cryogenic pneumatic tswj valve
cryogenic pneumatic tswj valve
Technical specification
2.1 Hnub tim daim ntawv
| Pneumatic cryogenic tswj valve Lub cev hom: | ncaj qha los ntawm casting ntiaj teb hom |
| Valve plug hom: | non-balanced single seat plug type |
| Nominal loj: | DN20-200,,NPE 3/4〞~ 8〞 |
| Nominal siab: | NP16 ~ 100,CLASS 150LB ~ 600LB |
| Kev sib txuas: flange: | FF,RF,MF,RTJ |
| Vuam: | SW,BW |
| Flange qhov ntev: | Raws li IEC 60534 |
| Pneumatic cryogenic regulating valve Bonnet hom: | Ⅲ: Tsawg kub ncua hom(-196℃~ 45℃) |
| Ntim: | V hom PFTE packing, flex.graphite packing, thiab lwm yam. |
| Gasket: | Hlau graphite packing |
| Pneumatic cryogenic tswj valve Actuator: | Pneumatic: ntau lub caij nplooj ntoos hlav diaphragm actuator, piston hom actuator. |
2.2 Cryogenic tswj valve qauv kos duab
2.3 Cryogenic tswj valve cov ntaub ntawv teev
| Cov khoom npe | Tswj Valve Khoom |
| Lub cev / Lub kaus mom | LCB / LCC / LF2 / CF8 / CF8M / CF3M |
| Valve spool / Rooj | 304/316/316L (overlaying stellite alloy) |
| Ntim | Nquag: -196～150℃yog PTFE |
| Gasket | Ib txwm: Stainless hlau nrog saj zawg zog graphite, Tshwj xeeb: Hlau hniav hom gasket |
| Diaphragm Cover | Ib txwm: Q235, Tshwj xeeb: 304 |
| Diaphragm | NBR nrog cov ntaub polyester reinforced |
| Caij nplooj ntoos hlav | Ib txwm: 60Si2Mn, Tshwj xeeb: 50CrVa |
| Tswj valve qia | 2Cr13/17-4PH/304/316/316L |
2.4Low kub cov ntaub ntawv uas haum cov npe kub
| Casting | Forging | ||
| Khoom siv | Ua haujlwm qis tshaj plaws kub | Khoom siv | Ua haujlwm qis tshaj plaws kub |
| LCB | -46 ° C | LF2 | -46 ° C |
| LCC | -46 ° C | -46 ° C | |
| LC 1 | -59 ° C | LF 5 | -59 ° C |
| LC 2 | -73 ° C | LF 9 | -73 ° C |
| LC3 | -101 ° C | LF3 | -101 ° C |
| CF 8 | -254 ° C | f304 ua | -254 ° C |
| CF8M | -254 ° C | F316 | -254 ° C |
| CF 3 | -254 ° C | f304l ua | -254 ° C |
| CF 3M | -254 ° C | f316l ua | -254 ° C |
2.5 Cryogenic tswj valve kev ua tau zoo
| Pneumatic cryogenic regulating valve Flow yam ntxwv | Linear, feem pua, qhib ceev |
| Tso cai ntau yam | 50:1 (CV<6.3 30:1) |
| Rated Cv tus nqi | Feem pua CV1.6 ~ 630,linear CV1.8 ~ 690 |
| Pneumatic cryogenic regulating valve Tso cai xau | Hlau foob: qib IV(0.01% rated peev) Soft foob: VI qib(ua npuas ncauj qib) Cov txheej txheem xau: GB / T 4213 |
| Pneumatic cryogenic tswj valve Performance | |
| Intrinsic yuam kev % | ± 1.5 |
| Rov qab sib txawv,% | ≤1.5 |
| Qhov chaw tuag,% | ≤0.6 |
| Qhov sib txawv ntawm qhov pib mus rau qhov kawg, % | ± 2.5 |
| Rated mus txawv tebchaws,% | ≤ 2.5 |
2.6 Cryogenic tswj valve actuator parameter
| Tswj Valve Hom Txoj Kev | Pneumatic diaphragm actuator |
| PZMA-4 ~ PZMA-7 | |
| Multi-caij nplooj ntoos hlav hom | |
| Kev siv | Kev tswj hom, ON-OFF hom |
| Cua mov siab los yog Fais fab mov voltage | Air supply pressure (Spring range) 140(20～100)Kpa G 240 (40～200) Kpa G 280 (80～240) KWG |
| Txuas | Cua yeeb nkab connector: RC1/4 |
| Kev txiav txim ncaj qha | Siab nce, qia nqis, valve kaw. |
| Cov tshuaj tiv thaiv | Siab nce, qia nce, valve qhib. |
| Input teeb liab | 40～20 mA DC(nrog positioner) |
| Lag | ≤1% FS(nrog positioner) |
| Hom kab | 2% FS(nrog positioner) |
| Environmental kub | -10℃～+70℃ |
| Pneumatic cryogenic regulating valve Cov khoom siv | E / P, P / P valve positioner, lim regulator, valve converter, solenoid valve, txwv hloov Cov khoom siv tsis yog tus qauv, xav tau cov ntawv tshwj xeeb customized. |
2.7 Cryogenic tswj valve technical parameter
| Lub rooj diameter (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
| Rated Cv | Feem pua | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 |
| Tawm | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 ib | 27.5 ib | 44 | 69 | 110 | 176 | 275 | 440 | 690 ib | |
| npe.qhov loj | Ncig teb chaws | Option flow yam ntxwv Cv.(★ qauv ●recommanded ○ customized) | |||||||||||||
| DN 20 | 16 hli | ● | ● | ● | ★ | ||||||||||
| DN 25 | ● | ● | ● | ● | ★ | ||||||||||
| DN 32 | 25 hli | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
| DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
| DN 50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
| DN 65 | 40 hli | ○ | ○ | ○ | ★ | ||||||||||
| DN 80 | ○ | ○ | ○ | ● | ★ | ||||||||||
| DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
| DN125 | 60 hli | ○ | ○ | ○ | ★ | ||||||||||
| DN150 | ○ | ○ | ● | ★ | |||||||||||
| DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
| Pneumatic actuator Diaphragm cheeb tsam, Ae (cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
| 280 | 400 | 600 | 1000 | ||||||||||||
| Ua | Caij nplooj ntoos hlav | Pneumatic cryogenic regulating valve Hlau sealing pub siab sib txawv (MPa) | |||||||||||||
| Cua qhib | 20-100 KPa | 4.46 ib | 3.09 Nws | 1.98 ib | 1.16 | 0.7 ua | 0.44 ib | 0.28 ib | 0.18 | 0.17 ib | 0.11 | 0.07 ib | 0.07 ib | 0.05 Nws | 0.03 ib |
| 40-200 KPa | 6.4 | 6.4 | 5.94 ib | 3.34 ib | 2.14 | 1.31 ib | 0.84 ib | 0.53 ib | 0.51 ib | 0.33 ib | 0.21 ib | 0.22 | 0.15 | 0.09 ib | |
| 80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 4.99 ib | 3.05 Nws | 1.95 ib | 1.25 | 1.18 | 0.78 ib | 0.5 | 0.51 ib | 0.36 ib | 0.21 ib | |
| Cua kaw | 20-100 KPa | 6.4 | 6.19 ib | 3.96 ib | 2.23 | 2.14 | 0.87 ib | 0.56 ib | 0.35 Nws | 0.34 ib | 0.22 | 0.14 ib | 0.15 | 0.1 | 0.06 ib |
| 40-200 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.86 ib | 3.64 ib | 2.3 | 2.21 | 1.43 ib | 0.91 ib | 0.95 ib | 0.66 ib | 0.37 ib | |
| 80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.04 ib | 3.18 | 3.06 ib | 1.98 ib | 1.26 | 1.32 ib | 0.92 ib | 0.52 ib | |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
