执行标准 设计规范 | 结构长度 | 连接法兰 | 试验 &与检验 | 产品标识 | 售货规范 | GB/T12238 | GB/T 12221 | JB/T78 JB/T79 | GB/ 13927 | GB/ 12220 | JB/7928 | 压力试验 MPa 公称压力 PN(Lb) | 0.6 | 1.0 | 1.6 | 2.5 | 强度试验 | 0.9 | 1.5 | 2.4 | 3.75 | 水密封试验 | 0.66 | 1.1 | 1.76 | 2.75 | 气密封试验 | 0.4-.7 | 性能规范 衬里 /座 | 代号 | 适用温度℃ | 适用介质 | PTFE(F4) | F4 | ≤180 | 除熔融碱金属,元素氟外 的各种浓度的酸、碱、盐、王 水、有机酸等强腐蚀性介质。 | PCTFE(F3) | F3 | ≤120 | FEP(F46) | F46 | ≤160 | PFA(可溶性F4) | FA | ≤180 | PVDF(F2) | F2 | ≤100 | RPTFE(RF4) | FR4 | ≤180 | 主要零部件材料 零件名称 | 灰铸铁 | 铸钢 | 不锈耐酸铸钢 | 超低碳不锈耐酸铸钢 | Z | C | P | R | PL | RL | 阀体 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M | 蝶板 | WCB | CF8 | CF8M | CF3 | CF3M | 阀杆 | 1Cr13 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 | 衬里 /座 | PTFE(F4)、 PcTFE(F3)、FEP(F46)、PFA(可溶性F4) | 紧固销 | 2Crl3 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 | 填料 | PTFE(F4) | PTFE(F4) | PTFE(F4) | 填料压盖 | WCB | CF8 | CF8M | CF3 | CF3M | 支架 | WCB | CF8 | CF8 | 紧固螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | 螺母 | 45 | OCr18Ni9 | 0Cr18Ni9 | 主要外形和连接尺寸 DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | n-φd | W | Do | H | WT(Kg) | PN 0.6MPa | 40 | 11/2 | 106 | 130 | 100 | 80 | 3 | 16 | 4-φ14 | 160 | | 140 | 10 | 50 | 2 | 108 | 140 | 110 | 90 | 3 | 16 | 4-φ14 | 200 | | 160 | 12 | 65 | 21/2 | 112 | 160 | 130 | 110 | 3 | 16 | 4-φ14 | 250 | | 160 | 13 | 80 | 3 | 114 | 185 | 150 | 125 | 3 | 18 | 4-φ18 | 260 | | 170 | 14 | 100 | 4 | 127 | 205 | 170 | 145 | 3 | 18 | 4-φ18 | 300 | | 180 | 16 | 125 | 5 | 140 | 235 | 200 | 175 | 3 | 20 | 8-φ18 | 300 | | 275 | 18 | 150 | 6 | 140 | 260 | 225 | 200 | 3 | 20 | 8-φ18 | | 200 | 295 | 38 | 200 | 8 | 152 | 315 | 280 | 255 | 3 | 22 | 8-φ18 | | 200 | 320 | 74 | 250 | lO | 250 | 370 | 335 | 3lO | 3 | 24 | 12-φ18 | | 240 | 385 | 105 | 300 | 12 | 270 | 435 | 375 | 362 | 4 | 24 | 12-φ23 | | 240 | 390 | 142 | 350 | 14 | 290 | 485 | 445 | 412 | 4 | 26 | 12-φ23 | | 240 | 460 | 179 | 400 | 16 | 310 | 535 | 495 | 462 | 4 | 28 | 16-φ23 | | 280 | 510 | 220 | 450 | 18 | 330 | 590 | 560 | 518 | 4 | 28 | 16-φ23 | | 280 | 540 | 268 | 500 | 20 | 350 | 640 | 600 | 568 | 4 | 30 | 16-φ23 | | 320 | 570 | 378 | 600 | 24 | 390 | 755 | 705 | 670 | 5 | 30 | 20-φ25 | | 320 | 660 | 608 | 700 | 28 | 430 | 860 | 8lO | 775 | 5 | 32 | 24-φ25 | | 360 | 710 | 1050 | 800 | 32 | 470 | 975 | 920 | 880 | 5 | 34 | 24-φ30 | | 360 | 780 | 1320 | 900 | 36 | 5lO | 1075 | 1020 | 980 | 5 | 36 | 24-φ30 | | 380 | 885 | 1795 | 1000 | 40 | 550 | 1175 | 1120 | 1080 | 5 | 36 | 28-φ30 | | 400 | 990 | 1900 | PN 1.0MPa | 40 | 11/2 | 106 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 160 | | 140 | 10 | 60 | 2 | 108 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 200 | | 160 | 12 | 65 | 21/2 | 112 | 180 | 146 | 120 | 3 | 20 | 4-φ18 | 260 | | 165 | 14 | 80 | 3 | 114 | 195 | 160 | 135 | 3 | 22 | 4-φ18 | 250 | | 170 | 16 | 100 | 4 | 127 | 215 | 180 | 155 | 3 | 22 | 8-φ18 | 300 | | 180 | 18 | 125 | 5 | 140 | 245 | 2lO | 185 | 3 | 24 | 8-φ18 | 300 | | 275 | 20 | 150 | 6 | 140 | 280 | 240 | 2lO | 3 | 24 | 8-φ23 | | 200 | 295 | 38 | 200 | 8 | 152 | 335 | 295 | 265 | 3 | 26 | 8-φ23 | | 200 | 320 | 74 | 250 | 10 | 250 | 390 | 350 | 320 | 3 | 28 | 12-φ23 | | 240 | 385 | 105 | 300 | 12 | 270 | 440 | 400 | 368 | 4 | 28 | 12-φ23 | | 240 | 390 | 142 | 350 | 14 | 290 | 500 | 460 | 428 | 4 | 30 | 16-φ23 | | 240 | 460 | 179 | 400 | 16 | 310 | 565 | 516 | 482 | 4 | 32 | 16-φ25 | | 280 | 510 | 220 | 450 | 18 | 330 | 615 | 565 | 532 | 4 | 32 | 20-φ25 | | 280 | 540 | 268 | 500 | 20 | 350 | 380 | 620 | 585 | 4 | 34 | 20-φ25 | | 320 | 570 | 378 | 600 | 24 | 390 | 780 | 725 | 685 | 5 | 36 | 20-φ30 | | 320 | 660 | 608 | 700 | 28 | 430 | 895 | 840 | 800 | 5 | 40 | 20-φ30 | | 360 | 710 | 1050 | 800 | 32 | 470 | 1010 | 950 | 905 | 5 | 44 | 24-φ34 | | 360 | 780 | 1320 | 900 | 36 | 510 | 1110 | 1050 | 1005 | 5 | 46 | 28-φ34 | | 380 | 885 | 1795 | 1000 | 40 | 550 | 1220 | 1160 | 1115 | 5 | 50 | 28-φ34 | | 400 | 990 | 1900 | 主要外形和连接尺寸 DN (mm) | NPS (inch) | L | D | Dl | D2 | f | b | n-φd | W | D0 | H | WT(Kg) | PN 1.6MPa | 40 | 11/2 | 106 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 160 | | 140 | 10 | 50 | 2 | 108 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 200 | | 160 | 12 | 65 | 21/2 | 112 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | 250 | | 165 | 13 | 80 | 3 | 114 | 195 | 160 | 135 | 3 | 22 | 8-φ18 | 260 | | 170 | 14 | 100 | 4 | 127 | 215 | 180 | 155 | 3 | 24 | 8-φ18 | 300 | | 180 | 16 | 125 | 5 | 140 | 245 | 210 | 185 | 3 | 26 | 8-φ18 | 300 | | 275 | 18 | 150 | 6 | 140 | 280 | 240 | 2lO | 3 | 28 | 8-φ23 | | 200 | 295 | 42 | 200 | 8 | 152 | 335 | 295 | 265 | 3 | 30 | 12-φ23 | | 200 | 320 | 78 | 250 | 10 | 250 | 405 | 355 | 320 | 3 | 32 | 12-φ25 | | 240 | 385 | 120 | 300 | 12 | 270 | 460 | 410 | 375 | 4 | 34 | 12-φ25 | | 240 | 390 | 145 | 350 | 14 | 290 | 520 | 470 | 435 | 4 | 38 | 16-φ25 | | 240 | 460 | 202 | 400 | 16 | 310 | 580 | 625 | 485 | 4 | 40 | 16-φ30 | | 280 | 510 | 235 | 450 | 18 | 330 | 640 | 585 | 545 | 4 | 44 | 20-φ30 | | 280 | 540 | 368 | 500 | 20 | 350 | 705 | 650 | 608 | 4 | 46 | 20-φ34 | | 320 | 570 | 420 | 600 | 24 | 390 | 840 | 770 | 718 | 5 | 54 | 20-φ4l | | 320 | 660 | 750 | 700 | 28 | 430 | 910 | 840 | 788 | 5 | 54 | 24-φ4l | | 360 | 71O | 1028 | 800 | 32 | 470 | 1020 | 950 | 898 | 5 | 54 | 24-φ4l | | 380 | 780 | 1690 | 900 | 36 | 510 | 1120 | 1050 | 998 | 5 | 54 | 28-φ4l | | 400 | 885 | 1815 | 1000 | 40 | 550 | 1255 | 1170 | 111O | 5 | 60 | 28-φ48 | | 500 | 990 | 2050 | PN 2.5MPa | 40 | 11/2 | 106 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 200 | | 140 | 11 | 50 | 2 | 108 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 200 | | 160 | 13 | 65 | 21/2 | 112 | 180 | 145 | 120 | 3 | 22 | 8-φ18 | 250 | | 165 | 14 | 80 | 3 | 114 | 195 | 160 | 135 | 3 | 22 | 8-φ18 | 250 | | 170 | 16 | 100 | 4 | 127 | 230 | 190 | 160 | 3 | 24 | 8-φ23 | 300 | | 180 | 18 | 125 | 6 | 140 | 270 | 220 | 188 | 3 | 28 | 8-φ25 | 300 | | 275 | 20 | 150 | 6 | 140 | 300 | 250 | 218 | 3 | 30 | 8-φ25 | | 240 | 295 | 48 | 200 | 8 | 152 | 360 | 310 | 278 | 3 | 34 | 12-φ25 | | 240 | 320 | 88 | 250 | 10 | 250 | 425 | 370 | 332 | 3 | 36 | 12-φ30 | | 280 | 385 | 145 | 300 | 12 | 270 | 485 | 430 | 390 | 4 | 40 | 16-φ30 | | 280 | 390 | 157 | 350 | 14 | 290 | 550 | 490 | 448 | 4 | 44 | 16-φ34 | | 320 | 460 | 222 | 400 | 16 | 3lO | 610 | 550 | 505 | 4 | 48 | 16-φ34 | | 320 | 510 | 353 | 450 | 18 | 330 | 660 | 600 | 555 | 4 | 50 | 20-φ34 | | 360 | 540 | 405 | 500 | 20 | 350 | 730 | 660 | 610 | 4 | 52 | 20-φ41 | | 360 | 570 | 448 | 600 | 24 | 390 | 840 | 770 | 718 | 5 | 56 | 20-φ41 | | 380 | 660 | 795 | |