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cryogenic pneumatic tswj valve

cryogenic pneumatic tswj valve

Lus piav qhia luv luv:

Pneumatic cryogenic regulating valve yog siv rau liquefied natural gas, liquefied petroleum gas, liquefied oxygen, liquefied nitrogen, liquefied hydrogen.Extended bonnet tsim ntawm lub Pneumatic cryogenic regulating valve los xyuas kom meej kev cia siab ntawm lub qia ntim & sealing.Pneumatic cryogenic regulating valve kub -196 ° C ~ + 45 ° C.


Product Detail

Khoom cim npe

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: : 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

cryogenic pneumatic control valve

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: -196150yog 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(20100)Kpa G
240 (40200) Kpa G
280 (80240) 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 4020 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

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