用途
偏心耐磨陶瓷球阀主要用于颗粒介质场合或介质易沉淀和容易结垢的管路上，由于该阀结构特殊，把附着在阀瓣或阀座上的附着物自动消除。
性能规范
偏心耐磨陶瓷球阀性能规范表 | 名称Name | （调节）陶瓷半球阀（Control）ceramic half ball valve | 超硬密封面半球阀Super hard packing surface half ball valve |
| 公称通径Nominal diameter | 25～400 | 25～400 |
| 公称压力Nominal pressure | 1.6, 2.5, 4.0, 6.4 | 1.6, 2.5, 4.0, 6.4 |
| 试验压力Test pressure | 强度 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 |
| 适用温度 Applicable Temperature | |
| 适用介质 Applicable medium | 煤粉、煤渣、粉状颗粒等腐蚀性介质coal dust, slack, slack, limestone, Gypsum slurry and corrosive medium |
| 驱动方式 Drive type | 手动、电动、气动Manual, electrically operated, imposing manner |
| 连接形式 Connection form | 法兰Flange |
零件材料
偏心耐磨陶瓷球阀零件材料表 | 名称 Name | 陶瓷半球阀 Ceramic half ball valve | 超硬密封面半球阀 extra hard seal surface half ball valve |
| 阀体body | WCB, 304, 316 | WCB, 304, 316 |
| 阀杆 stem | 2Cr13, 304, 316 | 2Cr13, 304, 316 |
| 阀座 seat | 陶瓷硬度HV≥1100Ceramic hardness HV≥1100 | 不锈钢表面超硬处理 Stainless steel surface extra hard handle |
| 球体 ball | 陶瓷硬度HV≥1100Ceramic hardness HV≥1100 | 不锈钢、硬度HRC60～70 stainless steel HRC60～70 |
| 流道 flow channel | 陶瓷硬度HV≥1100Ceramic hardness HV≥1100 | 碳钢、HRC60~70Carbon steel HRC60~70 |
| 填料 packing | 柔性石墨Flexible graphite |
连接尺寸
偏心耐磨陶瓷球阀连接尺寸表 | 型号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 |
连接尺寸
偏心耐磨陶瓷球阀连接尺寸表 | 型号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 |
| 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 |
