Kusintha kwa PQmbali yokwera njira ziwiri yosindikizidwa eccentric hemisphere valve
Ndi oyenera kuchiza zimbudzi, zamkati, alumina, Kutentha m'tawuni, petrochemical, mpweya, slurry, malasha phulusa, etc.
Zogulitsa
1. Malo akuluakulu ozungulira ndi kukana kwazing'ono. Izi ndichifukwa choti mutatha kutsegulira, pakati pa valve imakhala mu chipinda cha mpira, ndipo madziwo amawongoka.
2. Torque yaing'ono yogwiritsira ntchito, tembenuzani madigiri 90 kuti mutsegule ndi kutseka, yosavuta kugwira ntchito.
3. Chisindikizo cholimba; kawiri eccentric zitsulo zolimba chisindikizo. Zomwe zimapangidwira sizimakhudza kutsegula ndi kutseka, zomwe ndizofunikira kwambiri pa valve ya hemisphere.
4. Moyo wautali wautumiki, awiri osindikizira osavala, ndi malipiro, mpando wa valve ukhoza kusinthidwa kapena kusinthidwa.
Executive muyezo wa PQ mbali wokwera bidirectional eccentric hemisphere valve
| Zolinga zopangira | Kutalika kwamapangidwe | Flange standard | Kuyesa ndi kuyendera |
| GB/T 12237-2007 | GB/T 12221-2005 | GB-T9113-2000, EN1092 | GB/T13927-2008, API598 |
Main luso magawo
| Nominal pressure PN(MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Kuthamanga kwakukulu kogwira ntchito pa kutentha kwabwino (MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Kuthamanga kwamphamvu kwa chipolopolo (MPa) | 0.9 | 1.5 | 2.4 | 3.8 | 6.0 | 9.6 |
| Kuthamanga kwa mpweya (MPa) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| High pressure seal test pressure (MPa) | 0.66 | 1.1 | 1.8 | 2.75 | 4.4 | 7.1 |
| Kutayikira mlingo | ||||||
| Kutentha koyenera (℃) | Chisindikizo chofewa: -40 ℃ ~ + 200 ℃ | |||||
| Kugwiritsa ntchito sing'anga | Gasi wachilengedwe, nthunzi, zinthu zamafuta, ma acid, alkalis, malasha opunthidwa, phulusa la malasha, zotsalira za zinyalala ndi matope kuphatikiza granular, fiber ndi media zina. | |||||
| Fomu yotumizira | Worm gear drive, magetsi oyendetsa, pneumatic drive, hydraulic drive | |||||
PQ Zida za mbali zazikulu za mbali zokwera njira ziwiri eccentric hemisphere valve
| Thupi la valve ndi mbale ya pressure | Mtengo WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | Chithunzi cha ZG15Cr1Mo1V |
| gawo | WCB+Cr | 1Cr18Ni9Ti Chithandizo chapadera chapamwamba | 0Cr18Ni12Mo2Ti Chithandizo chapadera chapamwamba | 25Cr2Mo1V Chithandizo chapadera chapamwamba |
| Tsinde | 20Kr13 | 1Cr18Ni9Ti | Mtengo wa 0Cr18Ni12Mo2Ti | Chithunzi cha 25Cr12Mo1V |
| mpando wa valve | Q235A+PTFEButt kuwotcherera | 1Cr18Ni9Ti/PTFE | 0Cr18Ni12Mo2Ti/PTFE | 25Cr12Mo1/PTFE |
| chodzaza | graphite yosinthika | graphite yosinthika | graphite yosinthika | graphite yosinthika |
| Bolt | 35 | 0Cr18Ni9 | 0Cr18Ni9 | 15Cr1Mo1V |
| Mtedza | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo |
Kujambula kwa PQ kumbali yokwera njira ziwiri zosindikizira eccentric hemisphere valve
PQ Main yolumikiza miyeso ya PN1.0MPa mbali yokwera njira ziwiri zosindikizira eccentric hemisphere valve
| DN | L | D | D1 | D2 | Z-d0 | f | b | H |
| 40 | 165 | 150 | 110 | 84 | 4-18 | 2 | 18 | 210 |
| 50 | 178 | 165 | 125 | 99 | 4-18 | 2 | 20 | 230 |
| 65 | 190 | 185 | 145 | 118 | 4-18 | 2 | 20 | 245 |
| 80 | 203 | 200 | 160 | 132 | 8-18 | 2 | 20 | 265 |
| 100 | 229 | 220 | 180 | 156 | 8-18 | 2 | 22 | 310 |
| 125 | 254 | 250 | 210 | 184 | 8-18 | 2 | 22 | 350 |
| 150 | 267 | 285 | 240 | 211 | 8-22 | 2 | 24 | 395 |
| 200 | 292 | 340 | 295 | 266 | 8-22 | 2 | 24 | 435 |
| 250 | 330 | 395 | 350 | 319 | 12-22 | 2 | 26 | 480 |
| 300 | 356 | 445 | 400 | 370 | 12-22 | 2 | 26 | 550 |
| 350 | 381 | 505 | 460 | 429 | 16-22 | 2 | 26 | 620 |
| 400 | 430 | 565 | 515 | 480 | 16-26 | 2 | 26 | 670 |
| 450 | 502 | 615 | 565 | 530 | 20-26 | 2 | 28 | 700 |
| 500 | 550 | 670 | 620 | 582 | 20-26 | 2 | 28 | 760 |
| 600 | 660 | 780 | 725 | 682 | 20-30 | 2 | 34 | 850 |
| 700 | 770 | 895 | 840 | 794 | 24-30 | 5 | 34 | 920 |
| 800 | 880 | 1015 | 950 | 901 | 24-33 | 5 | 36 | 1100 |
| 900 | 1000 | 1115 | 1050 | 1001 | 28-33 | 5 | 38 | 1300 |
| 1000 | 1100 | 1230 | 1160 | 1112 | 28-36 | 5 | 38 | 1600 |
| 1200 | 1200 | 1455 | 1380 | 1328 | 32-39 | 5 | 44 | 1950 |
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