沃茨阀门H41W不锈钢升降式止回阀概述：
不锈钢升降式止回阀广泛适用于公称压力PN1.6～10.0MPa,工作温度-29～550℃的石油、化工、火力电站等各种工况的管路上，适用介质为：水、油品、蒸汽等。其主要作用是防止介质倒流、防止泵及其驱动电机机反转，以及容器内介质的泄放。
沃茨阀门H41W不锈钢升降式止回阀性能参数：
| 公称压力 | 壳体材料 | 试验压力(Mpa) | ||||
| PN（MPa） | 304 | ZGCr5Mo(C5) | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | 强度试验 | 液体密封 |
| 1.6 | H41H-16P | H41Y-16I | H41W-16P | H41W-16R | 2.4 | 1.8 |
| 2.5 | H41H-25P | H41Y-25I | H41W-25P | H41W-25R | 3.8 | 2.8 |
| 4.0 | H41H-40P | H41Y-40I | H41W-40P | H41W-40R | 6.0 | 4.4 |
| 6.4 | H41H-64P | H41Y-64I | H41W-64P | H41W-64R | 9.6 | 7.1 |
| 10.0 | H41H-100P | H41Y-100I | H41W-100P | H41W-100R | 15.0 | 11.0 |
| 适用温度 | -40-200℃ | ≤550℃ | -40-200℃ | -40-200℃ | 超出温度范围，请订货时注明 | |
| 适用介质 | 水、蒸气、油品、硝酸等 | 硝酸等 | 醋酸等 | |||
沃茨阀门H41W不锈钢升降式止回阀链接尺寸：
| 型号 | 公称通径 | 尺寸(mm) | |||||||
| DN(mm) | L | D | D1 | D2 | D6 | b | Z-φd | H | |
| H41H-16C | 15 | 130 | 95 | 65 | 45 | 14 | 4-14 | 77 | |
| 20 | 150 | 105 | 75 | 55 | 14 | 4-14 | 80 | ||
| 25 | 160 | 115 | 85 | 65 | 14 | 4-14 | 85 | ||
| 32 | 180 | 135 | 100 | 75 | 16 | 4-18 | 95 | ||
| 40 | 200 | 145 | 110 | 85 | 16 | 4-18 | 105 | ||
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 120 | ||
| 65 | 290 | 180 | 145 | 120 | 18 | 8-18 | 130 | ||
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 140 | ||
| 100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 155 | ||
| 125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 180 | ||
| 150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 215 | ||
| 200 | 600 | 335 | 295 | 265 | 26 | 12-23 | 260 | ||
| 250 | 730 | 405 | 355 | 320 | 30 | 12-25 | 315 | ||
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