kriyojenik pnevmatik nazorat valfi
kriyojenik pnevmatik nazorat valfi
Texnik spetsifikatsiya
2.1 Sana varaqasi
| Pnevmatik kriogen nazorat valfi Korpus turi: | to'g'ridan-to'g'ri quyma globus turi |
| Valf vilkasi turi: | muvozanatsiz bitta o'rindiqli vilka turi |
| Nominal hajmi: | DN20~200,、NPS 3/4〞~ 8〞 |
| Nominal bosim: | PN16 ~ 100、SINF 150LB ~ 600LB |
| Ulanish: gardish: | FF、RF、MF、RTJ |
| Payvandlash: | SW、BW |
| Flanj o'lchami: | IEC 60534 ga muvofiq |
| Pnevmatik kriyojenik tartibga soluvchi valf Bonnet turi: | Ⅲ: Past haroratli kengaytirilgan turi（-196℃~ 45℃) |
| Qadoqlash: | V tipidagi PFTE qadoqlash, moslashuvchan.grafit qadoqlash va boshqalar. |
| Shlangi: | Metall grafit qadoqlash |
| Pnevmatik kriogen tartibga soluvchi valfAktuator: | Pnevmatik: ko'p bahorli diafragma aktuator, piston tipidagi aktuator. |
2.2 Kriogen nazorat klapanining tuzilishi chizmasi
2.3 Kriogen nazorat valfi materiallari ro'yxati
| Komponent nomi | Tekshirish klapanining materiali |
| Korpus/kapoq | LCB/LCC/LF2/CF8/CF8M/CF3M |
| Valf g'altak / o'rindiq | 304/316/316L (qoplamali stellit qotishmasi) |
| Qadoqlash | Oddiy: -196～150℃PTFE hisoblanadi |
| Shlangi | Oddiy: Moslashuvchan grafitli zanglamaydigan po'lat, Maxsus: Metall tishli qistirma |
| Diafragma qopqog'i | Oddiy: Q235, Maxsus: 304 |
| Diafragma | NBR mustahkamlangan polyester mato bilan |
| Bahor | Oddiy: 60Si2Mn, Maxsus: 50CrVa |
| Boshqaruv klapanining dastasi | 2Cr13/17-4PH/304/316/316L |
2.4Low harorat material mos harorat ro'yxati
| Kasting | Soxtalashtirish | ||
| Materiallar | Eng past ish harorat | Materiallar | Eng past ish harorat |
| LCB | -46°C | LF2 | -46°C |
| LCC | -46°C | -46°C | |
| LC1 | -59°C | LF5 | -59°C |
| LC2 | -73°C | LF9 | -73°C |
| LC3 | -101°C | LF3 | -101°C |
| CF8 | -254°C | F304 | -254°C |
| CF8M | -254°C | F316 | -254°C |
| CF3 | -254°C | F304L | -254°C |
| CF3M | -254°C | F316L | -254°C |
2.5 Kriogen nazorat klapanining ishlashi
| Pnevmatik kriyojenik tartibga soluvchi valf Oqimning xarakteristikasi | Chiziqli, foizli, tez ochiladi |
| Ruxsat etilgan diapazon | 50: 1 (CV<6,3 30: 1) |
| Nominal Cv qiymati | Foiz CV1,6~630,chiziqli CV1.8~690 |
| Pnevmatik kriyojenik tartibga soluvchi valf Ruxsat etilgan oqish | Metall muhr: IV daraja（0,01% nominal quvvat) Yumshoq muhr: VI daraja（ko'pik darajasi) Oqish standarti: GB/T 4213 |
| Pnevmatik kriyojenik tartibga soluvchi valf Ishlash | |
| Ichki xatolik % | ±1,5 |
| Qaytish farqi, % | ≤1,5 |
| O'lik zona, % | ≤0,6 |
| Boshidan oxirigacha bo'lgan farq, % | ±2,5 |
| Nominal sayohat farqi, % | ≤2,5 |
2.6 Kriogen nazorat valfi aktuator parametri
| Tekshirish klapanining turi\ usuli | Pnevmatik diafragma aktuatori |
| PZMA-4~PZMA-7 | |
| Ko'p bahor turi | |
| Foydalanish | Regulyator turi, ON-OFF turi |
| Havo ta'minoti bosimi yoki quvvat manbai kuchlanishi | Havo ta'minoti bosimi (bahor oralig'i) 140（20～100)Kpa G 240 (40～200) Kpa G 280 (80～240) Kpa G |
| Ulagich | Havo trubkasi ulagichi: RC1/4 |
| To'g'ridan-to'g'ri harakat | Bosimning oshishi, ildizning tushishi, vana yopilishi. |
| Reaktsiya | Bosimning oshishi, ildizning ko'tarilishi, vana ochiq. |
| Kirish signali | 40～20mA.DC（pozitsioner bilan) |
| Kechikish | ≤1%FS（pozitsioner bilan) |
| Chiziqli turi | 2% FS（pozitsioner bilan) |
| Atrof-muhit harorati | -10℃～+70℃ |
| Pnevmatik kriyojenik tartibga soluvchi valf Aksessuarlar | E/P, P/P vana joylashtiruvchi, filtr regulyatori, vana konvertori, solenoid klapan, cheklangan kalit Nostandart aksessuarlar, maxsus moslashtirilgan eslatmalar kerak. |
2.7 Kriogen nazorat klapanining texnik parametri
| O'rindiq diametri (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
| Reytingli Cv | Foiz | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 |
| Chiziqli | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | |
| Nom.hajmi | Sayohat | Variant oqimining xarakteristikasi Cv.(★standart ●tavsiya qilingan ○ moslashtirilgan) | |||||||||||||
| DN20 | 16 mm | ● | ● | ● | ★ | ||||||||||
| DN25 | ● | ● | ● | ● | ★ | ||||||||||
| DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
| DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
| DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
| DN65 | 40 mm | ○ | ○ | ○ | ★ | ||||||||||
| DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
| DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
| DN125 | 60 mm | ○ | ○ | ○ | ★ | ||||||||||
| DN150 | ○ | ○ | ● | ★ | |||||||||||
| DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
| Pnevmatik aktuator Diafragma maydoni, Ae(sm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
| 280 | 400 | 600 | 1000 | ||||||||||||
| Harakat | Bahor oralig'i | Pnevmatik kriyojenik tartibga soluvchi valf Metall muhrlangan ruxsat etilgan bosim farqi (MPa) | |||||||||||||
| Havo ochiq | 20-100KPa | 4.46 | 3.09 | 1.98 | 1.16 | 0,7 | 0,44 | 0,28 | 0,18 | 0,17 | 0,11 | 0,07 | 0,07 | 0,05 | 0,03 |
| 40-200 KPa | 6.4 | 6.4 | 5.94 | 3.34 | 2.14 | 1.31 | 0,84 | 0,53 | 0,51 | 0,33 | 0,21 | 0,22 | 0,15 | 0,09 | |
| 80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 4.99 | 3.05 | 1.95 | 1.25 | 1.18 | 0,78 | 0,5 | 0,51 | 0,36 | 0,21 | |
| Havo yaqin | 20-100KPa | 6.4 | 6.19 | 3.96 | 2.23 | 2.14 | 0,87 | 0,56 | 0,35 | 0,34 | 0,22 | 0,14 | 0,15 | 0.1 | 0,06 |
| 40-200 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.86 | 3.64 | 2.3 | 2.21 | 1.43 | 0,91 | 0,95 | 0,66 | 0,37 | |
| 80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.04 | 3.18 | 3.06 | 1.98 | 1.26 | 1.32 | 0,92 | 0,52 | |
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