Wenzhou Starry Valve Co., Ltd. Xitoyda metall o'rnatilgan balli klapanlarning eng ishonchli ishlab chiqaruvchilari va yetkazib beruvchilaridan biri hisoblanadi. Biz past narxga ega yuqori sifatli moslashtirilgan klapanlarni taqdim etishga sodiqmiz. Agar siz katta hajmli bardoshli metall o'rnatilgan balli klapanlarni sotib olmoqchi bo'lsangiz, fabrikamizdan kotirovkalarni olishga xush kelibsiz.
| Hajmi diapazoni | DN50 ~ DN1200 (NPS 2" ~ 48") |
| Bosim darajasi | ANSI Class150, Class300, Class600, Class900, Class1500, Class2500; PN16 ~ PN160 |
| Harorat diapazoni | -196 daraja ~ 550 daraja; ultra-past harorat, normal harorat va yuqori haroratli qattiq tozalash ish sharoitlariga mos keladi |
| Ulanish turi | Ikki gardishli RF/RTJ, payvand choki, moslashtirilgan maxsus ulanish ixtiyoriy |
| Tana materiali | A216 WCB karbonli po'lat, A105 zarb qilingan po'lat, CF8/CF8M zanglamaydigan po'lat, F11/F22 qotishma po'lat, LCB past haroratli po'lat- |
| Muhrlash turi | To'liq metall qattiq muhr, Stellite 6/Stellite 12 qattiq yuzli sızdırmazlık juftligi, ikki yo'nalishli metalldan{2}}metallga mahkam yopish (API 598 Class V) |
| Operatsiya turi | Qurt tishli, elektr, pnevmatik, gidravlik ishga tushirish ixtiyoriy |
| Amalga oshirish standarti | API 6D, API 607 Fire-Xavfsiz, ASME B16.34, ASME B16.10, API 598, NACE MR0175, GB/T 12237 |
| Tegishli ommaviy axborot vositalari | Yuqori{0}}haroratli haddan tashqari qizdirilgan bug ', termal moy, yuqori-bosimli tutun gazi, gaz-tarkibida gaz, atala muhiti, xom neft, korroziv kimyoviy suyuqlik va kriyojenik suyultirilgan gaz. Neft-kimyoning ogʻir-texnologik bloklarida, issiqlik elektr stansiyasining magistral bugʻ quvurlarida, metallurgiyadagi yuqori haroratli gaz tizimlarida, koʻmir kimyoviy eritmasi quvurlarida, dengiz platformasi-yuqori bosimli quvurlar va jiddiy xizmat koʻrsatish sanoat loyihalarida keng qoʻllaniladi. |
Ishlash printsipi va qo'llash bo'yicha eslatmalar
Metall o'rnatilgan sharli klapanlar quvur liniyasining ochilishi va yopilishini amalga oshirish uchun sobit sharli yadroni qurt tishli yoki elektr / pnevmatik aktuator orqali 90 daraja aylantirish uchun boshqaradi. Koptok yadrosi trunnionlar bilan o'rnatiladi va prujinali{2}}barang metall o'rindiq shar yuzasiga mahkam o'rnashib, qattiq muhrlangan to'siq hosil qiladi. O'rtacha bosim ostida, muhrlangan juftlik ikki tomonlama qattiq o'chirishga erishish uchun bo'shliqni avtomatik ravishda qoplaydi. Toʻliq ochilganda, toʻgʻridan-toʻgʻri{5}}oʻtuvchi kanal oʻrtacha tozalashni kamaytiradi. Metall oʻrnatilgan sharli klapanlar yuqori{7}}harorat, yuqori-bosim va zarrachalar-oʻz ichiga olgan tozalash ish sharoitlari uchun maxsus moʻljallangan; uni suzuvchi yumshoq-muhrli sharli klapanlar bilan almashtirib bo'lmaydi. Abrasiv vositalar uchun stellitning qattiq qoplamasi majburiydir; buyurtma berishdan oldin haqiqiy muhit harorati va nopoklik tarkibiga muvofiq material darajasini, bosim sinfini va ishga tushirish rejimini tasdiqlang.
Sinov bosimi
|
PN |
Maksimal harorat Ish bosimi |
Casetest bosimi |
Gaz muhrlari sinov bosimi |
Yuqori-bosimli muhrlanish sinov bosimi |
|
1.6 |
1.6 |
2.4 |
0.6 |
1.76 |
|
2.5 |
2.5 |
3.8 |
0.6 |
2.75 |
|
4.0 |
4.0 |
6.0 |
0.6 |
4.4 |
|
6.4 |
6.4 |
9.6 |
0.6 |
7.1 |
|
10.0 |
10.0 |
15.0 |
0.6 |
11.0 |
|
150-sinf |
2.0 |
3.0 |
0.6 |
2.2 |
|
300-sinf |
5.0 |
7.5 |
0.6 |
5.5 |
|
600-sinf |
10.0 |
15.0 |
0.6 |
11.0 |
Foydalanish shartlari
|
Qobiq materiali |
Ish harorati |
Amaldagi ommaviy axborot vositalari |
|
Karbonli po'lat |
425 darajadan kamroq yoki unga teng |
Suv, bug ', yog' va boshqalar. |
|
Chrome P-turi nikel-titan po'lat |
200 darajadan kam yoki unga teng |
Nitrat kislota |
|
Chrome-nikel poʻlat R-Mo Ti |
200 darajadan kam yoki unga teng |
Sirka kislotasi |
|
Xrom molibden vanadiyli po'lat |
550 darajadan kamroq yoki unga teng |
Bug ', metallurgiya, energetika, eic. |
Asosiy komponentlar Materiallar
|
Tana, kapot |
GB |
WCB |
ZGOCr18Ni9 |
ZGOCr17Ni12Mo2 |
ZG15Cr1Mo1V |
|
ASTM |
A216WCB |
CF8 |
CF8M |
WC9 |
|
|
To'p |
GB |
2Cr13 / Maxsus sirtni tozalash |
1Cr18Ni9Ti / Maxsus sirtni tozalash |
0Cr18Ni12Mo2Ti / Maxsus sirtni tozalash |
25Cr2Mo1V / Maxsus sirtni tozalash |
|
ASTM |
420+HF |
304+HF |
316+HF |
F22a+HF |
|
|
Poyasi, sobit o'qi |
GB |
2Cr13 |
0Cr18Ni9 |
0Cr17Ni12Mo2 |
25Cr2Mo1V |
|
ASTM |
420 |
304 |
316 |
F22a |
|
|
O'rindiq |
GB |
2Cr13 |
0Cr18Ni9 |
OCr17Ni12Mo2 |
25Cr2Mo1V |
|
ASTM |
420 |
304 |
316 |
F22a |
|
|
Qadoqlash |
GB |
Moslashuvchan grafit |
Moslashuvchan grafit |
Moslashuvchan grafit |
Moslashuvchan grafit |
|
ASTM |
Moslashuvchan grafit |
Moslashuvchan grafit |
Moslashuvchan grafit |
Moslashuvchan grafit |
|
|
Bolt |
GB |
35 |
0Cr18Ni9 |
0Cr18Ni9 |
15Cr1Mo1V |
|
ASTM |
A193 B7 |
A320-B8 |
A320-B8 |
A193B16 |
|
|
Yong'oq |
GB |
45 |
0Cr18Ni9 |
OCr18Ni9 |
20CrMo |
|
ASTM |
A194 2H |
A194-8 |
A194-8 |
A194-4 |

Metall o'tirgan sharli klapanlar o'lchami (JB/T79.1)
|
DN |
L |
D |
K |
d |
Y |
b |
Z-d0 |
Vs |
Hs |
Hw |
Hd |
|
PN16 |
|||||||||||
|
150 |
394 |
280 |
240 |
210 |
- |
22 |
8-23 |
1000 |
305 |
470 |
540 |
|
200 |
457 |
335 |
295 |
265 |
- |
24 |
12-23 |
- |
- |
520 |
580 |
|
250 |
533 |
405 |
355 |
320 |
- |
26 |
12-25 |
- |
- |
610 |
640 |
|
300 |
610 |
460 |
410 |
375 |
- |
28 |
12-25 |
- |
- |
650 |
690 |
|
350 |
686 |
520 |
470 |
435 |
- |
32 |
16-25 |
- |
- |
740 |
785 |
|
400 |
762 |
580 |
525 |
485 |
- |
36 |
16-30 |
- |
- |
795 |
830 |
|
450 |
864 |
640 |
585 |
545 |
- |
38 |
20-30 |
- |
- |
860 |
910 |
|
500 |
914 |
705 |
650 |
608 |
- |
42 |
20-34 |
- |
- |
945 |
990 |
|
600 |
1067 |
840 |
770 |
718 |
- |
46 |
20-41 |
- |
- |
1040 |
1090 |
|
700 |
1245 |
910 |
840 |
788 |
- |
48 |
24-41 |
- |
- |
1150 |
1210 |
|
800 |
1372 |
1020 |
950 |
898 |
- |
50 |
24-41 |
- |
- |
1280 |
1340 |
|
900 |
1524 |
1120 |
1050 |
998 |
- |
52 |
28-41 |
- |
- |
1430 |
1510 |
|
1000 |
1753 |
1255 |
1170 |
1110 |
- |
54 |
28-48 |
- |
- |
1580 |
1640 |
|
1200 |
2032 |
1485 |
1390 |
1325 |
- |
56 |
32-54 |
- |
- |
1810 |
1910 |
|
1400 |
2300 |
1685 |
1590 |
1525 |
- |
60 |
36-54 |
- |
- |
2010 |
2115 |
|
PN25 |
|||||||||||
|
150 |
403 |
300 |
250 |
218 |
- |
30 |
8-25 |
1000 |
305 |
470 |
555 |
|
200 |
502 |
360 |
310 |
278 |
- |
34 |
12-25 |
- |
- |
540 |
595 |
|
250 |
568 |
425 |
370 |
332 |
- |
36 |
12-30 |
- |
- |
630 |
655 |
|
300 |
648 |
485 |
430 |
390 |
- |
40 |
16-30 |
- |
- |
650 |
705 |
|
350 |
762 |
550 |
490 |
448 |
- |
44 |
16-34 |
- |
- |
740 |
795 |
|
400 |
838 |
610 |
550 |
505 |
- |
48 |
16-34 |
- |
- |
795 |
830 |
|
450 |
914 |
660 |
600 |
555 |
- |
50 |
20-34 |
- |
- |
860 |
910 |
|
500 |
991 |
730 |
660 |
610 |
- |
52 |
20-41 |
- |
- |
945 |
990 |
|
600 |
1143 |
840 |
770 |
718 |
- |
56 |
20-41 |
- |
- |
1040 |
1090 |
|
700 |
1346 |
955 |
875 |
815 |
- |
60 |
24-48 |
- |
- |
1150 |
1210 |
|
800 |
1524 |
1070 |
990 |
930 |
- |
64 |
24-48 |
- |
- |
1305 |
1340 |
|
900 |
1727 |
1180 |
1090 |
1025 |
- |
66 |
28-54 |
- |
- |
1505 |
1600 |
|
1000 |
1880 |
1305 |
1210 |
1140 |
- |
68 |
28-58 |
- |
- |
1615 |
1705 |
|
1200 |
2184 |
1525 |
1420 |
1350 |
- |
72 |
32-58 |
- |
- |
1925 |
2035 |
|
1400 |
2300 |
1750 |
1640 |
1560 |
- |
78 |
36-65 |
- |
- |
2110 |
2185 |

|
DN |
L |
D |
K |
d |
Y |
b |
Z-d0 |
Vs |
Hs |
Hw |
Hd |
|
PN40 |
|||||||||||
|
150 |
403 |
300 |
250 |
218 |
204 |
30 |
8-25 |
1000 |
360 |
485 |
590 |
|
200 |
502 |
375 |
320 |
282 |
260 |
38 |
12-30 |
- |
- |
580 |
640 |
|
250 |
568 |
445 |
385 |
345 |
313 |
42 |
12-34 |
- |
- |
665 |
680 |
|
300 |
648 |
510 |
450 |
408 |
364 |
46 |
16-34 |
- |
- |
760 |
810 |
|
350 |
762 |
570 |
510 |
465 |
422 |
52 |
16-34 |
- |
- |
820 |
890 |
|
400 |
838 |
655 |
585 |
535 |
474 |
58 |
16-41 |
- |
- |
860 |
940 |
|
450 |
914 |
680 |
610 |
560 |
524 |
60 |
20-41 |
- |
- |
930 |
1010 |
|
500 |
991 |
755 |
670 |
612 |
576 |
62 |
20-48 |
- |
- |
980 |
1130 |
|
600 |
1143 |
890 |
795 |
730 |
678 |
62 |
20-54 |
- |
- |
1040 |
1090 |
|
700 |
1346 |
995 |
900 |
835 |
768 |
68 |
24-54 |
- |
- |
1150 |
1210 |
|
800 |
1524 |
1135 |
1030 |
960 |
876 |
76 |
24-58 |
- |
- |
1305 |
1340 |
|
900 |
1727 |
1270 |
1168 |
1022 |
- |
105 |
32-54 |
- |
- |
1505 |
1600 |
|
1000 |
1880 |
1238 |
1156 |
1086 |
- |
114 |
32-44 |
- |
- |
1615 |
1705 |
|
1200 |
2184 |
1467 |
1372 |
1302 |
- |
133 |
32-51 |
- |
- |
1925 |
2035 |
|
1400 |
|
1708 |
1600 |
1518 |
- |
154 |
28-60 |
- |
- |
2110 |
2185 |
|
PN64 |
|||||||||||
|
150 |
495 |
340 |
280 |
240 |
204 |
38 |
8-34 |
1200 |
360 |
485 |
590 |
|
200 |
597 |
405 |
345 |
300 |
260 |
44 |
12-34 |
- |
- |
580 |
650 |
|
250 |
673 |
470 |
400 |
352 |
313 |
48 |
12-41 |
- |
- |
665 |
720 |
|
300 |
762 |
530 |
460 |
412 |
364 |
54 |
16-41 |
- |
- |
760 |
840 |
|
350 |
826 |
595 |
525 |
475 |
422 |
60 |
16-41 |
- |
- |
820 |
930 |
|
400 |
902 |
670 |
585 |
525 |
474 |
66 |
16-48 |
- |
- |
870 |
990 |
|
500 |
1054 |
800 |
705 |
640 |
576 |
70 |
20-54 |
- |
- |
995 |
1150 |
|
600 |
1232 |
930 |
820 |
750 |
678 |
76 |
20-58 |
- |
- |
1100 |
1180 |
|
700 |
1397 |
1035 |
940 |
800 |
- |
95 |
28-51 |
- |
- |
1180 |
1230 |
|
800 |
1651 |
1149 |
1054 |
914 |
- |
108 |
28-54 |
- |
- |
1345 |
1385 |
|
900 |
1880 |
1270 |
1168 |
1022 |
- |
114 |
32-54 |
- |
- |
1550 |
1655 |
|
1000 |
1981 |
1270 |
1175 |
1092 |
- |
133 |
32-51 |
- |
- |
1675 |
1745 |
|
1200 |
2311 |
1511 |
1403 |
1308 |
- |
152 |
28-60 |
- |
- |
1945 |
2075 |

|
DN |
L |
D |
K |
d |
Y |
b |
Z-d0 |
Vs |
Hs |
Hw |
Hd |
|
150-sinf |
|||||||||||
|
2" |
178 |
150 |
120.7 |
92 |
- |
14.3 |
4-19 |
260 |
155 |
- |
- |
|
2¹/2" |
190 |
180 |
139.7 |
105 |
- |
15.9 |
4-19 |
350 |
185 |
- |
- |
|
3" |
203 |
190 |
152.4 |
127 |
- |
17.5 |
4-19 |
500 |
205 |
- |
- |
|
4" |
229 |
230 |
190.5 |
157 |
- |
22.3 |
8-19 |
650 |
255 |
390 |
500 |
|
5" |
356 |
255 |
215.9 |
186 |
- |
22.3 |
8-22.5 |
800 |
285 |
410 |
520 |
|
6" |
394 |
280 |
241.3 |
216 |
- |
23.9 |
8-22.5 |
1000 |
305 |
470 |
540 |
|
8" |
457 |
345 |
298.5 |
270 |
- |
27.0 |
8-22.5 |
- |
- |
520 |
580 |
|
10" |
533 |
405 |
362 |
324 |
- |
28.6 |
12-25.5 |
- |
- |
610 |
640 |
|
12" |
610 |
485 |
431.8 |
381 |
- |
30.2 |
12-25.5 |
- |
- |
650 |
690 |
|
14" |
686 |
535 |
476.3 |
413 |
- |
33.4 |
12-28.5 |
- |
- |
740 |
785 |
|
16" |
762 |
595 |
539.8 |
470 |
- |
35.0 |
16-28.5 |
- |
- |
795 |
830 |
|
18" |
864 |
635 |
577.9 |
533 |
- |
38.1 |
16-32 |
- |
- |
860 |
910 |
|
20" |
914 |
700 |
635.0 |
584 |
- |
41.3 |
2032 |
- |
- |
945 |
990 |
|
24" |
1067 |
815 |
749.3 |
692 |
- |
46.1 |
20-35 |
- |
- |
1040 |
1090 |
|
28" |
1245 |
927 |
864 |
800 |
- |
71 |
28-35 |
- |
- |
1150 |
1210 |
|
32" |
1372 |
1060 |
978 |
914 |
- |
81 |
28-41 |
- |
- |
1280 |
1340 |
|
300-sinf |
|||||||||||
|
2" |
216 |
165 |
127 |
92 |
- |
20.7 |
8-19 |
260 |
155 |
- |
- |
|
2¹/2" |
241 |
190 |
149.2 |
105 |
- |
23.9 |
8-22.5 |
350 |
185 |
- |
- |
|
3" |
283 |
210 |
168.3 |
127 |
- |
27.0 |
8-22.5 |
500 |
205 |
- |
- |
|
4" |
305 |
255 |
200 |
157 |
- |
30.2 |
8-22.5 |
800 |
270 |
410 |
530 |
|
5" |
381 |
280 |
235 |
186 |
- |
33.4 |
8-22.5 |
1000 |
305 |
470 |
560 |
|
6" |
403 |
320 |
269.9 |
216 |
- |
35.0 |
12-22.5 |
1200 |
340 |
485 |
590 |
|
8" |
502 |
380 |
330.2 |
270 |
- |
39.7 |
12-25.5 |
- |
- |
5809 |
640 |
|
10" |
568 |
445 |
387.4 |
324 |
- |
46.1 |
16-28.5 |
- |
- |
665 |
680 |
|
12" |
648 |
520 |
450.8 |
381 |
- |
49.3 |
16-32 |
- |
- |
760 |
810 |
|
14" |
762 |
585 |
514.4 |
413 |
- |
52.4 |
20-32 |
- |
- |
820 |
890 |
|
16" |
838 |
650 |
571.5 |
470 |
- |
55.6 |
20-35 |
- |
- |
860 |
940 |
|
18" |
914 |
710 |
628.5 |
533 |
- |
58.8 |
24-35 |
- |
- |
930 |
1010 |
|
20" |
991 |
775 |
685.8 |
584 |
- |
62.0 |
24-35 |
- |
- |
980 |
1130 |
|
600-sinf |
|||||||||||
|
2" |
292 |
165 |
127 |
108 |
- |
25.4 |
8-19 |
350 |
175 |
- |
- |
|
21/2" |
330 |
190 |
149.2 |
127 |
- |
28.6 |
8-22.5 |
500 |
200 |
- |
- |
|
3" |
356 |
210 |
168.3 |
146 |
- |
31.8 |
8-22.5 |
650 |
235 |
- |
- |
|
4" |
432 |
275 |
215.9 |
175 |
- |
38.1 |
8-25.5 |
1000 |
275 |
395 |
550 |
|
5" |
508 |
330 |
266.7 |
210 |
- |
44.5 |
8-28.5 |
1200 |
325 |
430 |
580 |
|
6" |
559 |
355 |
292.1 |
241 |
- |
47.7 |
12-28.5 |
- |
- |
495 |
620 |
|
8" |
660 |
420 |
349.2 |
302 |
- |
55.6 |
12-32 |
- |
- |
595 |
680 |
|
10" |
787 |
510 |
431.8 |
356 |
- |
63.5 |
16-35 |
- |
- |
680 |
740 |
|
12" |
838 |
560 |
489 |
413 |
- |
66.7 |
20-35 |
- |
- |
790 |
850 |


Ruxsat etilgan sharli vana 150Lb
Tafsilotlar
Ruxsat etilgan sharli klapan sinfi 150Lb (Trunnion-o'rnatilgan sharli valf) Class150 statsionar sharli klapan trunnion qo'llab-quvvatlanadigan shar tuzilishini qabul qiladi. Sfera yuqori va pastki trunnion vallar bilan o'rnatiladi; vana o'rindiqlari muhrlanishni amalga oshirish uchun suzadi. Ikki-boʻlak yoki uch-boʻlingan murvatli korpusda mavjud. ASME B16.5 bo'yicha gardishli ulanish. Hajmi diapazoni: DN50-DN600 (2"-24"), Bosim sinfi: Class150. Korpus materiali variantlari: WCB karbonli po'lat, CF8 (304), CF8M (316), A105 zarb qilingan po'lat. Oʻrindiqlar opsiyalari: PTFE / R-PTFE yumshoq-oʻrindiq, metalldan-to-metall qattiq-oʻrindiq. Ishga tushirish: qo'lda qurt{29}}tishli, pnevmatik, elektr, gidravlik. Tabiiy gaz, neft va gaz uzatish, neft-kimyo, ko‘mir{30}}kimyo, energetika va atrof-muhitni muhofaza qilish sohalarida quvurlarni uzish xizmati uchun keng qo‘llaniladi.
Noyob xususiyat va foydalanish
1.Trunnion-qo‘llab-quvvatlanadigan qo‘zg‘almas shar tuzilishi. O'rtacha yuk yuqori va pastki trunnion vallar tomonidan ko'tariladi, bu esa hatto katta{3}}o'lchamli valflar uchun ham past ish momentiga olib keladi.
2.Suzuvchi valf o'rindig'i, prujinadan oldingi yuk-, o'zgaruvchan bosim ostida ishonchli muhrlanish.
3.Mavjud ikki{1}}piston-ta'sirli o'rindiq dizayni, ikki yo'nalishli muhrlanishni amalga oshirishi mumkin.
4. Tana bo'shlig'i bosimini kamaytirish funksiyasi bilan jihozlangan, xavfsiz ishlash uchun -chiqaruvchi{2}}o'tkazgich, anti-statik qurilma.
5. Katta{1}}oʻlchamli, uzoq masofalarga{2}}suyuqlik uzatish quvurlari uchun mos.
6.Umumiy korroziyaga qarshi-yumshoq oʻrindiq; metall-qattiq{4}}oʻrindiq yuqori-harorat, zarrachalar-boʻlgan va abraziv ish sharoitlari uchun ixtiyoriy.
Standartlarni amalga oshirish
Dizayn va ishlab chiqarish: API 6D gardish standarti: ASME B16.5 Yuz-to-Yuz oʻlchami: ASME B16.10 Bosim-Temperatura darajasi: ASME B16.34 Bosim sinovi: API 598 Ixtiyoriy talab: API 607 CE, MR11 sulfidli korroziyaga qarshi-.
Asosiy qismlar materiallari
|
Yo'q |
Qism nomi |
Karbonli po'lat |
18Cr-9Ni-2Mo |
Past haroratli karbonli po'lat |
|
1 |
Tana |
A216-WCB |
A351-CF8M |
A352-LCB |
|
2 |
Bonnct |
A216-WCB |
A351 CF8M |
A352 LCB |
|
3 |
To'p |
A182-F304 |
A182-F316 |
A182-F304 |
|
4 |
Poyasi |
A276-304 |
A276-316 |
A276-304 |
|
5 |
O'rindiq |
A105+ENP |
A182-F316 |
A350-LF2+ENP |
|
6 |
O'rindiq muhri |
Shisha bilan to'ldirilgan PTFE |
|
|
|
7 |
O'rindiq bahori |
A313-304 |
Inconel X-750 |
A313-304 |
|
8 |
O'rindiq O{0}}Ring |
NBR |
Viton |
Viton |
|
9 |
O-Ring |
NBR |
Viton |
Viton |
|
10 |
Kaputning qistirmalari |
Grafit+304 daraja |
Grafit+316² |
Grafit+304² |
|
11 |
Bonnet O-Ring |
NBR |
Viton |
Viton |
|
12 |
Antistatik bahor |
A313-304 |
A313-316 |
A313-304 |
|
13 |
Topraklama piston |
A216-WCB |
A₁82-F316 |
A182-F304 |
|
14 |
Valf qopqog'i murvati |
A193-B7 |
A193-B8 |
A320-L7 |
|
15 |
Valf qopqog'i gayka |
A194-2H |
A194-8 |
A194-7 |
|
16 |
Trunn ioni |
A276-304 |
A276-316 |
A276-304 |
|
17 |
Murabbiy podshipnik |
304+PTFE |
316+PTFE |
304+PTFE |
|
18 |
Qadoqlash press plitasi |
A216-WCB |
A351-CF8M |
A352-LCB |
|
19 |
Qadoqlash murvati |
A193-B7 |
A193-B8 |
A193-B7 |
|
20 |
Joylashuv varag'i |
Karbonli po'lat |
Karbonli po'lat + Zn |
Karbonli po'lat |
|
21 |
Tutqich |
Karbonli po'lat |
|
|
Amaldagi standartlar
- Sharli klapanlar, API608/API6D
- Sharli klapanlar, ISO 10434/ISO14313
- Yong'inga chidamli, API607
- Antistatik, API608
- Vanalar, ASME B16.34
- Yuzma-yuz, ASMEB16.10
- Oxirgi troyniklar, ASMEB16.5
- Payvandlash uchlari, ASMB16.25
- Tekshirish va sinov; API598/API6D
Dizayn tavsifi
- To'liq port dizayni
- Bb, murvatli kapot, ajratilgan korpus
- Suzuvchi to'p turi
- Ishonchli novdani-changlang
- Yong'inga chidamli qurilish
- Antistatik qurilma
- To'xtatuvchi qurilma
- ISO5211 o'rnatish paneli
- Flanesli yoki dumbali payvandlash uchlari
- bg operatorida mavjud
Asosiy tashqi va ulanish o'lchami
|
NPS |
DN |
L(RF) |
L1(BW) |
H |
(d) |
W |
||||
|
ichida |
mm |
ichida |
mm |
ichida |
mm |
ichida |
mm |
mm |
ichida |
mm |
|
150-sinf |
||||||||||
|
2 |
50 |
7.00 |
178 |
8.50 |
216 |
7.00 |
177 |
49 |
14 |
350 |
|
2¹/2 |
65 |
7.50 |
190 |
9.50 |
241 |
7.50 |
190 |
62 |
16 |
400 |
|
3 |
80 |
8.00 |
203 |
11.12 |
283 |
8.25 |
210 |
74 |
20 |
500 |
|
4 |
100 |
9.00 |
229 |
12.00 |
305 |
9.25 |
235 |
100 |
20 |
500 |
|
6 |
150 |
15.50 |
394 |
18.00 |
457 |
20.88 |
530 |
150 |
24 |
600 |
|
8 |
200 |
18.00 |
457 |
20.50 |
521 |
24.62 |
625 |
201 |
24 |
600 |
|
10 |
250 |
21.00 |
533 |
22.00 |
559 |
25.62 |
650 |
252 |
24 |
600 |
|
12 |
300 |
24.00 |
610 |
25.00 |
635 |
30.75 |
780 |
303 |
24 |
600 |
|
14 |
350 |
27.00 |
686 |
30.00 |
762 |
31.00 |
790 |
334 |
32 |
800 |
|
16 |
400 |
30.00 |
762 |
33.00 |
838 |
36.25 |
920 |
385 |
32 |
800 |
|
18 |
450 |
34.00 |
864 |
36.00 |
914 |
38.25 |
970 |
436 |
32 |
800 |
|
20 |
500 |
36.00 |
914 |
39.00 |
991 |
43.38 |
1100 |
487 |
32 |
800 |
|
24 |
600 |
42.00 |
1067 |
45.00 |
1143 |
45.25 |
1150 |
589 |
32 |
800 |
|
26 |
650 |
45.00 |
1143 |
49.00 |
1245 |
50.75 |
1290 |
633 |
32 |
800 |
|
28 |
700 |
49.00 |
1245 |
53.00 |
1346 |
55.12 |
1400 |
684 |
32 |
800 |
|
30 |
750 |
51.00 |
1295 |
55.00 |
1397 |
64.12 |
1630 |
735 |
32 |
800 |
|
32 |
800 |
54.00 |
1372 |
60.00 |
1524 |
70.88 |
1840 |
779 |
32 |
800 |
|
36 |
900 |
60.00 |
1524 |
68.00 |
1727 |
80.75 |
2050 |
874 |
32 |
800 |

Asosiy qismlar materiallari
|
Yo'q. |
Qism nomi |
Karbonli po'lat |
18Cr-9Ni-2Mo |
Past haroratli karbonli po'lat |
|
1 |
Tana |
A216-WCB |
A351-CF8M |
A352-LCB |
|
2 |
Bonnct |
A216-WCB |
A351 CF8M |
A352 LCB |
|
3 |
To'p |
A182-F304 |
A182-F316 |
A182-F304 |
|
4 |
Poyasi |
A276-304 |
A276-316 |
A276-304 |
|
5 |
O'rindiq |
A105+ENP |
A182-F316 |
A350-LF2+ENP |
|
6 |
O'rindiq muhri |
Shisha bilan to'ldirilgan PTFE |
|
|
|
7 |
O'rindiq bahori |
A313-304 |
Inconel X-750 |
A313-304 |
|
8 |
O'rindiq O{0}}Ring |
NBR |
Viton |
Viton |
|
9 |
O-Ring |
NBR |
Viton |
Viton |
|
10 |
Kaputning qistirmalari |
Grafit+304 daraja |
Grafit+316² |
Grafit+304² |
|
11 |
Bonnet O-Ring |
NBR |
Viton |
Viton |
|
12 |
Antistatik bahor |
A313-304 |
A313-316 |
A313-304 |
|
13 |
Topraklama piston |
A216-WCB |
A₁82-F316 |
A182-F304 |
|
14 |
Valf qopqog'i murvati |
A193-B7 |
A193-B8 |
A320-L7 |
|
15 |
Valf qopqog'i gayka |
A194-2H |
A194-8 |
A194-7 |
|
16 |
Trunn ioni |
A276-304 |
A276-316 |
A276-304 |
|
17 |
Murabbiy podshipnik |
304+PTFE |
316+PTFE |
304+PTFE |
|
18 |
Qadoqlash press plitasi |
A216-WCB |
A351-CF8M |
A352-LCB |
|
19 |
Qadoqlash murvati |
A193-B7 |
A193-B8 |
A193-B7 |
|
20 |
Joylashuv varag'i |
Karbonli po'lat |
Karbonli po'lat + Zn |
Karbonli po'lat |
|
21 |
Tutqich |
Karbonli po'lat |
|
|
Amaldagi standartlar
- Sharli klapanlar, API608/API6D
- Sharli klapanlar, ISO 10434/ISO14313
- Yong'inga chidamli, API607
- Antistatik, API608
- Vanalar, ASME B16.34
- Yuzma-yuz, ASMEB16.10
- Oxirgi troyniklar, ASMEB16.5
- Payvandlash uchlari, ASMB16.25
- Tekshirish va sinov; API598/API6D
Dizayn tavsifi
- To'liq port dizayni
- Bb, murvatli kapot, ajratilgan korpus
- Suzuvchi to'p turi
- Ishonchli novdani-changlang
- Yong'inga chidamli qurilish
- Antistatik qurilma
- To'xtatuvchi qurilma
- ISO5211 o'rnatish paneli
- Flanesli yoki dumbali payvandlash uchlari
- bg operatorida mavjud
Asosiy tashqi va ulanish o'lchami
|
NPS |
DN |
L(RF) |
L1(BW) |
H |
(d) |
W |
||||
|
ichida |
mm |
ichida |
mm |
ichida |
mm |
ichida |
mm |
mm |
ichida |
mm |
|
300-sinf |
||||||||||
|
2 |
50 |
8.50 |
216 |
8.50 |
216 |
7.00 |
177 |
49 |
14 |
350 |
|
21/2 |
65 |
9.50 |
241 |
9.50 |
241 |
7.50 |
190 |
62 |
16 |
400 |
|
3 |
80 |
11.12 |
283 |
11.12 |
283 |
8.25 |
210 |
74 |
20 |
500 |
|
4 |
100 |
12.00 |
3.5 |
12.00 |
305 |
9.25 |
235 |
100 |
20 |
500 |
|
6 |
150 |
15.88 |
403 |
18.00 |
457 |
20.88 |
530 |
150 |
24 |
600 |
|
8 |
200 |
19.75 |
502 |
20.50 |
521 |
24.62 |
625 |
201 |
24 |
600 |
|
10 |
250 |
22.38 |
568 |
22.00 |
559 |
25.62 |
650 |
252 |
24 |
600 |
|
12 |
300 |
25.50 |
648 |
25.00 |
635 |
30.75 |
780 |
303 |
24 |
600 |
|
14 |
350 |
30.00 |
762 |
30.00 |
762 |
31.00 |
790 |
334 |
32 |
800 |
|
16 |
400 |
33.00 |
838 |
33.00 |
838 |
36.25 |
920 |
385 |
32 |
800 |
|
18 |
450 |
36.00 |
914 |
36.00 |
914 |
38.25 |
970 |
436 |
32 |
800 |
|
20 |
500 |
39.00 |
991 |
39.00 |
991 |
43.38 |
1100 |
487 |
32 |
800 |
|
24 |
600 |
45.00 |
1143 |
45.00 |
1143 |
45.25 |
1150 |
589 |
32 |
800 |
|
26 |
650 |
49.00 |
1245 |
49.00 |
1245 |
50.75 |
1290 |
633 |
32 |
800 |
|
28 |
700 |
53.00 |
1346 |
53.00 |
1346 |
55.12 |
1400 |
684 |
32 |
800 |
|
30 |
750 |
55.00 |
1397 |
55.00 |
1397 |
64.12 |
1630 |
735 |
32 |
800 |
|
32 |
800 |
60.00 |
1524 |
60.00 |
1524 |
70.88 |
1800 |
779 |
32 |
800 |

Asosiy qismlar materiallari
|
Yo'q. |
Qism nomi |
Karbonli po'lat |
18Cr-9Ni-2Mo |
Past haroratli karbonli po'lat |
|
1 |
Tana |
A216-WCB |
A351-CF8M |
A352-LCB |
|
2 |
Bonnct |
A216-WCB |
A351 CF8M |
A352 LCB |
|
3 |
To'p |
A182-F304 |
A182-F316 |
A182-F304 |
|
4 |
Poyasi |
A276-304 |
A276-316 |
A276-304 |
|
5 |
O'rindiq |
A105+ENP |
A182-F316 |
A350-LF2+ENP |
|
6 |
O'rindiq muhri |
Shisha bilan to'ldirilgan PTFE |
|
|
|
7 |
O'rindiq bahori |
A313-304 |
Inconel X-750 |
A313-304 |
|
8 |
O'rindiq O{0}}Ring |
NBR |
Viton |
Viton |
|
9 |
O-Ring |
NBR |
Viton |
Viton |
|
10 |
Kaputning qistirmalari |
Grafit+304 daraja |
Grafit+316² |
Grafit+304² |
|
11 |
Bonnet O-Ring |
NBR |
Viton |
Viton |
|
12 |
Antistatik bahor |
A313-304 |
A313-316 |
A313-304 |
|
13 |
Topraklama piston |
A216-WCB |
A₁82-F316 |
A182-F304 |
|
14 |
Valf qopqog'i murvati |
A193-B7 |
A193-B8 |
A320-L7 |
|
15 |
Valf qopqog'i gayka |
A194-2H |
A194-8 |
A194-7 |
|
16 |
Trunn ioni |
A276-304 |
A276-316 |
A276-304 |
|
17 |
Murabbiy podshipnik |
304+PTFE |
316+PTFE |
304+PTFE |
|
18 |
Qadoqlash press plitasi |
A216-WCB |
A351-CF8M |
A352-LCB |
|
19 |
Qadoqlash murvati |
A193-B7 |
A193-B8 |
A193-B7 |
|
20 |
Joylashuv varag'i |
Karbonli po'lat |
Karbonli po'lat + Zn |
Karbonli po'lat |
|
21 |
Tutqich |
Karbonli po'lat |
|
|
Amaldagi standartlar
- Sharli klapanlar, API608/API6D
- Sharli klapanlar, ISO 10434/ISO14313
- Yong'inga chidamli, API607
- Antistatik, API608
- Vanalar, ASME B16.34
- Yuzma-yuz, ASMEB16.10
- Oxirgi troyniklar, ASMEB16.5
- Payvandlash uchlari, ASMB16.25
- Tekshirish va sinov; API598/API6D
Dizayn tavsifi
- To'liq port dizayni
- Bb, murvatli kapot, ajratilgan korpus
- Suzuvchi to'p turi
- Ishonchli novdani-changlang
- Yong'inga chidamli qurilish
- Antistatik qurilma
- To'xtatuvchi qurilma
- ISO5211 o'rnatish paneli
- Flanesli yoki dumbali payvandlash uchlari
- bg operatorida mavjud
|
NPS |
DN |
L(RF) |
L1(BW) |
H |
(d) |
W |
||||
|
ichida |
mm |
ichida |
mm |
ichida |
mm |
mm |
ichida |
mm |
||
|
900-sinf |
||||||||||
|
2 |
50 |
14.50 |
368 |
14.50 |
368 |
8.62 |
219 |
49 |
20 |
500 |
|
21/2 |
65 |
16.50 |
419 |
16.50 |
419 |
9.25 |
235 |
62 |
20 |
500 |
|
3 |
80 |
15.00 |
381 |
15.00 |
381 |
10.25 |
260 |
74 |
20 |
500 |
|
4 |
100 |
18.00 |
457 |
18.00 |
457 |
15.38 |
390 |
100 |
24 |
600 |
|
6 |
150 |
24.00 |
610 |
24.00 |
610 |
25.75 |
655 |
150 |
24 |
600 |
|
8 |
200 |
29.00 |
737 |
29.00 |
737 |
30.25 |
770 |
201 |
24 |
600 |
|
10 |
250 |
33.00 |
838 |
33.00 |
838 |
31.75 |
805 |
252 |
24 |
600 |
|
12 |
300 |
38.00 |
965 |
38.00 |
965 |
38.00 |
965 |
303 |
32 |
800 |
|
14 |
350 |
40.50 |
1029 |
40.50 |
1029 |
38.50 |
980 |
322 |
32 |
800 |
|
16 |
400 |
44.50 |
1130 |
44.50 |
1130 |
45.00 |
1145 |
373 |
32 |
800 |
|
18 |
450 |
48.00 |
1219 |
48.00 |
1219 |
47.00 |
1195 |
423 |
32 |
800 |
|
20 |
500 |
52.00 |
1321 |
52.00 |
1321 |
53.50 |
1360 |
471 |
32 |
800 |
|
24 |
600 |
61.00 |
1549 |
61.00 |
1549 |
56.00 |
1425 |
570 |
32 |
800 |

Asosiy qismlar materiallari
|
Yo'q. |
Qism nomi |
Karbonli po'lat |
18Cr-9Ni-2Mo |
Past haroratli karbonli po'lat |
|
1 |
Tana |
A216-WCB |
A351-CF8M |
A352-LCB |
|
2 |
Bonnct |
A216-WCB |
A351 CF8M |
A352 LCB |
|
3 |
To'p |
A182-F304 |
A182-F316 |
A182-F304 |
|
4 |
Poyasi |
A276-304 |
A276-316 |
A276-304 |
|
5 |
O'rindiq |
A105+ENP |
A182-F316 |
A350-LF2+ENP |
|
6 |
O'rindiq muhri |
Shisha bilan to'ldirilgan PTFE |
|
|
|
7 |
O'rindiq bahori |
A313-304 |
Inconel X-750 |
A313-304 |
|
8 |
O'rindiq O{0}}Ring |
NBR |
Viton |
Viton |
|
9 |
O-Ring |
NBR |
Viton |
Viton |
|
10 |
Kaputning qistirmalari |
Grafit+304 daraja |
Grafit+316² |
Grafit+304² |
|
11 |
Bonnet O-Ring |
NBR |
Viton |
Viton |
|
12 |
Antistatik bahor |
A313-304 |
A313-316 |
A313-304 |
|
13 |
Topraklama piston |
A216-WCB |
A₁82-F316 |
A182-F304 |
|
14 |
Valf qopqog'i murvati |
A193-B7 |
A193-B8 |
A320-L7 |
|
15 |
Valf qopqog'i gayka |
A194-2H |
A194-8 |
A194-7 |
|
16 |
Trunn ioni |
A276-304 |
A276-316 |
A276-304 |
|
17 |
Murabbiy podshipnik |
304+PTFE |
316+PTFE |
304+PTFE |
|
18 |
Qadoqlash press plitasi |
A216-WCB |
A351-CF8M |
A352-LCB |
|
19 |
Qadoqlash murvati |
A193-B7 |
A193-B8 |
A193-B7 |
|
20 |
Joylashuv varag'i |
Karbonli po'lat |
Karbonli po'lat + Zn |
Karbonli po'lat |
|
21 |
Tutqich |
Karbonli po'lat |
|
|
Amaldagi standartlar
- Sharli klapanlar, API608/API6D
- Sharli klapanlar, ISO 10434/ISO14313
- Yong'inga chidamli, API607
- Antistatik, API608
- Vanalar, ASME B16.34
- Yuzma-yuz, ASMEB16.10
- Oxirgi troyniklar, ASMEB16.5
- Payvandlash uchlari, ASMB16.25
- Tekshirish va sinov; API598/API6D
Dizayn tavsifi
- To'liq port dizayni
- Bb, murvatli kapot, ajratilgan korpus
- Suzuvchi to'p turi
- Ishonchli novdani-changlang
- Yong'inga chidamli qurilish
- Antistatik qurilma
- To'xtatuvchi qurilma
- ISO5211 o'rnatish paneli
- Flanesli yoki dumbali payvandlash uchlari
- bg operatorida mavjud
|
NPS |
DN |
L(RF) |
L1(BW) |
H |
(d) |
W |
||||
|
mm |
ichida |
mm |
ichida |
mm |
ichida |
mm |
mm |
ichida |
mm |
|
|
1500-sinf |
||||||||||
|
2 |
50 |
14.50 |
368 |
14.62 |
371 |
11.25 |
285 |
49 |
20 |
500 |
|
21/2 |
65 |
16.50 |
419 |
16.62 |
422 |
12.00 |
306 |
62 |
20 |
500 |
|
3 |
80 |
18.50 |
470 |
18.62 |
473 |
13.25 |
338 |
74 |
24 |
600 |
|
4 |
100 |
21.50 |
546 |
21.62 |
549 |
20.00 |
506 |
100 |
24 |
600 |
|
6 |
150 |
27.75 |
705 |
28.00 |
711 |
33.50 |
852 |
144 |
24 |
600 |
|
8 |
200 |
32.75 |
832 |
33.13 |
842 |
39.38 |
1000 |
192 |
32 |
800 |
|
10 |
250 |
39.00 |
991 |
39.38 |
1000 |
41.12 |
1045 |
239 |
32 |
800 |
|
12 |
300 |
44.50 |
1130 |
45.12 |
1146 |
49.38 |
1255 |
287 |
32 |
800 |
|
14 |
350 |
49.50 |
1257 |
50.25 |
1276 |
50.00 |
1270 |
315 |
32 |
800 |
|
16 |
400 |
54.50 |
1384 |
55.38 |
1407 |
58.50 |
1485 |
360 |
32 |
800 |
|
Sinf 2500 |
||||||||||
|
2 |
50 |
17.75 |
451 |
17.87 |
454 |
12.00 |
304 |
42 |
20 |
500 |
|
21/2 |
65 |
20.00 |
508 |
20.25 |
514 |
12.88 |
327 |
52 |
24 |
600 |
|
3 |
80 |
22.75 |
578 |
23.00 |
584 |
14.25 |
362 |
62 |
24 |
600 |
|
4 |
100 |
26.50 |
673 |
26.88 |
683 |
21.25 |
540 |
87 |
24 |
600 |
|
6 |
150 |
36.00 |
914 |
36.50 |
927 |
35.88 |
911 |
131 |
32 |
800 |
|
8 |
200 |
40.25 |
1022 |
40.87 |
1038 |
42.12 |
1070 |
179 |
32 |
800 |
|
10 |
250 |
50.00 |
1270 |
50.88 |
1292 |
44.00 |
1120 |
223 |
32 |
800 |
|
12 |
300 |
56.00 |
1422 |
56.88 |
1445 |
53.00 |
1345 |
265 |
32 |
800 |


Bolt ulanishi Ruxsat etilgan sharsimon valf
Tafsilotlar
Bolt ulanishi Ruxsat etilgan sharli klapan Bu trunnion-o'rnatilgan qo'zg'almas sharli valf murvat bilan ulangan-bo'lingan tana tuzilishini qabul qiladi. Vana tanasi segmentlari yuqori mustahkamlikdagi murvatlar bilan mahkam o'rnatiladi. Quvurni o'rnatish uchun gardish ulanishi keng tarqalgan. Hajmi diapazoni: DN50-DN700 (2"-28"); Bosim sinfi: Class150-Class1500. Korpus materiali: WCB karbonli po'lat, CF8 (304), CF8M (316), A105 zarb qilingan po'lat. Oʻrindiq: PTFE / R-PTFE yumshoq-oʻrindiq, metall{24}}to-metall qattiq-oʻrindiq ixtiyoriy. Ishga tushirish: chuvalchang{28}}qo‘lda, pnevmatik, elektr, gidravlik. Tabiiy gaz uzatish, neft{29}}gaz quvurlari, neft-kimyo, ko'mir-kimyo, energiya-energetika sanoatida suyuqlikni to'xtatish uchun keng qo'llaniladi.
Noyob xususiyat va foydalanish
1.Bolt-bo'linadigan tana tuzilishi, quvur liniyasini kesmasdan-montaj qilish, tekshirish va texnik xizmat ko'rsatish uchun qulay.
2.Trunnion-o'rnatilgan qattiq sharli tuzilma, katta-o'lchamli, past ish momenti bilan mavjud.
3.Bahorgi{1}}oldindan yuklangan suzuvchi oʻrindiq, ixtiyoriy qoʻsh{2}}porshenli-effektli ikki-yoʻnalishli muhr.
4. Tana bo'shlig'idagi bosimni pasaytirish funktsiyasi, xavfsiz ishlash uchun-chiqariladigan-o'tkazgich va anti{3}}statik qurilma.
5.Yuqori{1}}boltli ulanish yuqori bosim va harorat o'zgarishida yaxshi sızdırmazlık-bo'lishini ta'minlaydi.
6.Umumiy media uchun yumshoq{1}}o‘rindiq; yuqori harorat, abraziv, zarrachalar-yuklangan ish sharoitlari uchun-metal qattiq{2}}o‘rindiq.
Standartlarni amalga oshirish
Dizayn va ishlab chiqarish: API 6D gardish standarti: ASME B16.5 Yuz-to-Yuz oʻlchami: ASME B16.10 Bosim-Temperatura darajasi: ASME B16.34 Bosim sinovi: API 598 Majburiy emas: API 607 MR0 CE15} oltingugurtga qarshi{11}}talab
|
1, Operatsion |
Oson ishlatish uchun kengaytirilgan tutqich. Bundan tashqari, qiyinroq xizmatlar uchun tishli.motorli aktuator, pnevmatik yoki gidravlik aktuatorlar mavjud. |
|
2, BODY & BONNET |
12*8Smal uchun ajratilgan yoki 3-pieoe, bo'lingan tanasi va bommet ichki qismlarni ta'mirlash yoki almashtirish uchun oson qismlarga ajratiladi. Quvurlar egiluvchanligi uchun payvandlash uchi |
|
3, BORE |
To'liq teshik yoki qisqartirilgan teshik. To'liq-teshik dizayni ajoyib oqim nazoratini ta'minlaydi. |
|
4, Yakuniy ulanishlar |
Quvurlarning moslashuvchanligi uchun gardishli, RTJ gardishli yoki payvandlash uchini tanlash. |
|
5, qadoqlash |
STD qadoqlash ko‘p qavatli V-TEFLON qadoqlash, yuklanish bilan ishlangan, yuqori-sikl va og‘ir xizmat ko‘rsatish dasturlari ostida qadoqlashning siqilishini saqlaydi. |
|
6, BPS |
Ortiqcha bosim ostida nosozlikdan himoyalovchi-Proof Stem.Apressure-xavfsiz novda dizayni. |
|
7, AS |
Ant Static. Ametalik kontakt har doim to'p va novda/tana o'rtasida doimiy xizmatni-bo'shatish uchun beriladi. |
|
8, FD |
Yong'inga chidamli. Yong'in sodir bo'lganda ularga mos ishlashni ta'minlash uchun APl607 yoki BS6755 ga mo'ljallangan. Ikkilamchi metall-metall plomba{5}}birlamchi muhr yong'in natijasida vayron bo'lganda zaxira sifatida ishlaydi. APL607 ga muvofiq buyurtma qilingan klapanlar vigrafitli qadoqlash va qistirmalari bilan ta'minlanadi. |
Issiq teglar: metall o'rnatilgan balli klapanlar, Xitoyning metall o'rnatilgan balli klapanlar ishlab chiqaruvchilari, etkazib beruvchilari, zavodi

