| 概述 該閥門主要用于供水、供熱及制酸等具有強(qiáng)氯化性的介質(zhì)的系統(tǒng)里， 常配作為鍋爐附件等。由于外型輕巧，結(jié)構(gòu)簡(jiǎn)單，彈簧裝置加速了閥掰的關(guān)閉， 可適當(dāng)?shù)南N。一般適用于對(duì)安裝空間有限制的場(chǎng)所。 Overview This valve is mainly used in the system carrying strong oxidative mediums in water and heat supply and acid making etc., usually used as accessories for boilers. Provded with exquisite profile and simple structure, its spring device functions to speed up the close of disc to eliminate water hammer. This valve is applicable for space-restricted locations. | 主要零件材質(zhì)Main Parts and Materials
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主要性能參數(shù)Main
| 型號(hào) Type | 公稱壓力（MPa） Nominal Pressure | 試驗(yàn)壓力Ps（MPa） Test Pressure PS | 工作溫度（℃） Working Temperature（℃） | 工作壓力P（MPa） Working pressure | 適用介質(zhì) Applicable Medium | |
| 殼體Shell | 密封Seal | |||||
| H71H-C | 1.0 | 1.5 | 1.1 | ≤200 | 1.0 | 水、蒸汽、油品、 硝酸及尿素等 氧化性腐蝕性介質(zhì) Water，steam，oil，oxygen， Such as nitric acid and Urea，etc.Melting Corrosivity medium |
| H71W-P | 1.6 | 2.4 | 1.76 | 1.6 | ||
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| 2.5 | 3.8 | 2.8 | 2.5 | ||
| H71W-R | 4.0 | 6.0 | 4.4 | 4.0 | ||
主要外形尺寸及連接尺寸Main External Dimensions and Sonnecting Dimensions
| 公稱通徑（mm） Nominal Diameter | L | D | 重量（kg） weight | D | 重量（kg） weight | D | 重量（kg） weight | D | 重量（kg） weight |
| 1.0MPa | 1.6MPa | 2.5MPa | 4.0MPa | ||||||
| 15 | 16 | 53 | 0.3 | 53 | 0.3 | 53 | 0.3 | 53 | 0.3 |
| 20 | 19 | 63 | 0.5 | 63 | 0.5 | 63 | 0.5 | 63 | 0.5 |
| 25 | 22 | 73 | 0.7 | 73 | 0.7 | 73 | 0.8 | 73 | 0.8 |
| 32 | 28 | 84 | 1.1 | 84 | 1.1 | 84 | 1.3 | 84 | 1.3 |
| 40 | 32 | 94 | 1.14 | 94 | 1.5 | 94 | 1.6 | 94 | 1.8 |
| 50 | 40 | 109 | 2.1 | 109 | 2.2 | 109 | 2.3 | 109 | 2.6 |
| 65 | 46 | 129 | 2.9 | 129 | 3.2 | 129 | 3.3 | 129 | 3.6 |
| 80 | 50 | 144 | 3.7 | 144 | 4.0 | 144 | 4.4 | 144 | 4.8 |
| 100 | 60 | 164 | 4.8 | 164 | 5.2 | 170 | 5.6 | 170 | 5.9 |
| 125 | 90 | 194 | 7.8 | 194 | 8.6 | 198 | 9.2 | 198 | 10 |
| 150 | 106 | 220 | 10.6 | 220 | 11.6 | 228 | 12.5 | 228 | 13.5 |
| 200 | 140 | 272 | / | 272 | / | 285 | / | 290 | / |
| 250 | 165 | 327 | / | 327 | / | 340 | / | 350 | / |
| 300 | 178 | 377 | / | 385 | / | 403 | / | / | / |
| 350 | 190 | 44 | / | 446 | / | 460 | / | / | / |
| 400 | 216 | 491 | / | 498 | / | 517 | / | / | / |
