| 永嘉東盛閥門有限公司
主營(yíng)產(chǎn)品： 閘閥，蝶閥，球閥 |
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| 永嘉東盛閥門有限公司
主營(yíng)產(chǎn)品： 閘閥，蝶閥，球閥 |
| 參考價(jià) | 面議 |
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更新時(shí)間：2015-11-04 13:54:57瀏覽次數(shù)：353
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產(chǎn)品簡(jiǎn)介：
按安全閥閥瓣開(kāi)啟高度可分為微啟式安全閥和全啟式安全閥，全啟式安全閥開(kāi)啟高度為≤0.25d0(zui小排放喉部口徑)。
微啟式安全閥按結(jié)構(gòu)形式來(lái)分，要分為垂錘式、杠桿式、彈簧式和先導(dǎo)式(脈沖式)；按閥體構(gòu)造來(lái)分，可分為封閉式和不封閉式兩種。封閉式安全閥即排除的介質(zhì)不外泄，全部沿著出口排泄到地點(diǎn)，一般用在有毒和腐蝕性介質(zhì)中。對(duì)于空氣和蒸汽用安全閥，多采用不封閉式安全閥。對(duì)于安全閥產(chǎn)品的選用，應(yīng)按實(shí)際密封壓力來(lái)確定。對(duì)于彈簧式安全閥，在一種公稱壓力(PN)范圍內(nèi)，具有幾種工作壓力級(jí)的彈簧，訂貨時(shí)除注明安全閥型號(hào)、名稱、介質(zhì)和溫度外，尚應(yīng)注明閥體密封壓力，否則按zui大密封壓力供貨。
微啟式與全啟式的區(qū)別
全啟式安全閥：當(dāng)安全閥入口處的靜壓達(dá)到設(shè)定壓力時(shí)，閥瓣迅速上升至zui大高度，zui大限度的排出超壓的物料。一般用于可壓縮流體。閥瓣上升高度不小于喉頸的1/4。
微啟式安全閥：當(dāng)安全閥入口處的靜壓達(dá)到設(shè)定壓力時(shí)，閥瓣位置隨著入口壓力的升高而成比例的升高，zui大限度的減少應(yīng)排除物料。一般用于不可壓縮流體。閥瓣的zui大上升高度不小于喉頸的1/20~1/40。
主要連接尺寸：
型 號(hào) | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 | 簡(jiǎn)要性能 | 備注 | ||||||
通徑 | 壓力 | D | D1 | L | L1 | H | 適用溫度℃ | 適用介質(zhì) | |||
A41H-16C | 65 | 1.6 |
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| 鑄鋼 | ≤300 | 油品、空氣、水 |
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" | 80 | " | 195 | 195 | 160 | 135 | 385 | " | " | " |
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" | 100 | " | 215 | 215 | 170 | 160 | 525 | " | " | " |
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" | 150 | " | 285 | 285 | 250 | 210 | 720 | " | " | " |
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" | 200 | " | 340 | 340 | 290 | 310 | 777 | " | " | " |
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A41H-125 | 25 | 2.5 |
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| 鑄鋼 | ≤300 | 油品、空氣、水 |
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" | 32 | " | 135 | 135 | 115 | 100 | 266 | " | " | " |
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" | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " |
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" | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " |
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" | 65 | " |
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| " | " | " |
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" | 80 | " | 195 | 195 | 160 | 135 | 570 | " | " | " |
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" | 100 | " | 230 | 215 | 170 | 160 | 580 | " | " | " |
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A41H-25 | 150 | " |
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| " | " | " |
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" | 200 | " |
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A41H-40 | 25 | 4.0 |
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| 鑄鋼 | ≤300 | 油品、空氣、水 |
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" | 32 | " | 135 | 135 | 115 | 100 | 266 | " | " | " |
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" | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " |
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" | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " |
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" | 65 | " |
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| " | " | " |
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" | 80 | " | 195 | 195 | 160 | 135 | 570 | " | " | " |
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" | 100 | " | 235 | 220 | 170 | 160 | 585 | " | " | " |
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" | 150 | " |
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" | 200 | " |
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SA41H-16C | 25 | 1.6 | 115 | 45 | 55 | 86 | 200 | 鑄鋼 | ≤300 | 空氣、水等 | 出口：G1" |
SA41H-25 | 25 | 2.5 | 115 | 45 | 55 | 86 | 200 | " | " | " | " |
SA41H-40 | 25 | 4.0 | 115 | 45 | 55 | 86 | 200 | " | " | " | " |
SA41H-64 | 25 | 6.4 | 115 | 45 | 55 | 86 | 200 | " | " | " | " |
SA41Y-160 | 15 | 16.0 | 95 | 95 | 95 | 100 | 238 | 鍛鋼 | ≤200 | 油品、氮?dú)錃?/P> |
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" | 20 | " |
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| " | " | " |
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" | 25 | " |
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| " | " | " |
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" | 32 | " | 110 | 165 | 130 | 135 | 310 | " | " | " | do12、14、16 |
SA41Y-320 | 15 | 32.0 | 105 | 115 | 95 | 100 | 238 | " | " | " |
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" | 20 | " | 110 | 115 | 95 | 100 | 238 | " | " | " |
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" | 25 | " |
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" | 32 | " | 135 | 165 | 130 | 135 | 334 | " | " | " | do12、14、16 |
SA41Y-500 | 15 | 50.0 | 105 | 115 | 95 | 100 | 222 | " | " | " |
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" | 20 | " |
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" | 25 | " |
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微啟式安全閥：/aqf/70.html
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