- 种类：
- 其它
- 连接形式：
- 对夹
- 结构形式：
- 升降式
H72型对夹升降式止回阀
对夹升降式止回阀的型号、材料及主要参数
| 配管法兰 | 公称压力 | 常规产品型号 | ||||||
|
JB/T74～90、 GB/T9112～9124 HG20592～20614 |
PN1.0MPa | H72H-10C | H72H-10P | H72H-10P8 | H72H-10P3 | H72H-10R | H72H-10R8 | H72H-10R3 |
| PN1.6MPa | H72H-16C | H72H-16P | H72H-16P8 | H72H-16P3 | H72H-16R | H72H-16R8 | H72H-16R3 | |
| PN2.5MPa | H72H-25 | H72H-25P | H72H-25P8 | H72H-25P3 | H72H-25R | H72H-25R8 | H72H-25R3 | |
| PN4.0MPa | H72H-40 | H72H-40P | H72H-40P8 | H72H-40P3 | H72H-40R | H72H-40R8 | H72H-40R3 | |
| PN6.3MPa | H72H-63 | H72H-63P | H72H-63P8 | H72H-63P3 | H72H-63R | H72H-63R8 | H72H-63R3 | |
| PN10.0MPa | H72H-100 | H72H-100P | H72H-100P8 | H72H-100P3 | H72H-100R | H72H-100R8 | H72H-100R3 | |
| PN16.0MPa | H72H-160 | H72H-160P | H72H-160P8 | H72H-160P3 | H72H-160R | H72H-160R8 | H72H-160R3 | |
|
GB/T9112～96124、 HG20615～20635、 SH3406 |
PN2.0MPa | H72H-20C | - | H72H-20P8 | H72H-20P3 | - | H72H-20R8 | H72H-20R3 |
| PN5.0MPa | H72H-50 | - | H72H-50P8 | H72H-50P3 | - | H72H-50R8 | H72H-50R3 | |
| PN11.0MPa | H72H-110 | - | H72H-110P8 | H72H-110P3 | - | H72H-110R8 | H72H-110R3 | |
| PN15.0MPa | H72H-150 | - | H72H-150P8 | H72H-150P3 | - | H72H-150R8 | H72H-150R3 | |
| ANSI B16.5 | Class 150 | H72H-A1C | - | H72H-A1P8 | H72H-A1P3 | - | H72H-A1R8 | H72H-A1R3 |
| Class 300 | H72H-A3 | - | H72H-A3P8 | H72H-A3P3 | - | H72H-A3R8 | H72H-A3R3 | |
| Class 600 | H72H-A6 | - | H72H-A6P8 | H72H-A6P3 | - | H72H-A6R8 | H72H-A6R3 | |
| Class 900 | H72H-A9 | - | H72H-A9P8 | H72H-A9P3 | - | H72H-A9R8 | H72H-A9R3 | |
| 主要零件材料 | 阀体 | WCB（A105） | ZG1Cr18Ni9Ti | CF8（304） | CF3（304L） | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni12Mo2Ti | CF3M（316L） |
| 阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 |
00Cr18Ni10 |
1Cr18NiMo2Ti | 1Cr18NiMo2Ti |
00Cr17Ni14Mo2 |
|
| 压图 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | |
| 弹簧 | 0Cr18Ni9 | 0Cr18NiP | 0Cr18Ni9 | 00Cr18Ni10 | 0Cr18Ni12Mo2Ti | 0Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | |
| 适用工况 | 适用介质 | 水、蒸汽、油品等 | 硝酸等腐蚀性介质 | 强氧化性介质 | 醋酸等腐蚀性介质 | 尿素等腐蚀性介质 | ||
| 适用温度 | -29～425 | -196～540 | -196～425 | -196～540 | -196～455 | |||
| 注：本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制参见对夹式止回阀型号编制方式。 | ||||||||
H72型对夹升降式止回阀主要尺寸及重量
|
公称压力 PN（MPa） |
公称通径 DN（mm） |
尺寸（mm） | 重量（kg） | 配管法兰（供参考） | |||||
| L | D | D1 | 螺栓孔中心圆直径D1 | 螺栓数量 | 螺栓直径d | 螺栓长度L1 | |||
| 1.0 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 75 |
| 20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
| 25 | 35.5 | 73 | 24 | 0.3 | 85 | 4 | M12 | 90 | |
| 32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 100 | |
| 40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 105 | |
| 50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
| 65 | 67 | 129 | 73 | 3 | 145 | 4 | M16 | 155 | |
| 80 | 73 | 144 | 88 | 4 | 160 | 8 | M16 | 160 | |
| 100 | 73 | 164 | 108 | 6 | 180 | 8 | M16 | 165 | |
| 125 | 86 | 194 | 132 | 8 | 210 | 8 | M16 | 180 | |
| 150 | 98 | 220 | 160 | 13 | 240 | 8 | M20 | 205 | |
| 200 | 127 | 275 | 210 | 24 | 295 | 8 | M20 | 235 | |
| 250 | 146 | 330 | 266 | 35 | 350 | 12 | M20 | 255 | |
| 300 | 181 | 380 | 310 | 48 | 400 | 12 | M20 | 290 | |
| 350 | 184 | 440 | 355 | 78 | 460 | 16 | M20 | 295 | |
| 1.6 | 15 | 25 | 53 | 15 | 0.12 | 65 | 4 | M12 | 75 |
| 20 | 31.5 | 63 | 19 | 0.24 | 75 | 4 | M12 | 90 | |
| 25 | 35.5 | 73 | 24 | 0.34 | 82 | 4 | M12 | 90 | |
| 32 | 40 | 84 | 31 | 0.53 | 100 | 4 | M16 | 100 | |
| 40 | 45 | 94 | 39 | 0.80 | 110 | 4 | M16 | 105 | |
| 50 | 60 | 109 | 48 | 1.2 | 125 | 4 | M16 | 125 | |
| 65 | 67 | 129 | 73 | 3 | 145 | 4 | M16 | 155 | |
| 80 | 73 | 144 | 88 | 4 | 160 | 8 | M16 | 160 | |
| 100 | 73 | 164 | 108 | 6 | 182 | 8 | M16 | 165 | |
| 125 | 86 | 194 | 132 | 8 | 210 | 8 | M16 | 180 | |
| 150 | 98 | 220 | 160 | 13 | 240 | 8 | M20 | 205 | |
| 200 | 127 | 275 | 210 | 24 | 295 | 8 | M20 | 235 | |
| 250 | 146 | 332 | 266 | 35 | 350 | 12 | M20 | 255 | |
| 300 | 181 | 387 | 310 | 48 | 400 | 12 | M20 | 290 | |
| 350 | 184 | 447 | 355 | 78 | 460 | 16 | M20 | 295 | |
