微啟式安全閥概述：
上海好施閥門有限公司是國內生產安全閥的主導廠，廠內建有遠東的安全閥測試中心，國產臺安全閥就是我廠誕生的。二十多年來，好施牌安全閥的品種已發展到百余個系列，千余個規格，產品廣泛應用于鍋爐、石化、電站以及國防工業。并為座核電站秦山核電站研制成功了批核級安全閥。 好施牌安全閥主要產品系列分別榮獲機械部信得過產品，上海市優質產品稱號，國家銀質獎。 好施牌安全閥是受壓設備、容器或管路上的超壓保護裝置。當設備壓力升高達到預定值時，安全閥自動開啟，繼而全量排放，防止設備壓力繼續升高；當壓力降低到規定值時，安全閥及時自動關閉。好施牌安全閥是選用者為保護工程設備安全運行的的，的明智選擇。
主要連接尺寸：
| 型 號 | 公稱 | 主要結構尺寸(mm) | 閥體 | 簡要性能 | 備注 | ||||||
| 通徑 | 壓力 | D | D1 | L | L1 | H | 適用溫度℃ | 適用介質 | |||
| 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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| " | " | " |
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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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| " | " | " |
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| " | 200 | " |
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| " | " | " |
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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、氮氫氣 |
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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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| " | " | " |
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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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| " | " | " |
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| " | 25 | " |
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| " | " | " |
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| 型 號 | 公稱 | 主要結構尺寸(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 | |||
| A47H-16C | 40 | 1.6 | 150 | 150 | 120 | 110 | 360 | 鑄鋼 | ≤350 | 蒸氣、水、空氣 |
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| " | 50 | " | 160 | 160 | 135 | 120 | 380 | " | " | " |
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| " | 65 | " |
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| " | " | " |
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| " | 80 | " | 200 | 200 | 170 | 135 | 405 | " | " | " |
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| " | 100 | " | 215 | 215 | 170 | 160 | 580 | " | " | " |
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| " | 150 | " | 285 | 285 | 250 | 210 | 729 | " | " | " |
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| " | 200 | " | 340 | 340 | 290 | 310 | 834 | " | " | " |
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| A47H-25 | 40 | 2.5 | 150 | 150 | 120 | 110 | 360 | " | " | " |
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| " | 50 | " | 160 | 160 | 130 | 115 | 380 | " | " | " |
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| " | 65 | " |
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| " | " | " |
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| 80 | " | 195 | 195 | 160 | 135 | 620 | " | " | " |
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| 100 | " | 230 | 215 | 170 | 160 | 582 | " | " | " |
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| A47H-40 | 40 | 4 | 150 | 150 | 120 | 110 | 360 | " | " | " |
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| 50 | " | 160 | 160 | 130 | 115 | 370 | " | " | " |
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| 65 | " |
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| " | " | " |
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| 80 | " | 195 | 195 | 160 | 135 | 620 | " | " | " |
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| 100 | " | 235 | 220 | 170 | 160 | 650 | " | " | " |
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