Amerika standartidagi katta diametrli qaytarilmas valf
Boshqa mahsulotlar
I.Amerika standartidagi katta diametrli qaytaruvchi klapanlarning tavsifi:
① Mahsulotning loyihalash va ishlab chiqarish jarayoni Amerika milliy standarti ANSI B16.34 va Amerika neft instituti standarti API 16D talablariga mos keladi.
② Klapan diski aylanuvchi turda bo'lib, oqim yo'li to'g'ridan-to'g'ri, gorizontal va vertikal quvurlarda o'rnatilishi mumkin.
③ Rulman pinlari ichki o'rnatilgan tuzilmaga ega bo'lib, tashqi oqish kamchiligini kamaytiradi.
④ Klapan korpusi va qopqog'i boltlar bilan bog'langan, yuqori bosim holatida Class 600 Lb dan yuqori darajada, o'rta flanj ichki bosimli o'z-o'zidan muhrlanish tuzilmasiga ega bo'lib, mahsulotning hajmi va og'irligini engil, muhrlanishini ishonchli qiladi. Standart (olovga chidamli, statik elektrni yo'q qiluvchi)
II.Amerika standartidagi katta diametrli qaytaruvchi klapanlarning standarti STD (olovga chidamli, statik elektrni yo'q qiluvchi)
Turi | Loyihalash va ishlab chiqarish | Tuzilish uzunligi | Flanj o'lchamlari | Bosim-harorat | Sinov-nazorat |
Aylanuvchi turdagi qaytaruvchi klapan | API 16D | ASME B16.10 | ASME B16.5 | ASME B16.34 | API 598 |
III.Amerika standartidagi katta diametrli qaytaruvchi klapanlarning bosim sinovi
Nominal bosim | Quvvat sinovi | Suv muhrlanish sinovi | gaz muhrlanish sinovi | |||
MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
150 | 3.1 | 450 | 2.2 | 315 | 0.5-0.7 | 60-100 |
300 | 7.8 | 1125 | 5.6 | 815 | ||
600 | 15.3 | 2225 | 11.2 | 1630 | ||
900 | 23.1 | 3350 | 16.8 | 2440 | ||
1500 | 38.4 | 5575 | 28.1 | 4080 | ||
2500 | 64.6 | 9367 | 47.4 | 6873 | ||
IV.Amerika standartidagi katta diametrli qaytaruvchi klapanlarning asosiy qismlari materiallari
Korpus | ASTM A216 WCB | ASTM A351 CF8 | |||
Klapan diski va tayanch | WCB | CF8 | CF8M | Monel | |
Pin | F6a | F304 | F316 | Monel | F304 |
Klapan diski yuzasi | 13Cr 13Cr STL | 304 STL | 316 STL | Monel | 304 304 STL |
Klapan o'rindig'i yuzasi | 13Cr STL STL | 304 STL | 316 STL | Monel | 304 304 STL |
Korpus | ASTM A351 CF3 ASTM A351 CF8M ASTM A351 CF3M | ||||
Klapan diski va tayanch | |||||
Pin | F304L F316L F316L | ||||
Klapan diski yuzasi | 304L 304L STL | 316 316 STL | 316L 316L STL | ||
Klapan o'rindig'i yuzasi | 304L STL STL | 316 STL STL | 316L STL STL | ||
Diametr | Class150(PN20) | Class300(PN50) | |||||||||
DN | NPS | L | d | H | L | d | H | ||||
RF | RTJ | BW | RF | RTJ | BW | ||||||
50 | 2 | 203 | 216 | 203 | 51 | 132 | 267 | 283 | 267 | 51 | 144 |
65 | 21/2 | 216 | 229 | 216 | 64 | 147 | 292 | 308 | 292 | 64 | 169 |
80 | 3 | 241 | 254 | 241 | 76 | 176 | 318 | 333 | 318 | 76 | 210 |
100 | 4 | 292 | 305 | 292 | 102 | 198 | 356 | 371 | 356 | 102 | 260 |
125 | 5 | 330 | 343 | 330 | 127 | 255 | 400 | 416 | 400 | 127 | 295 |
150 | 6 | 356 | 368 | 356 | 152 | 320 | 445 | 460 | 445 | 152 | 326 |
200 | 8 | 495 | 508 | 495 | 203 | 380 | 533 | 549 | 533 | 203 | 380 |
250 | 10 | 622 | 635 | 622 | 254 | 440 | 622 | 638 | 622 | 254 | 440 |
300 | 12 | 699 | 711 | 699 | 305 | 480 | 711 | 727 | 711 | 305 | 520 |
350 | 14 | 787 | 800 | 787 | 337 | 530 | 838 | 854 | 838 | 337 | 540 |
400 | 16 | 864 | 876 | 864 | 387 | 580 | 864 | 879 | 864 | 387 | 588 |
450 | 18 | 978 | 991 | 978 | 438 | 618 | 978 | 994 | 978 | 438 | 670 |
500 | 20 | 978 | 991 | 978 | 489 | 657 | 1016 | 1035 | 1016 | 489 | 720 |
Class600(PN110) | Class900(PN150) | ||||||||||
50 | 2 | 292 | 295 | 292 | 51 | 170 | 368 | 371 | 368 | 51 | 200 |
65 | 21/2 | 330 | 333 | 330 | 64 | 178 | 419 | 422 | 419 | 64 | 220 |
80 | 3 | 356 | 359 | 356 | 76 | 246 | 381 | 384 | 381 | 76 | 280 |
100 | 4 | 432 | 435 | 432 | 102 | 290 | 457 | 460 | 457 | 102 | 320 |
125 | 5 | 508 | 511 | 508 | 127 | 320 | 559 | 562 | 559 | 127 | 360 |
150 | 6 | 559 | 562 | 559 | 152 | 360 | 610 | 613 | 610 | 152 | 400 |
200 | 8 | 660 | 664 | 660 | 203 | 430 | 737 | 740 | 737 | 203 | 480 |
250 | 10 | 787 | 791 | 787 | 254 | 502 | 838 | 841 | 838 | 254 | 560 |
300 | 12 | 838 | 841 | 838 | 305 | 554 | 965 | 968 | 965 | 305 | 632 |
Class1500(PN260) | Class2500(PN420) | ||||||||||
50 | 2 | 368 | 371 | 368 | 51 | 210 | 451 | 454 | 451 | 42 | 230 |
65 | 21/2 | 419 | 422 | 419 | 64 | 240 | 508 | 514 | 508 | 52 | 260 |
80 | 3 | 470 | 473 | 470 | 76 | 303 | 578 | 584 | 578 | 62 | 330 |
100 | 4 | 546 | 549 | 546 | 102 | 340 | 673 | 683 | 673 | 87 | 370 |
125 | 5 | 673 | 676 | 673 | 127 | 380 | 794 | 807 | 794 | 96 | 410 |
150 | 6 | 705 | 711 | 705 | 144 | 430 | 914 | 927 | 914 | 131 | 460 |
200 | 8 | 832 | 841 | 832 | 192 | 500 | 1022 | 1038 | 1022 | 179 | 530 |
250 | 10 | 991 | 1000 | 991 | 239 | 590 | 1270 | 1292 | 1270 | 223 | 620 |
| Sanoat toifasi: | Machinery & Equipment/Valves/Check Valves |
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