微启式安全阀概述：
我厂是国内生产安全阀的主导厂，厂内建有远东一流的安全阀测试中心，国产台安全阀就是我厂诞生的。二十多年来，我厂安全阀的品种已发展到百余个系列，千余个规格，产品广泛应用于锅炉、石化、电站以及国防工业。并为国内座核电站秦山核电站研制成功了批核级安全阀。
我厂安全阀主要产品系列分别荣获机械部信得过产品，上海市优质产品称号，国家银质奖。 我厂安全阀是受压设备、容器或管路上的最佳超压保护装置。当设备压力升高达到预定值时，安全阀自动开启，继而全量排放，防止设备压力继续升高；当压力降低到规定值时，安全阀及时自动关闭。我厂安全阀是选用者为保护工程设备安全运行的最理想的，最科学的明智选择。
主要连接尺寸： 型 号 | 公称 | 主要结构尺寸(mm) | 阀体
材料 | 简要性能 | 备注 | 通径
DN(mm) | 压力
PN(Mpa) | D | D1 | L | L1 | H | 适用温度℃ | 适用介质 | A41H-16C | 65 | 1.6 | | | | | | 铸钢 | ≤300 | 油品、空气、水 | | " | 80 | " | 195 | 195 | 160 | 135 | 385 | " | " | " | | " | 100 | " | 215 | 215 | 170 | 160 | 525 | " | " | " | | " | 150 | " | 285 | 285 | 250 | 210 | 720 | " | " | " | | " | 200 | " | 340 | 340 | 290 | 310 | 777 | " | " | " | | A41H-125 | 25 | 2.5 | | | | | | 铸钢 | ≤300 | 油品、空气、水 | | " | 32 | " | 135 | 135 | 115 | 100 | 266 | " | " | " | | " | 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 | " | " | " | | A41H-25 | 150 | " | | | | | | " | " | " | | " | 200 | " | | | | | | " | " | " | | A41H-40 | 25 | 4.0 | | | | | | 铸钢 | ≤300 | 油品、空气、水 | | " | 32 | " | 135 | 135 | 115 | 100 | 266 | " | " | " | | " | 40 | " | 145 | 145 | 120 | 105 | 318 | " | " | " | | " | 50 | " | 160 | 160 | 130 | 115 | 350 | " | " | " | | " | 65 | " | | | | | | " | " | " | | " | 80 | " | 195 | 195 | 160 | 135 | 570 | " | " | " | | " | 100 | " | 235 | 220 | 170 | 160 | 585 | " | " | " | | " | 150 | " | | | | | | " | " | " | | " | 200 | " | | | | | | " | " | " | | SA41H-16C | 25 | 1.6 | 115 | 45 | 55 | 86 | 200 | 铸钢 | ≤300 | 空气、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 | 锻钢 | ≤200 | 油品、氮氢气 | | " | 20 | " | | | | | | " | " | " | | " | 25 | " | | | | | | " | " | " | | " | 32 | " | 110 | 165 | 130 | 135 | 310 | " | " | " | do12、14、16 | SA41Y-320 | 15 | 32.0 | 105 | 115 | 95 | 100 | 238 | " | " | " | | " | 20 | " | 110 | 115 | 95 | 100 | 238 | " | " | " | | " | 25 | " | | | | | | " | " | " | | " | 32 | " | 135 | 165 | 130 | 135 | 334 | " | " | " | do12、14、16 | SA41Y-500 | 15 | 50.0 | 105 | 115 | 95 | 100 | 222 | " | " | " | | " | 20 | " | | | | | | " | " | " | | " | 25 | " | | | | | | " | " | " | |
型 号 | 公称 | 主要结构尺寸(mm) | 阀体 材料 | 简要性能 | 备注 | 通径 DN(mm) | 压力PN(Mpa) | D | D1 | L | L1 | H | 适用温度℃ | 适用介质 | A47H-16C | 40 | 1.6 | 150 | 150 | 120 | 110 | 360 | 铸钢 | ≤350 | 蒸气、水、空气 | | " | 50 | " | 160 | 160 | 135 | 120 | 380 | " | " | " | | " | 65 | " | | | | | | " | " | " | | " | 80 | " | 200 | 200 | 170 | 135 | 405 | " | " | " | | " | 100 | " | 215 | 215 | 170 | 160 | 580 | " | " | " | | " | 150 | " | 285 | 285 | 250 | 210 | 729 | " | " | " | | " | 200 | " | 340 | 340 | 290 | 310 | 834 | " | " | " | | A47H-25 | 40 | 2.5 | 150 | 150 | 120 | 110 | 360 | " | " | " | | " | 50 | " | 160 | 160 | 130 | 115 | 380 | " | " | " | | " | 65 | " | | | | | | " | " | " | | | 80 | " | 195 | 195 | 160 | 135 | 620 | " | " | " | | | 100 | " | 230 | 215 | 170 | 160 | 582 | " | " | " | | A47H-40 | 40 | 4 | 150 | 150 | 120 | 110 | 360 | " | " | " | | | 50 | " | 160 | 160 | 130 | 115 | 370 | " | " | " | | | 65 | " | | | | | | " | " | " | | | 80 | " | 195 | 195 | 160 | 135 | 620 | " | " | " | | | 100 | " | 235 | 220 | 170 | 160 | 650 | " | " | " | |
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