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公司基本資料信息
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由閥體、閥瓣、彈簧等組成，水平或垂直安裝于管路系統(tǒng)，防止介質(zhì)倒流
| 規(guī)格型號 | 閥體 | 閥瓣 | 彈簧 |
| SH71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA |
| SH71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
| SH71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
規(guī)格尺寸表：
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公稱壓力 |
公稱通徑 DN |
尺寸（mm） | |||||
| L | D1 | D2 | D3 | D4 | D5 | ||
| PN1.0MPa PN1.6MPa |
15 | 16 | 52 | 15 | 24 | 31 | 40 |
| 20 | 19 | 62 | 19 | 30 | 40 | 50 | |
| 25 | 22 | 72 | 24 | 35 | 47 | 58 | |
| 32 | 28 | 83 | 31 | 46 | 56 | 68 | |
| 40 | 31.5 | 93 | 39 | 55 | 66 | 78 | |
| 50 | 40 | 108 | 48 | 65 | 78 | 90 | |
| 65 | 46 | 128 | 62 | 80 | 95 | 110 | |
| 80 | 50 | 142 | 76 | 96 | 110 | 128 | |
| 100 | 60 | 162 | 95 | 115 | 132 | 150 | |
| 125 | 90 | 192 | 110 | 125 | 135 | - | |
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型號
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公稱通徑
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試驗壓力
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工作溫度
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適用溫度
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殼體
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密封
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H71H-16Q
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1.6
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2.4
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1.76
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≤235℃
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水、蒸氣、油品等
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H71H-25Q
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2.5
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3.75
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2.75
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≤235℃
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H71W-25H
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≤300℃
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H71W-25P
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≤200℃
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硝酸等腐蝕性介質(zhì)
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H71W-40H
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4.0
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6.0
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4.4
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≤300℃
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H71W-40P
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≤200℃
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水、蒸氣
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| 型號 | 公稱壓力PN(MPa) | 試驗壓力PS(MPa) | 工作溫度(℃) | 適用介質(zhì) | |
| 殼體 | 密封 | ||||
| SH71W-16P | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸體、油品等 |
| SH71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | |
| SH71W-25H | ≤300 | ||||
| SH71W-25P | ≤200 | 硝酸等腐蝕性介質(zhì) | |||
| SH71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸體、油品等 |
| SH71W-40P | ≤200 | 硝酸等腐蝕性介質(zhì) | |||
| 規(guī)格型號 | 閥體 | 閥瓣 | 彈簧 |
| SH71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA |
| SH71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
| SH71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
