2.1 Taflen ddyddiad
Falf rheoli cryogenig niwmatig Math o gorff: | yn syth drwy castio math glôb |
Math plwg falf: | math plwg sedd sengl nad yw'n gytbwys |
Maint enwol: | DN20 ~ 200,、NPS 3/4〞~8〞 |
Pwysau enwol: | PN16 ~ 100、DOSBARTH 150LB ~ 600LB |
Cysylltiad: fflans: | FF、RF、MF、RTJ |
Weldio: | SW、BW |
Dimensiwn fflans: | Yn ôl IEC 60534 |
Falf rheoleiddio cryogenig niwmatig Math Bonnet: | Ⅲ: Math estynedig tymheredd isel(-196℃~45℃) |
Pacio: | V math PFTE pacio, fflecs.pacio graffit, ac ati. |
Gasged: | Pacio graffit metel |
Falf rheoleiddio cryogenig niwmatig Actuator: | Niwmatig: actuator diaffram aml-wanwyn, actuator math piston. |
2.2 lluniadu strwythur falf rheoli cryogenig
2.3 rhestr deunydd falf rheoli cryogenig
Enw'r gydran | Deunydd Falf Rheoli |
Corff/Boned | LCB/LCC/LF2/CF8/CF8M/CF3M |
Sbwlio falf / Sedd | 304/316/316L (troshaenu aloi stellite) |
Pacio | Arferol:-196~150℃yn PTFE |
Gasged | Arferol: Dur di-staen gyda graffit hyblyg, Arbennig: Gasged math dannedd metel |
Gorchudd Diaffram | Arferol: C235, Arbennig: 304 |
Diaffram | NBR gyda ffabrig polyester wedi'i atgyfnerthu |
Gwanwyn | Arferol: 60Si2Mn, Arbennig: 50CrVa |
Coesyn falf rheoli | 2Cr13/17-4PH/304/316/316L |
2.4Low rhestr tymheredd deunydd tymheredd addas
Bwrw | gofannu | ||
Defnyddiau | Gweithio isaf tymheredd | Defnyddiau | Gweithio isaf tymheredd |
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 Perfformiad falf rheoli cryogenig
Falf rheoleiddio cryogenig niwmatig Nodwedd llif | Llinol, canran, cyflym agored |
Ystod a ganiateir | 50: 1 (CV<6.3 30: 1) |
Gwerth graddedig CV | Canran CV1.6~630,CV llinol 1.8 ~ 690 |
Falf rheoleiddio cryogenig niwmatig Gollyngiadau a ganiateir | Sêl fetel: gradd IV(Capasiti graddedig 0.01%.) Sêl feddal: gradd VI(gradd ewyn) Safon gollyngiadau: GB/T 4213 |
Falf rheoleiddio cryogenig niwmatig Perfformiad | |
Gwall cynhenid % | ±1.5 |
Gwahaniaeth dychweliad, % | ≤1.5 |
Parth marw, % | ≤0.6 |
Gwahaniaeth o'r dechrau i'r diwedd, % | ±2.5 |
Gwahaniaeth teithio graddedig, % | ≤2.5 |
2.6 Paramedr actuator falf rheoli cryogenig
Math Falf Rheoli\ Dull | Actuator diaffram niwmatig |
PZMA-4 ~ PZMA-7 | |
Math aml-wanwyn | |
Defnydd | Math rheoleiddio, math ON-OFF |
Pwysedd cyflenwad aer neu foltedd cyflenwad pŵer | Pwysedd cyflenwad aer (Amrediad y gwanwyn) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Cysylltydd | Cysylltydd pibell aer: RC1/4 |
Gweithredu uniongyrchol | Cynnydd pwysau, disgyn coesyn, falf yn agos. |
Adwaith | Cynnydd pwysau, esgyniad coesyn, falf ar agor. |
Signal mewnbwn | 40~20mA.DC(gyda gosodwr) |
Lag | ≤1%FS(gyda gosodwr) |
Math llinol | 2%FS(gyda gosodwr) |
Tymheredd amgylcheddol | -10℃~+70℃ |
Falf rheoleiddio cryogenig niwmatig Ategolion | E/P, gosodwr falf P/P, rheolydd hidlo, trawsnewidydd falf, falf solenoid, switsh cyfyngedig Ategolion ansafonol, angen nodiadau arbennig wedi'u haddasu. |
2.7 Paramedr technegol falf rheoli cryogenig
Diamedr sedd (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Cv | Canran | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 |
Llinol | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | |
Nom.maint | Teithio | Llif opsiwn nodweddiadol Cv.( ★safonol ●argymhellir ○ wedi'i addasu) | |||||||||||||
DN20 | 16mm | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN65 | 40mm | ○ | ○ | ○ | ★ | ||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN125 | 60mm | ○ | ○ | ○ | ★ | ||||||||||
DN150 | ○ | ○ | ● | ★ | |||||||||||
DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
Actuator niwmatig Arwynebedd diaffram, Ae(cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Gweithred | Ystod y gwanwyn | Falf rheoleiddio cryogenig niwmatig Gwahaniaeth pwysau a ganiateir selio metel (MPa) | |||||||||||||
Awyr agored | 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 | |
Awyr yn agos | 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 |