Khoom siv
Haum rau kev kho dej phwj tuaj, pulp, alumina, cua sov hauv nroog, petrochemical, roj, slurry, thee tshauv.
Khoom nta
1. Loj ncig cheeb tsam thiab me me ntws tsis kam. Qhov no yog vim qhov qhib valve tseem ceeb nyob rau hauv lub pob chamber, thiab cov kua dej dhau los
2. Me me ua haujlwm torque, tig 90 degrees qhib thiab kaw, yooj yim rau kev khiav lag luam
3. Tight seal; ob chav eccentric hlau nyuaj foob. Cov qauv tsis cuam tshuam rau qhov qhib thiab kaw, uas yog qhov tseem ceeb tshaj plaws ntawm lub hemisphere valve
4. Lub neej ua haujlwm ntev, hnav-tiv taus sealing khub, nrog kev them nyiaj, lub rooj zaum valve tuaj yeem hloov kho lossis hloov
Product executive standard
| Cov qauv tsim | Cov qauv ntev | Flange txheem | Kev kuaj thiab tshuaj xyuas |
| GB/T12237-2007 | GB/T12221-2005 | GB / T9113-2000, EN1092 | GB / T13927-2008, API 598 |
Main technical parameters
| Nominal siab | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Ua haujlwm siab tshaj plaws ntawm qhov kub thiab txias | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Plhaub lub zog kuaj siab | 0.9 | 1.5 | 2.4 | 3.8 | 6.0 | 9.6 ib |
| Airtight xeem siab | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| High pressure seal test siab | 0.66 ib | 1.1 | 0.8 ua | 2.75 ib | 4.4 | 7.1 |
| Tus nqi xau | <0.1 × DNmmm³ / s (raws li API598 tus qauv) | |||||
| Siv tau qhov kub thiab txias | Mos foob: -40 ℃ ~ + 200 ℃; Hard foob: -50 ℃ ~ + 600 ℃ | |||||
| Siv tau nruab nrab | Natural gas, dej vapor, roj khoom, acids, alkalis, pulverized thee, thee tshauv, pov tseg residue, av nkos, granular, fiber ntau thiab lwm yam xov xwm | |||||
| Daim ntawv kis tau tus mob | Turbine tsav, hluav taws xob tsav, pneumatic tsav, hydraulic tsav | |||||
Khoom siv ntawm cov khoom tseem ceeb
| Valve lub cev thiab valve phaj | WCB | ZG | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |
| kheej kheej | WCB + Cr | 1Cr18Ni9TiSpecial nto kho | 0Cr18Ni12Mo2TiSpecial nto kho | 25Cr1Mo1VSpecial nto kho |
| Qe | 20 Cr13 | 1Cr18Ni9 Ti | 0Cr18Ni12Mo2 Ti | 25Cr1Mo1V |
| valve rooj | Q235A + PTFE Tsim kom muaj vuam | 1Cr18Ni9T / PTFE muaj | 0Cr18Ni12Mo2Ti/PTFE | 25Cr1Mo1V / PTFE |
| muab tub lim | Saj zawg zog graphite | Saj zawg zog graphite | Saj zawg zog graphite | Saj zawg zog graphite |
| Bolt | 35 | 0c18n 9 | 0c18n 9 | 0c18n 9 |
| Txiv ntseej | 45 | 0c18n 9 | 0c18n 9 | 20 CrMo |
PQ Daim duab ntawm sab mounted ob txoj kev foob eccentric hemisphere valve
Main kev twb kev txuas qhov ntev
| DN | L | D | D1 | D2 | Z-d 0 | 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 ib |
| 200 | 292 ib | 340 | 295 | 266 | 8–22 | 2 | 24 | 4 35 |
| 250 | 330 | 395 ib | 350 | 319 | 12-22 | 2 | 26 | 480 |
| 300 | 356 | 445 | 100 | 370 | 2-22 | 2 | 26 | 550 |
| 350 | 381 ib | 505 | 460 | 429 ib | 16-22 | 2 | 26 | 620 |
| 400 | 430 | 565 ib | 515 | 480 | 16-26 | 2 | 26 | 670 ib |
| 450 | 502 ib | 615 | 565 ib | 530 | 20-26 | 2 | 28 | 700 |
| 500 | 550 | 670 ib | 620 | 582 ib | 20-26 | 2 | 25 | 760 ib |
| 600 | 660 | 780 ua | 725 ib | 682 ib | 20-30 | 2 | 34 | 850 |
| 700 | 770 ib | 895 ib | 840 ib | 794 ib | 24-30 : kuv | 5 | 34 | 9 20 |
| 800 | 880 ua | 1015 | 950 ua | 901 ib | 24-33 : kuv | 5 | 36 | 1100 |
| 900 | 1000 | 1115 | 1050 | 1001 | 28-33 : kuv | 5 | 38 | 1300 |
| 1000 | 1100 | 1230 | 1160 | 1112 | 28-36 : kuv | 5 | 38 | 1600 |
| 1200 | 1200 | 1455 | 1380 | 1328 ib | 32-39 : kuv | 5 | 44 | Xyoo 1950 |























