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J41H/W高壓法蘭截止閥它依靠閥桿壓力,使閥瓣密封面與閥座密封面緊密結合,陰止介質流通。在啟閉過程中密封面之間摩擦力小,耐磨,開啟高度小,制造工藝性能好等特點。它是工業部門中使用Z廣泛的一種閥門。
J41H/W高壓法蘭截止閥它依靠閥桿壓力,使閥瓣密封面與閥座密封面緊密結合,陰止介質流通。在啟閉過程中密封面之間摩擦力小,耐磨,開啟高度小,制造工藝性能好等特點。它是工業部門中使用zui廣泛的一種閥門。
高壓法蘭截止閥特點結構
·與閘閥相比，截止閥的結構較簡單，制造和維修都比較方便；
·密封面不易磨損、擦傷、密封性能較好，壽命較長；
·啟閉時閥瓣行程較小，啟閉時間較短。設計與制造標準：
●設計與制造: GB12233
●法蘭尺寸: JB/T79 GB9113
●結構長度: GB12221
●檢驗與實驗: GB/T13927
高壓法蘭截止閥規格主要尺寸
| 公稱壓力 PN | 公稱通徑 DN | 主要連接尺寸 | Z43外形尺寸 | |||||||||
| L | D | D1 | D2 | D6 | b | f | f1 | Z-φd | H | D0 | ||
| 1.6MPa | 15 | 130 | 95 | 65 | 45 | - | 14 | 2 | - | 4-14 | 119 | 75 |
| 20 | 150 | 105 | 75 | 55 | - | 14 | 2 | - | 4-14 | 120 | 75 | 75 |
| 25 | 160 | 115 | 85 | 65 | - | 14 | 2 | - | 4-14 | 126 | 75 | 75 |
| 32 | 180 | 135 | 100 | 78 | - | 15 | 2 | - | 4-18 | 160 | 120 | 120 |
| 40 | 200 | 146 | 110 | 85 | - | 16 | 2 | - | 4-18 | 168 | 120 | 120 |
| 50 | 230 | 160 | 125 | 100 | - | 16 | 3 | - | 4-18 | 194 | 160 | 160 |
| 65 | 290 | 180 | 145 | 120 | - | 18 | 3 | - | 4-18 | - | - | - |
| 80 | 310 | 195 | 160 | 135 | - | 20 | 3 | - | 8-18 | - | - | - |
| 100 | 350 | 215 | 180 | 155 | - | 20 | 3 | - | 8-18 | - | - | - |
| 125 | 400 | 245 | 210 | 185 | - | 22 | 3 | - | 8-18 | - | - | - |
| 150 | 480 | 280 | 240 | 210 | - | 24 | 3 | - | 8-23 | - | - | - |
| 2.5MPa | 15 | 130 | 95 | 65 | 45 | - | 16 | 2 | - | 4-14 | 230 | 120 |
| 20 | 150 | 105 | 75 | 55 | - | 16 | 2 | - | 4-14 | 275 | 140 | |
| 25 | 160 | 115 | 85 | 65 | - | 16 | 2 | - | 4-14 | 295 | 160 | |
| 32 | 180 | 135 | 100 | 78 | - | 18 | 2 | - | 4-18 | 335 | 160 | |
| 40 | 200 | 145 | 110 | 85 | - | 18 | 3 | - | 4-18 | 380 | 200 | |
| 50 | 230 | 160 | 125 | 100 | - | 20 | 3 | - | 4-18 | 398 | 240 | |
| 65 | 290 | 180 | 145 | 120 | - | 22 | 3 | - | 8-18 | 433 | 280 | |
| 80 | 310 | 195 | 160 | 135 | - | 22 | 3 | - | 8-18 | 468 | 320 | |
| 100 | 350 | 230 | 190 | 160 | - | 24 | 3 | - | 8-23 | 520 | 360 | |
| 125 | 400 | 270 | 220 | 188 | - | 28 | 3 | - | 8-25 | 556 | 400 | |
| 150 | 480 | 300 | 250 | 218 | - | 30 | 3 | - | 8-25 | 674 | 400 | |
| 200 | 600 | 360 | 310 | 278 | - | 34 | 3 | - | 12-25 | 806 | 450 | |
| 250 | 650 | 425 | 370 | 332 | - | 36 | 3 | - | 12-30 | 880 | 550 | |
| 300 | 750 | 485 | 430 | 390 | - | 40 | 4 | - | 16-34 | 995 | 800 | |
| 4.0MPa | 15 | 130 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 | 230 | 120 |
| 20 | 150 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 275 | 140 | |
| 25 | 160 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 295 | 160 | |
| 32 | 180 | 135 | 100 | 78 | 66 | 18 | 3 | 4 | 4-18 | 308 | 160 | |
| 40 | 200 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 354 | 200 | |
| 50 | 230 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 380 | 240 | |
| 65 | 290 | 180 | 145 | 120 | 110 | 22 | 3 | 4 | 8-18 | 420 | 280 | |
| 80 | 310 | 195 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 462 | 320 | |
| 100 | 350 | 230 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 506 | 360 | |
| 125 | 400 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-25 | 556 | 400 | |
| 150 | 480 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | 692 | 400 | |
| 200 | 600 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 | 806 | 450 | |
| 6.4MPa | 15 | 170 | 105 | 75 | 55 | 41 | 18 | 2 | 4 | 4-18 | 210 | 140 |
| 20 | 190 | 125 | 90 | 68 | 51 | 20 | 2 | 4 | 4-18 | 248 | 160 | |
| 25 | 210 | 135 | 100 | 78 | 58 | 22 | 2 | 4 | 4-18 | 275 | 180 | |
| 32 | 230 | 150 | 110 | 82 | 66 | 24 | 3 | 4 | 4-23 | 355 | 200 | |
| 40 | 260 | 165 | 125 | 95 | 76 | 24 | 3 | 4 | 4-23 | 395 | 240 | |
| 50 | 300 | 175 | 135 | 105 | 88 | 26 | 3 | 4 | 4-23 | 450 | 280 | |
| 65 | 340 | 200 | 160 | 130 | 110 | 28 | 3 | 4 | 8-23 | 494 | 320 | |
| 80 | 380 | 210 | 170 | 140 | 121 | 30 | 3 | 4 | 8-23 | 531 | 360 | |
| 100 | 430 | 250 | 200 | 168 | 150 | 32 | 3 | 4.5 | 8-25 | 580 | 400 | |
| 150 | 550 | 340 | 280 | 240 | 204 | 38 | 3 | 4.5 | 8-34 | 710 | 450 | |
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