2、閥座密封面材料根據(jù)使用介質(zhì)不同可選用PTFE、尼龍、合金鋼、硬質(zhì)合金等,能較大范圍適應(yīng)不同的溫度、壓力和腐蝕性要求。
3、閥桿可根據(jù)用戶具體安裝情況加長,以便于地面操作。
4、相對于同規(guī)格的常規(guī)球閥具有體積小、重量輕、外形美觀、經(jīng)久耐用等優(yōu)點(diǎn)。
公稱壓力PN | 使用壓力 | 試驗(yàn)壓力 | ||
強(qiáng)度試驗(yàn)壓力 | 密封試驗(yàn)壓力 | 氣密封試驗(yàn)壓力 | ||
1.6 | 1.6 | 2.4 | 1.76 | 0.6 |
2.5 | 2.5 | 3.75 | 2.75 | 0.6 |
4.0 | 4.O | 6.0 | 4.4 | 0.6 |
6.4 | 6.4 | 9.6 | 7.04 | 0.6 |
10.0 | 10.0 | 15.0 | 11.0 | 0.6 |
PN | DN | L對焊 | L法蘭 | D | D1 | D2 | D3 | D4 | f | f1 | b | n-φd |
1.6 MPa | 50 | 216 | 178 | 51 | 100 | 125 | 160 | - | 3 | - | 16 | 4-18 |
65 | 241 | 191 | 64 | 120 | 145 | 180 | - | 3 | - | 18 | 4-18 | |
80 | 283 | 203 | 76 | 135 | 160 | 195 | - | 3 | - | 20 | 8-18 | |
100 | 305 | 229 | 102 | 155 | 180 | 215 | - | 3 | - | 20 | 8-18 | |
125 | 400 | 356 | 127 | 185 | 21O | 245 | - | 3 | - | 22 | 8-18 | |
150 | 457 | 394 | 152 | 210 | 240 | 280 | - | 3 | - | 24 | 8-23 | |
200 | 521 | 457 | 203 | 265 | 295 | 335 | - | 3 | - | 26 | 12-23 | |
250 | 559 | 533 | 254 | 320 | 355 | 405 | - | 3 | - | 30 | 12-25 | |
300 | 635 | 610 | 305 | 375 | 41O | 460 | - | 4 | - | 30 | 12-25 | |
350 | 762 | 686 | 337 | 435 | 470 | 520 | - | 4 | - | 34 | 16-25 | |
400 | 838 | 762 | 387 | 485 | 525 | 580 | - | 4 | - | 36 | 16-30 | |
450 | 914 | 864 | 438 | 545 | 585 | 640 | - | 4 | - | 40 | 20-30 | |
500 | 991 | 914 | 489 | 608 | 650 | 705 | - | 4 | - | 44 | 20-34 | |
2.5 Mpa | 50 | 216 | 216 | 51 | 100 | 125 | 160 | - | 3 | - | 20 | 4-18 |
65 | 241 | 241 | 64 | 120 | 145 | 180 | - | 3 | - | 22 | 8-18 | |
80 | 283 | 283 | 76 | 135 | 160 | 195 | - | 3 | - | 22 | 8-18 | |
100 | 305 | 305 | 102 | 160 | 190 | 230 | - | 3 | - | 24 | 8-23 | |
125 | 400 | 381 | 127 | 188 | 220 | 270 | - | 3 | - | 28 | 8-25 | |
150 | 457 | 403 | 152 | 218 | 250 | 300 | - | 3 | - | 30 | 8-25 | |
200 | 521 | 502 | 203 | 278 | 310 | 360 | - | 3 | - | 34 | 12-25 | |
250 | 559 | 568 | 254 | 332 | 370 | 425 | - | 3 | - | 36 | 12-30 | |
300 | 635 | 648 | 305 | 390 | 430 | 485 | - | 4 | - | 40 | 16-30 | |
350 | 762 | 762 | 337 | 448 | 490 | 550 | - | 4 | - | 44 | 16-34 | |
400 | 838 | 838 | 387 | 505 | 550 | 610 | - | 4 | - | 48 | 16-34 | |
450 | 914 | 914 | 438 | 555 | 600 | 660 | - | 4 | - | 50 | 20-34 | |
500 | 991 | 991 | 489 | 610 | 660 | 730 | - | 4 | - | 52 | 20-41 | |
4.0 Mpa | 50 | 216 | 216 | 51 | 100 | 125 | 160 | 88 | 3 | 4 | 20 | 4-18 |
65 | 241 | 241 | 64 | 120 | 145 | 180 | 110 | 3 | 4 | 22 | 8-18 | |
80 | 283 | 283 | 76 | 135 | 160 | 195 | 121 | 3 | 4 | 22 | 8-18 | |
100 | 305 | 305 | 102 | 160 | 190 | 230 | 150 | 3 | 4.5 | 24 | 8-23 | |
125 | 400 | 381 | 127 | 188 | 220 | 270 | 176 | 3 | 4.5 | 28 | 8-25 | |
150 | 457 | 403 | 152 | 218 | 250 | 300 | 204 | 3 | 4.5 | 30 | 8-25 | |
200 | 521 | 502 | 203 | 282 | 320 | 375 | 260 | 3 | 4.5 | 38 | 12-30 | |
250 | 559 | 568 | 254 | 345 | 385 | 445 | 313 | 3 | 4.5 | 42 | 12-34 | |
300 | 635 | 648 | 305 | 408 | 450 | 510 | 364 | 4 | 4.5 | 46 | 16-34 | |
350 | 762 | 762 | 337 | 465 | 510 | 570 | 422 | 4 | 5 | 52 | 16-34 | |
400 | 838 | 838 | 387 | 535 | 585 | 655 | 474 | 4 | 5 | 58 | 16-41 | |
450 | 914 | 914 | 438 | 560 | 610 | 680 | 524 | 4 | 5 | 60 | 20-41 | |
500 | 991 | 991 | 489 | 612 | 670 | 755 | 576 | 4 | 5 | 62 | 20-48 | |
6.4 Mpa | 50 | 230 | 216 | 51 | 105 | 135 | 175 | 88 | 3 | 4 | 26 | 4-23 |
65 | 290 | 241 | 64 | 130 | 160 | 200 | 110 | 3 | 4 | 28 | 8-23 | |
80 | 310 | 283 | 76 | 140 | 170 | 210 | 121 | 3 | 4 | 30 | 8-23 | |
100 | 350 | 305 | 102 | 168 | 200 | 250 | 150 | 3 | 4.5 | 32 | 8-25 | |
150 | 480 | 403 | 152 | 240 | 280 | 340 | 204 | 3 | 4.5 | 38 | 8-34 | |
200 | 600 | 502 | 203 | 300 | 345 | 405 | 260 | 3 | 4.5 | 44 | 12-34 | |
250 | 730 | 568 | 254 | 352 | 400 | 470 | 313 | 3 | 4.5 | 48 | 12-41 | |
300 | 850 | 648 | 305 | 412 | 460 | 530 | 364 | 4 | 4.5 | 54 | 16-41 | |
350 | 980 | 762 | 337 | 475 | 525 | 595 | 422 | 4 | 5 | 60 | 16-41 | |
400 | 1100 | 838 | 387 | 525 | 585 | 670 | 474 | 4 | 5 | 66 | 16-48 | |
500 | 1054 | 1194 | 489 | 640 | 705 | 800 | 576 | 4 | 5 | 70 | 20-54 | |
10 MPa | 50 | 292 | 292 | 51 | 112 | 145 | 195 | 88 | 3 | 4 | 28 | 4-25 |
65 | 330 | 330 | 64 | 138 | 170 | 220 | 110 | 3 | 4 | 32 | 8-25 | |
80 | 356 | 356 | 76 | 148 | 180 | 230 | 121 | 3 | 4 | 34 | 8-25 | |
100 | 432 | 432 | 102 | 172 | 210 | 265 | 150 | 3 | 4.5 | 38 | 8-30 | |
150 | 559 | 559 | 152 | 250 | 290 | 350 | 204 | 3 | 4.5 | 46 | 12-34 | |
200 | 660 | 660 | 203 | 312 | 360 | 430 | 260 | 3 | 4.5 | 54 | 12-41 | |
250 | 787 | 787 | 254 | 382 | 430 | 500 | 313 | 3 | 4.5 | 60 | 12-41 | |
300 | 838 | 838 | 305 | 442 | 500 | 585 | 364 | 4 | 4.5 | 70 | 16-48 | |
350 | 889 | 889 | 337 | 498 | 560 | 655 | 422 | 4 | 5 | 76 | 16-54 | |
400 | 991 | 991 | 387 | 558 | 620 | 715 | 474 | 4 | 5 | 80 | 16-54 |