安全閥〗〖螺紋安全閥〗〖法蘭安全閥〗〖焊接安全閥〗〖雙聯(lián)式安全閥〗
安全閥是啟閉件受外力作用下處于常閉狀態(tài)，當(dāng)設(shè)備或管道內(nèi)的介質(zhì)壓力升高超過規(guī)定值時，通過向系統(tǒng)外排放介質(zhì)來防止管道或設(shè)備內(nèi)介質(zhì)壓力超過規(guī)定數(shù)值的特殊閥門。安全閥屬于自動閥類，主要用于鍋爐、壓力容器和管道上，控制壓力不超過規(guī)定值，對人身安全和設(shè)備運(yùn)行起重要保護(hù)作用。注安全閥必須經(jīng)過壓力試驗(yàn)才能使用。
安全閥在系統(tǒng)中起安全保護(hù)作用。當(dāng)系統(tǒng)壓力超過規(guī)定值時，安全閥打開，將系統(tǒng)中的一部分氣體/流體排入大氣/管道外，使系統(tǒng)壓力不超過允許值，從而保證系統(tǒng)不因壓力過高而發(fā)生事故。
公稱壓力：表示安全閥在常溫狀態(tài)下的***高許用壓力，高溫設(shè)備用的安全閥不應(yīng)考慮高溫下材料許用應(yīng)力的降低。安全閥是按公稱壓力標(biāo)準(zhǔn)進(jìn)行設(shè)計制造的。
開啟壓力：也叫額定壓力或整定壓力，是指安全閥閥瓣在運(yùn)行條件下開始升起時的進(jìn)口壓力，在該壓力下，開始有可測量的開啟高度，介質(zhì)呈可由視覺或聽覺感知的連續(xù)排放態(tài)。
排放壓力：閥瓣達(dá)到規(guī)定開啟高度時的進(jìn)口壓力。排放壓力的上限需服從國家有關(guān)標(biāo)準(zhǔn)或規(guī)范的要求。
超過壓力：排放壓力與開啟壓力之差，通常用開啟壓力的百分?jǐn)?shù)來表示。
回座壓力：排放后閥瓣重新與閥座接觸，即開啟高度變?yōu)榱銜r的進(jìn)口壓力。
啟閉壓差：開啟壓力與回座壓力之差，通常用回座壓力與開啟壓力的百分比表示，只有當(dāng)開啟壓力很低時采用二者壓力差來表示。
背壓力：安全閥出口處的壓力。
額定排放壓力：標(biāo)準(zhǔn)規(guī)定排放壓力的上限值。
密封試驗(yàn)壓力：進(jìn)行密封試驗(yàn)的進(jìn)口壓力，在該壓力下測量通過關(guān)閉件密封面的泄漏率。
開啟高度：閥瓣離開關(guān)閉位置的實(shí)際升程。
流道面積：指閥瓣進(jìn)口端到關(guān)閉件密封面間流道的***小截面積，用來計算無任何阻力影響時的理論排量。
流道直徑：對應(yīng)用于流道面積的直徑。
簾面積：當(dāng)閥瓣在閥座上方時，在其密封面之間形成的圓柱面形或圓錐面形通道面積。
排放面積：閥門排放時流體通道的***小截面積。對于全啟示安全閥，排放面積等于流道面積；對于微啟式安全閥，排放面積等于簾面積。
理論排量：是流道截面積與安全閥流道面積相等的理想噴管的計算排量。
排量系數(shù)：實(shí)際排量與理論排量的比值。
額定排量系數(shù)：排量系數(shù)與減低系數(shù)（取0.9）的乘積。
額定排量：指實(shí)際排量中允許作為安全閥適用基準(zhǔn)的那一部分。
當(dāng)量計算排量：指壓力、溫度、介質(zhì)性質(zhì)等條件與額定排量的適用條件相同時，安全閥的計算排量。
頻跳：安全閥閥瓣迅速異常地來回運(yùn)動，在運(yùn)動中閥瓣接觸閥座。
顫振：安全閥閥瓣迅速異常地來回運(yùn)動，在運(yùn)動中閥瓣不接觸閥座。
安全閥結(jié)構(gòu)主要有兩大類：彈簧式和杠桿式。彈簧式是指閥瓣與閥座的密封靠彈簧的作用力。杠桿式是靠杠桿和重錘的作用力。隨著大容量的需要，又有一種脈沖式安全閥，也稱為先導(dǎo)式安全閥，由主安全閥和輔助閥組成。當(dāng)管道內(nèi)介質(zhì)壓力超過規(guī)定壓力值時，輔助閥先開啟，介質(zhì)沿著導(dǎo)管進(jìn)入主安全閥，并將主安全閥打開，使增高的介質(zhì)壓力降低。
安全閥的排放量決定于閥座的口徑與閥瓣的開啟高度，也可分為兩種：微啟式開啟高度是閥座內(nèi)徑的（1/20）～（1/40），全啟式是（1/3）～（1/4）。
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