QB640H-10K,QB640H-16K,QB640H-25K,QB640H-40KQB640H,QB640Y型气动偏芯半球阀,采用AW型执行器
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QB640Y-10K,QB640Y-16K,QB640Y-25K,QB640Y-40K,QB640Y-64K,QB640Y-10B,QB640Y-16B,QB640Y-25B,QB640Y-40B,QB640Y-64B,QB640Y-10C,QB640Y-16C,QB640Y-25C,QB640Y-40C,QB640Y-64C,QB640Y-10P,QB640Y-16P,QB640Y-25P,QB640Y-40P,QB640Y-64P,QB640Y-10G,QB640Y-16G,QB640Y-25G,QB640Y-40G,QB640Y-64G,QB640Y-10W,QB640Y-16W,QB640Y-25W,QB640Y-40W,QB640Y-64W,QB640Y-10J,QB640Y-16J,QB640Y-25J,QB640Y-40J
材料代号 | C(WCB) | P(304) | R(316) | ||
主要零件 | 阀体 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | |
球体 | 2Cr13、(304) | 1Cr18Ni9Ti | 1Cr18Ni12MoTi | ||
阀杆 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12MoTi | ||
阀座密封 | 增强聚四氟乙烯、对位聚苯、硬质合金钢密封 | ||||
填料 | 聚四氟乙烯、柔性石墨 | ||||
适用工况 | 适用介质 | 蒸汽、水、油品 | 碱类腐蚀性介质 | 醋酸类腐蚀性介质 | |
适用温度 | 聚四氟乙烯≤180℃,对位聚苯≤300℃,金属密封≤425℃ |
压力 (MPa) | 通径 DN(mm) | 尺寸(mm) | ||||||||||||
L | PN1.6MPa | PN2.5MPa | PN4.0MPa | |||||||||||
法兰 | D | D1 | D2 | Z-фd | D | D1 | D2 | Z-фd | D | D1 | D2 | Z-фd | ||
PN1.6 PN2.5 PN4.0 | 40 | 125 | 145 | 110 | 85 | 4-18 | 145 | 110 | 85 | 4-18 | 145 | 110 | 85 | 4-18 |
50 | 140 | 160 | 125 | 100 | 4-18 | 160 | 125 | 100 | 4-18 | 160 | 125 | 100 | 4-18 | |
65 | 178 | 180 | 145 | 120 | 4-18 | 180 | 145 | 120 | 8-18 | 180 | 145 | 120 | 8-18 | |
80 | 190 | 195 | 160 | 135 | 8-18 | 195 | 160 | 135 | 8-18 | 195 | 160 | 135 | 8-18 | |
100 | 200 | 215 | 180 | 155 | 8-18 | 230 | 190 | 160 | 8-23 | 230 | 190 | 160 | 8-23 | |
125 | 254 | 245 | 210 | 185 | 8-18 | 270 | 220 | 188 | 8-25 | 270 | 220 | 188 | 8-25 | |
150 | 267 | 280 | 240 | 210 | 8-23 | 300 | 250 | 218 | 8-25 | 300 | 250 | 218 | 8-25 | |
200 | 292 | 335 | 295 | 265 | 12-23 | 360 | 310 | 278 | 12-25 | 375 | 320 | 282 | 12-30 | |
250 | 330 | 405 | 355 | 320 | 12-25 | 425 | 370 | 332 | 12-30 | 445 | 385 | 345 | 12-34 | |
300 | 390 | 460 | 410 | 375 | 12-25 | 485 | 430 | 390 | 16-30 | 510 | 450 | 408 | 16-34 |