| 品牌 : | 凱凡 | 型號 : | Q947H-40C-DN250 |
| 訂貨號 : | Q47H40C250 | 加工定制 : | 否 |
| 貨號 : | Q47H40C250 | 閥體材料 : | 鑄鋼 |
| 工作溫度 : | ≤415℃ | 公稱通徑 : | 250 |
| 密封材料 : | 聚四氟乙烯 | 閥門性能特點(diǎn) : | 固定式 |
| 工作介質(zhì) : | 氣體、水、油品 | 公稱壓力 : | 4.0Mpa |
| 連接方式 : | 法蘭 | 執(zhí)行器性能特點(diǎn) : | 開關(guān)型 |
| 規(guī)格 : | DN250 | 是否跨境貨源 : | 否 |
Q47型固定式球閥是新一代高性能球閥，適用于長輸管線和一般工業(yè)管線，其安全、耐惡劣環(huán)境性等的設(shè)計(jì)時(shí)均已進(jìn)行了特
殊考慮，適用于各種腐蝕介質(zhì)。它與滾動式球閥相比，工作時(shí)管道中閥前流體壓力在球體上產(chǎn)生的作用力全部傳遞給上下軸
承，球體不會移動，閥門密封靠彈簧和介質(zhì)壓力推動閥座實(shí)現(xiàn)，因而閥座不會承受過大壓力，所以Q 47型固定式球閥閥座
變形小，操作力端輕，密封性能可靠，使用壽命長，特別適用于高壓、大口徑的場所。
| 閥體、閥蓋 | GB | WCB | LB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo 2 |
| ASTM | WCB | LCB | Cf 8 | CF 8 M | |
| 球體 | GB | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2 |
| ASTM | 420 | 304 | 304-HF | 318 | |
| 閥桿 | GB | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo 2 |
| ASTM | 420 | 420 | 304 | 318 | |
| 閥座 | GB | 2Cr13/PTFE | 2Cr13/PTFE | 1Cr18Ni9Ti/PTFE | 1Cr18Ni12Mo2/PTFE |
| ASTM | 420/PTFE | 420/PTFE | 304/PTFE | 316/PTFE | |
| 填料 | GB | PTFE | PTFE | PTFE | PTFE |
| ASTM | PTFE | PTFE | PTFE | PTFE | |
| 螺栓 | GB | 35 | 35 | 0Cr18Ni9 | 0Cr18Ni9 |
| ASTM | A183B7 | A183B7 | A320-88 | A320-88 | |
| 螺母 | GB | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 |
| ASTM | A1932H | A1932H | A194-8 | A194-8 |
| 公稱壓力PN | 公稱口徑DN | 尺寸 ( mm ) | |||||||||||
| d I | I | D | D 1 | D 2 | DB | f | f 2 | b | Z-Φd | H 1 | H 2 | ||
| 1.6Mpa | 25 | 25 | 127 | 115 | 85 | 65 | - | 2 | - | 14 | 4 - 14 | - | 75 |
| 32 | 32 | 140 | 135 | 100 | 78 | - | 2 | - | 16 | 4 - 18 | - | 85 | |
| 40 | 40 | 165 | 145 | 110 | 85 | - | 3 | - | 16 | 4 - 18 | - | 95 | |
| 50 | 50 | 178 | 160 | 125 | 100 | - | 3 | - | 16 | 4 - 18 | - | 107 | |
| 55 | 55 | 180 | 180 | 145 | 120 | - | 3 | - | 18 | 4 - 18 | - | 142 | |
| 60 | 60 | 285 | 195 | 160 | 135 | - | 3 | - | 20 | 8 - 18 | - | 152 | |
| 100 | 100 | 305 | 215 | 180 | 155 | - | 3 | - | 20 | 8 - 18 | - | 178 | |
| 125 | 125 | 356 | 245 | 210 | 185 | - | 3 | - | 22 | 8 - 18 | - | 252 | |
| 150 | 150 | 394 | 280 | 240 | 210 | - | 3 | - | 24 | 8 - 23 | - | 272 | |
| 200 | 200 | 457 | 335 | 295 | 265 | - | 3 | - | 26 | 12 - 23 | 335 | 398 | |
| 250 | 250 | 533 | 405 | 355 | 320 | - | 3 | - | 26 | 12 - 25 | 385 | 495 | |
| 300 | 300 | 610 | 480 | 410 | 375 | - | 4 | - | 30 | 12 - 25 | 430 | 580 | |
| 350 | 350 | 686 | 520 | 470 | 435 | - | 4 | - | 34 | 16 - 25 | 470 | 625 | |
| 400 | 400 | 762 | 580 | 525 | 485 | - | 4 | - | 36 | 16 - 30 | 590 | 720 | |
| 500 | 500 | 914 | 705 | 650 | 608 | - | 4 | - | 44 | 20 - 34 | 00 | 840 | |
| 600 | 600 | 1067 | 840 | 770 | 718 | - | 5 | - | 48 | 20 - 41 | 780 | 1050 | |
| 700 | 700 | 1245 | 910 | 840 | 788 | - | 5 | - | 50 | 24 - 41 | 950 | 1150 | |
| 800 | 800 | 1372 | 1020 | 950 | 898 | - | 5 | - | 52 | 24 - 41 | - | 1220 | |
| 2.5Mpa | 25 | 25 | 165 | 115 | 85 | 65 | - | 2 | - | 16 | 4 - 14 | - | 75 |
| 32 | 32 | 180 | 135 | 100 | 78 | - | 2 | - | 18 | 4 - 18 | - | 85 | |
| 40 | 40 | 190 | 145 | 110 | 85 | - | 3 | - | 18 | 4 - 10 | - | 92 | |
| 50 | 50 | 216 | 160 | 125 | 100 | - | 3 | - | 20 | 4 - 18 | - | 107 | |
| 65 | 55 | 241 | 180 | 145 | 120 | - | 3 | - | 22 | 8 - 18 | - | 142 | |
| 80 | 60 | 283 | 195 | 160 | 135 | - | 3 | - | 24 | 8 - 18 | - | 152 | |
| 100 | 100 | 305 | 230 | 180 | 160 | - | 3 | - | 28 | 8 - 23 | - | 178 | |
| 125 | 125 | 381 | 270 | 220 | 188 | - | 3 | - | 30 | 8 - 25 | - | 252 | |
| 150 | 150 | 403 | 300 | 250 | 218 | - | 3 | - | 34 | 8 - 25 | - | 272 | |
| 200 | 200 | 502 | 380 | 310 | 278 | - | 3 | - | 34 | 12 - 25 | - | 398 | |
| 250 | 250 | 508 | 425 | 370 | 332 | - | 3 | - | 36 | 12 - 25 | 335 | 495 | |
| 300 | 300 | 548 | 485 | 430 | 390 | - | 4 | - | 40 | 12 - 30 | 385 | 580 | |
| 350 | 350 | 762 | 550 | 400 | 448 | - | 4 | - | 44 | 16 - 34 | 430 | 625 | |
| 400 | 400 | 838 | 610 | 550 | 505 | - | 4 | - | 48 | 16 - 34 | 470 | 720 | |
| 500 | 500 | 991 | 730 | 660 | 610 | - | 4 | - | 52 | 20 - 41 | 500 | 840 | |
| 600 | 600 | 1143 | 840 | 770 | 718 | - | 5 | - | 56 | 20 - 41 | 700 | 1050 | |
| 700 | 700 | 1346 | 855 | 875 | 815 | - | 5 | - | 60 | 24 - 48 | 780 | 1150 | |
| 800 | 781 | 1524 | 1070 | 990 | 930 | - | 5 | - | 64 | 24 - 48 | 950 | 1220 | |
