所有部件均為鍛件
采用下裝式閥桿,設置倒密封結構,確保填料處可靠密封及防止閥桿脫出。
采用鑲嵌式閥座。閥座背后設置O型圈,確保介質不外漏。
零件名稱 | 材質 | |
GB | ASTM | |
閥體、閥蓋 | WCB | A216-WCB |
密封圈 | 尼龍 | 尼龍 |
球體 | 1Cr18Ni9Ti | SS304 |
閥座、閥桿 | 2Cr13 | A246-416 |
O形圈 | 橡膠 | 橡膠 |
雙頭螺栓 | 35CrMoA | A193-B7 |
設計、制造按GB12237-89
結構長度按GB12221-89
連接法蘭:JB/T79-94
閥門檢查和實驗按API STD.598
DN | PN10.0MPa | |||||||||
L | D | D1 | D2 | D3 | f1 | b | f | n-b | H | |
15 | 165 | 105 | 75 | 55 | 40 | 4 | 20 | 2 | 4-14 | 76 |
20 | 190 | 130 | 90 | 68 | 51 | 4 | 22 | 2 | 4-18 | 84 |
25 | 216 | 140 | 100 | 78 | 58 | 4 | 24 | 2 | 4-18 | 90 |
32 | 229 | 155 | 110 | 82 | 66 | 4 | 24 | 2 | 4-23 | 107 |
40 | 241 | 170 | 125 | 95 | 76 | 4 | 26 | 3 | 4-23 | 127 |
50 | 292 | 195 | 145 | 112 | 88 | 4 | 28 | 3 | 4-26 | 130 |
65 | 330 | 220 | 170 | 138 | 110 | 4 | 32 | 3 | 8-26 | 180 |
80 | 356 | 230 | 180 | 148 | 121 | 4 | 34 | 3 | 8-26 | 230 |
100 | 432 | 265 | 210 | 172 | 150 | 4.5 | 38 | 3 | 8-30 | 285 |
125 | 508 | 315 | 250 | 210 | 176 | 4.5 | 42 | 3 | 8-34 | 340 |
150 | 559 | 355 | 290 | 250 | 204 | 4.5 | 46 | 3 | 12-34 | 435 |
200 | 660 | 430 | 360 | 312 | 260 | 4.5 | 54 | 3 | 12-36 | 530 |
DN | PN16.0MPa | |||||||||
L | D | D1 | D2 | D3 | f1 | b | f | n-b | H | |
25 | 254 | 140 | 100 | 72 | 58 | 4 | 28 | 2 | 4-23 | 90 |
32 | 279 | 165 | 115 | 85 | 66 | 4 | 30 | 2 | 4-25 | 107 |
40 | 305 | 175 | 125 | 92 | 76 | 4 | 32 | 3 | 4-27 | 127 |
50 | 368 | 215 | 165 | 132 | 88 | 4 | 36 | 3 | 8-25 | 130 |
65 | 419 | 245 | 190 | 152 | 110 | 4 | 44 | 3 | 8-30 | 180 |
80 | 381 | 260 | 205 | 168 | 121 | 4 | 46 | 3 | 8-30 | 230 |
100 | 457 | 300 | 240 | 200 | 150 | 4.5 | 48 | 3 | 8-34 | 285 |
125 | 508 | 355 | 285 | 238 | 176 | 4.5 | 60 | 3 | 8-41 | 340 |
150 | 610 | 390 | 318 | 270 | 204 | 4.5 | 66 | 3 | 12-41 | 435 |
200 | 737 | 480 | 400 | 345 | 260 | 4.5 | 78 | 3 | 12-48 | 530 |