DIN3202 Cam khwb cia hlau rooj vag Valve
Lub rooj vag valve yog hais txog lub valve uas nws kaw qhov (lub rooj vag) txav raws txoj kab ntsug ntawm txoj kab nruab nrab ntawm cov channel.Lub rooj vag valve feem ntau yog siv rau kev txiav hauv cov kav dej.Forged steel rooj vag valve yog siv dav dav.Nws feem ntau yog siv rau kev txiav cov cuab yeej nrog ib txoj kab uas hla ntawm DN ≥ 50mm, thiab qee zaum lub rooj vag valve kuj tseem siv rau kev txiav cov cuab yeej nrog lub cheeb me me.Lub rooj vag valve, raws li qib qis qis, muaj ntau dua.
Lub rooj vag valve nta:
Zoo sealing kev ua tau zoo, me me dej tsis kam thiab qee yam kev tswj xyuas;Txawm li cas los xij, nws muaj qhov loj me, cov qauv tsim, kev ua haujlwm nyuaj, yooj yim hnav ntawm qhov chaw sib khi, kev saib xyuas nyuaj thiab lub sijhawm qhib thiab kaw ntev.Nws yog qhov tsim nyog rau kev ua qhov loj-inch li qub.Ntxiv nrog rau chav, roj thiab lwm yam xov xwm, nws kuj yog tsim rau cov xov xwm uas muaj granular solids thiab siab viscosity, raws li zoo raws li li qub rau venting thiab tsawg lub tshuab nqus tsev vacuum.
Specification
| TSIS MUAJ. | PART | Khoom siv ASTM |  | ||||
| WCB | LCB | WC 6 | CF8 (M) | CF3 (M) | |||
| 1 | Lub cev | A216 WCB | A352 LWB | A217 WC 6 | A351 CF8 (M) | A351 CF3 (M) | |
| 2 | GATE | A216 WCB + 13Cr | A352 LCB + 13Cr | A217 WC6 + STL | A351 CF8 (M) | A351 CF3 (M) | |
| 3 | SEAT | A105+13Cr | A105+13Cr | A217 WC6 + STL | A351 CF8(M) + STL6 | A351 CF3(M) + STL6 | |
| 4 | STEM | A182 F6 | A182 F6 | A182 F6 | A182 F304/F316 | A182 F304L/F316L | |
| 5 | BONNET BOLT | A193 B7 | A320 L7 | A193 B16 | A193 B8 (M) | A193 B8 (M) | |
| 6 | BONNET NEEJ | A194 2 H | ib 1947 | A194 4 | A1948 (M) | A1948 (M) | |
| 7 | GASKET | SS304 + GRAPHITE | PTFE / SS304 + GRAPHITE | PTFE / SS316 + GRAPHITE | |||
| 8 | BONNET | A216 WCB | A352 LWB | A217 WC 6 | A351 CF8 (M) | A351 CF3 (M) | |
| 9 | POB ZEB | A182 F6 | A182 F6 | A182 F6 | - | - | |
| 10 | Ntim | FLEXIBLE GRAPHITE | PTFE / FLEXIBLE GRAPHITE | ||||
| 11 | GLAND | A182 F6 | A182 F6 | A182 F6 | A182 F304 | A182 F304L/F316L | |
| 12 | GLAND FLANGE | A216 WCB | A352 LWB | A217 WC 6 | A351 CF8 (M) | A351 CF3 (M) | |
| 13 | GLAND EYEBOLT | A193 B7 | A193 B8 | A193 B8 | |||
| 14 | NTAU | A194 2 H | ib 1948 | ib 1948 | |||
| 15 | PIN | TIAB SA 1025 | TIAB SA 1025 | ||||
| 16 | STEM NTAWM | BRONZE | BRONZE | ||||
| 17 | HANDWHEEL txiv ntseej | TIAB SA 1035 | TIAB SA 1035 | ||||
| 18 | SCREW | ASTM A36 | ASTM A36 | ||||
| 19 | HANDWHEEL | A536 60-40-18 | A536 60-40-18 | ||||
| 20 | BEARING GLAND | TIAB SA 1035 | TIAB SA 1035 | ||||
| 21 | GREASE NIPPLE | BRASS | BRASS | ||||
| 22 | NPEPLATE | SIB 304 | SIB 304 | ||||
Cov ntaub ntawv Dimensions (mm)
| NPS | 2 | 2 ½ | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
| L | 250 | 270 | 280 | 300 | 325 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 800 |
| D | 165 | 185 | 200 | 235 | 270 | 300 | 360 | 425 | 485 ib | 555 | 620 | 670 ib | 730 ua | 745 ib |
| b | 20 | 22 | 24 | 24 | 26 | 28 | 30 | 32 | 34 | 38 | 40 | 46 | 48 | 58 |
| nd | 4-20 | 8–22 | 8–24 | 8–24 | 8–26 | 8–28 | 12-30 | 12-32 : kuv | 16-34 : kuv | 16-38 | 16-40 : kuv | 20-46 : kuv | 20-48 : kuv | 20-58 : kuv |
