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更新時間：2025-01-26 12:56:22瀏覽次數(shù)：24次
聯(lián)系我時，請告知來自 化工機械設(shè)備網(wǎng)PQ647TC耐磨陶瓷密封偏心半球閥Partialwear-resisting(control)ceramicsuper-hardsealingfacesegmentalballvalve工作原理Operationprinciple由閥桿帶動關(guān)閉件繞旋轉(zhuǎn)中心點轉(zhuǎn)動時，球體由另點移至第三點，此時相對閥門中心點，從另點的第三點軌跡為一凸輪狀偏心，向下進入閥座使閥門關(guān)閉保持密封
PQ647TC 耐磨陶瓷密封偏心半球閥 Partial wear-resisting(control) ceramic super-hard sealing face segmental ball valve
工作原理 Operation principle
由閥桿帶動關(guān)閉件繞旋轉(zhuǎn)中心點轉(zhuǎn)動時，球體由另點移至第三點，此時相對閥門中心點，從另點的第三點軌跡為一凸輪狀偏心，向下進入閥座使閥門關(guān)閉保持密封。該閥由于存在上述凸輪原理，閥門關(guān)閉件從開啟到關(guān)閉過程中，作用在閥座上的力逐漸增大密封比壓，直至密封，反之亦然。這就大大改善了以往球閥的密封狀態(tài)和密封效果，適合高溫、高壓及磨損嚴重的場合使用，流通能力達，密封性能好，使用壽命長。
Driven by the stem to close one to wind the rotatory central point while rotating, the spheroid is moved to the third a bit more separately, relative valve central point at this moment, form the third orbit a bit one cam form partial another, enter it and make it close to keep sealing. Because the cam principle of mentioned above, the valve closes one from course of closing, strength that act on valve seat increase gradually, close pieces of between surface and the valve flat break away from to keep in touch at all, and crescent to seal than pigeonhole, until totally sealing, the opposite is also true. This has improved sealed states and sealed results of the past ball valve greatly, suit high temperature, high pressure and wear and tear serious occasion use, circulate ability to be heavy, characteristic of good performance, having long performance life etc.
偏心耐磨(調(diào)節(jié))陶瓷、超硬密封面半球閥產(chǎn)品圖 偏心耐磨(調(diào)節(jié))陶瓷、超硬密封面半球閥外形尺寸圖
主要性能規(guī)范 Specifications
名稱 Name | (調(diào)節(jié))陶瓷半球閥 (Control)ceramic half ball valve | 超硬密封面半球閥 Super hard packing surface half ball valve | |
公稱通徑Nominal diameter | 25～400 | 25～400 | |
公稱壓力Nominal pressure | 1.6, 2.5, 4.0, 6.4 | 1.6, 2.5, 4.0, 6.4 | |
試驗壓力 Test pressure | 強度 Intensity | 2.4, 3.8, 6.0, 9.6 | 2.4, 3.8, 6.0, 9.6 |
密封 Seal | 1.8, 2.8, 4.4, 7.1 | 1.8, 2.8, 4.4, 7.1 | |
適用溫度 Applicable Temperature | |||
適用介質(zhì) Applicable medium | 煤粉、煤渣、粉狀顆粒等腐蝕性介質(zhì) coal dust, slack, slack, limestone, Gypsum slurry and corrosive medium | ||
驅(qū)動方式 Drive type | 手動、電動、氣動 Manual, electrically operated, imposing manner | ||
連接形式 Connection form | 法蘭Flange | ||
主要零件材料 Main parts of material
名稱 Name | 陶瓷半球閥 Ceramic half ball valve | 超硬密封面半球閥 extra hard seal surface half ball valve |
閥體body | WCB, 304, 316 | WCB, 304, 316 |
閥桿 stem | 2Cr13, 304, 316 | 2Cr13, 304, 316 |
閥座 seat | 陶瓷硬度HV≥1100 Ceramic hardness HV≥1100 | 不銹鋼表面超硬處理 Stainless steel surface extra hard handle |
球體 ball | 陶瓷硬度HV≥1100 Ceramic hardness HV≥1100 | 不銹鋼、硬度HRC60～70 stainless steel HRC60～70 |
流道 flow channel | 陶瓷硬度HV≥1100 Ceramic hardness HV≥1100 | 碳鋼、HRC60~70 Carbon steel HRC60~70 |
填料 packing | 柔性石墨 Flexible graphite | |
主要連接尺寸 Main connecting dimensions
型號Type | PN | DN | L | D | D1 | D2 | b | n-Φ |
PNQ47TC PNQ47SY | 1.6MPa | 25 | 127 | 115 | 85 | 65 | 14 | 4-M12 |
32 | 140 | 135 | 100 | 78 | 16 | 4-M16 | ||
40 | 165 | 145 | 110 | 85 | 16 | 4-M16 | ||
50 | 178 | 160 | 125 | 100 | 16 | 4-M16 | ||
65 | 190 | 180 | 145 | 120 | 18 | 4-M16 | ||
80 | 203 | 195 | 160 | 135 | 20 | 8-M16 | ||
100 | 229 | 215 | 180 | 155 | 20 | 8-M16 | ||
125 | 254 | 245 | 210 | 185 | 22 | 8-M16 | ||
150 | 267 | 280 | 240 | 210 | 24 | 8-M20 | ||
200 | 292 | 335 | 295 | 265 | 26 | 12-M20 | ||
250 | 330 | 405 | 355 | 320 | 30 | 12-M22 | ||
300 | 356 | 460 | 410 | 375 | 30 | 12-M22 | ||
350 | 381 | 520 | 470 | 435 | 34 | 12-M22 | ||
400 | 406 | 580 | 525 | 485 | 36 | 16-M27 |
型號Type | PN | DN | L | D | D1 | D2 | b | n-Φ |
PNQ47TC PNQ47SY | 2.5MPa | 25 | 127 | 115 | 85 | 65 | 16 | 4-M12 |
32 | 140 | 135 | 100 | 78 | 18 | 4-M16 | ||
40 | 165 | 145 | 110 | 85 | 18 | 4-M16 | ||
50 | 178 | 160 | 125 | 100 | 20 | 4-M16 | ||
65 | 190 | 180 | 145 | 120 | 22 | 8-M16 | ||
80 | 203 | 195 | 160 | 135 | 22 | 8-M16 | ||
100 | 229 | 230 | 190 | 160 | 24 | 8-M20 | ||
125 | 254 | 270 | 220 | 188 | 28 | 8-M22 | ||
150 | 267 | 300 | 250 | 218 | 30 | 8-M22 | ||
200 | 292 | 360 | 310 | 278 | 34 | 12-M22 | ||
250 | 330 | 425 | 370 | 332 | 36 | 12-M27 | ||
300 | 356 | 485 | 430 | 390 | 40 | 16-M27 | ||
350 | 381 | 550 | 490 | 448 | 44 | 16-M30 | ||
400 | 406 | 610 | 550 | 505 | 48 | 16-M30 | ||
4.0MPa | 25 | 127 | 115 | 85 | 65 | 16 | 4-M12 | |
32 | 140 | 135 | 100 | 78 | 18 | 4-M16 | ||
40 | 165 | 145 | 110 | 85 | 18 | 4-M16 | ||
50 | 178 | 160 | 125 | 100 | 20 | 4-M16 | ||
65 | 190 | 180 | 145 | 120 | 22 | 8-M16 | ||
80 | 203 | 195 | 160 | 135 | 22 | 8-M16 | ||
100 | 229 | 230 | 190 | 160 | 24 | 8-M20 | ||
125 | 254 | 270 | 220 | 188 | 28 | 8-M22 | ||
150 | 267 | 300 | 250 | 218 | 30 | 8-M22 | ||
200 | 292 | 375 | 320 | 282 | 38 | 12-M27 | ||
250 | 330 | 445 | 385 | 345 | 42 | 12-M30 | ||
300 | 356 | 510 | 450 | 408 | 46 | 16-M30 | ||
350 | 381 | 570 | 510 | 465 | 52 | 16-M30 | ||
400 | 406 | 655 | 585 | 535 | 58 | 16-M36 |
型號Type | PN | DN | L | D | D1 | D2 | b | n-Φ |
PNQ47TC PNQ47SY | 6.4MPa | 25 | 127 | 135 | 100 | 78 | 22 | 4-M16 |
32 | 140 | 150 | 110 | 82 | 24 | 4-M20 | ||
40 | 165 | 165 | 125 | 95 | 24 | 4-M20 | ||
50 | 178 | 175 | 135 | 105 | 26 | 4-M20 | ||
65 | 190 | 200 | 160 | 130 | 28 | 8-M20 | ||
80 | 203 | 210 | 170 | 140 | 30 | 8-M20 | ||
100 | 229 | 250 | 200 | 168 | 32 | 8-M22 | ||
125 | 254 | 295 | 240 | 202 | 36 | 8-M27 | ||
150 | 267 | 340 | 280 | 240 | 38 | 8-M30 | ||
200 | 292 | 405 | 345 | 300 | 44 | 12-M30 | ||
250 | 330 | 470 | 400 | 352 | 48 | 12-M36 | ||
300 | 356 | 530 | 460 | 412 | 54 | 16-M36 |
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