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升降式止回閥
升降式止回閥
性能規范
| 公稱壓力PN | 2.5 | 4.0 | 6.4 | 10.0 | MPa | |||
| 殼體試驗壓力PT | 3.75 | 6.0 | 9.6 | 15.0 | ||||
| 高壓密封試驗壓力 | 2.75 | 4.0 | 7.04 | 11.0 | ||||
| 低壓密封試驗壓力 | 0.6 | |||||||
| 適用介質 | C | P | R | N | ||||
| 水、油品、蒸汽 | 硝酸類 | 醋酸類 | 液化氣 | |||||
| 適用溫度 | ≤425℃ | ≤100℃ | -40～ 80℃ | |||||
主要連接及外形尺寸（PN25）
| PN | DN | L | H | D | D1 | D2 | D6 | b | f | f1 | z-Φd |
| H41H/W/N/Y | 15 | 130 | 100 | 95 | 65 | 45 |
| 16 | 2 |
| 4-14 |
| 20 | 150 | 105 | 105 | 75 | 55 |
| 16 | 2 |
| 4-14 | |
| 25 | 160 | 120 | 115 | 85 | 65 |
| 16 | 2 |
| 4-14 | |
| 32 | 180 | 130 | 135 | 100 | 78 |
| 18 | 2 |
| 4-18 | |
| 40 | 200 | 135 | 145 | 110 | 85 |
| 18 | 3 |
| 4-18 | |
| 50 | 230 | 149 | 160 | 125 | 100 |
| 20 | 3 |
| 4-18 | |
| 80 | 310 | 169 | 195 | 160 | 135 |
| 22 | 3 |
| 8-18 | |
| 100 | 150 | 194 | 230 | 190 | 160 |
| 24 | 3 |
| 8-23 | |
| 150 | 480 | 255 | 600 | 250 | 218 |
| 30 | 3 |
| 8-25 | |
| 200 | 600 | 305 | 360 | 310 | 278 |
| 34 | 3 |
| 12-25 |
主要連接及外形尺寸（PN40）
| PN | DN | L | H | D | D1 | D2 | D6 | b | f | f1 | z-Φd |
| H41H/W/N/Y | 15 | 130 | 100 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 |
| 20 | 150 | 105 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | |
| 25 | 160 | 120 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | |
| 32 | 180 | 130 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | |
| 40 | 200 | 135 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | |
| 50 | 230 | 149 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | |
| 80 | 310 | 169 | 195 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | |
| 100 | 150 | 194 | 230 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | |
| 150 | 480 | 255 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | |
| 200 | 600 | 305 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 |
主要連接及外形尺寸（PN64）
| PN | DN | L | H | D | D1 | D2 | D6 | b | f | f1 | z-Φd |
| H41H/W/N/Y | 15 | 210 | 100 | 105 | 75 | 55 | 40 | 18 | 2 | 4 | 4-14 |
| 20 | 230 | 110 | 125 | 90 | 68 | 51 | 20 | 2 | 4 | 4-18 | |
| 25 | 230 | 125 | 135 | 100 | 78 | 58 | 22 | 2 | 4 | 4-18 | |
| 32 | 260 | 140 | 150 | 110 | 82 | 66 | 24 | 2 | 4 | 4-23 | |
| 40 | 260 | 168 | 165 | 125 | 95 | 76 | 24 | 3 | 4 | 4-23 | |
| 50 | 300 | 170 | 175 | 135 | 105 | 88 | 26 | 3 | 4 | 4-23 | |
| 80 | 380 | 205 | 210 | 170 | 140 | 121 | 30 | 3 | 4 | 8-23 | |
| 100 | 430 | 230 | 250 | 200 | 138 | 150 | 32 | 3 | 4.5 | 8-25 | |
| 150 | 550 | 265 | 340 | 280 | 240 | 204 | 38 | 3 | 4.5 | 8-34 | |
| 200 | 650 | 310 | 405 | 345 | 300 | 260 | 44 | 3 | 4.5 | 12-34 |
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