2.1 Pepa Aso
Pneumatic cryogenic control valve Ituaiga tino: | tu'u sa'o ile tu'aiga kelope |
Ituaiga polo alavai: | le paleni nofoa tasi ituaiga palaka |
Lapopo'a igoa: | DN20~200,、NPS 3/4〞~ 8〞 |
Ole mamafa ole igoa: | PN16 ~ 100、Vasega 150LB ~ 600LB |
So'oga: flange: | FF、RF、MF、RTJ |
Uila: | SW、BW |
Fua fuga: | E tusa ai ma le IEC 60534 |
Pneumatic cryogenic fa'atonutonu valve Tulaga ie: | Ⅲ: Tulaga fa'alautele le vevela maualalo(-196℃~ 45℃) |
afifiina: | V ituaiga PFTE afifiina, fetuutuunai.fa'apipi'i graphite, ma isi. |
Gasket: | Fa'apipi'i graphite uamea |
Pneumatic cryogenic faatonutonu valveActuator: | Pneumatic: tele-spring diaphragm actuator, piston type actuator. |
2.2 Cryogenic pulea valve fausaga ata
2.3 Cryogenic pulea valve mea lisi mea
Igoa vaega | Mea Fa'atonu Valve |
Tino/Kae | LCB/LCC/LF2/CF8/CF8M/CF3M |
Valve spool/Nofoa | 304/316/316L(ufiufi stellite alloy) |
afifiina | masani:-196~150℃o le PTFE |
Gasket | masani: u'amea u'amea ma graphite fetuutuunai, Fa'apitoa: Metala nifo ituaiga gasket |
Ufiufi Diaphragm | masani:Q235,Faapitoa:304 |
Diaphragm | NBR fa'atasi ma ie polyester fa'amalosia |
tautotogo | masani:60Si2Mn,Faapitoa:50CrVa |
Pulea alatoto | 2Cr13/17-4PH/304/316/316L |
2.4Loi mea vevela talafeagai lisi vevela
Tu'u | Fa'ailogaina | ||
Meafaitino | O galuega maualalo vevela | Meafaitino | O galuega maualalo vevela |
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 Cryogenic pulea valve faatinoga
Pneumatic cryogenic faʻatonutonu valve uiga tafe | Linear, pasene, tatala vave |
Avanoa fa'atagaina | 50: 1 (CV<6.3 30: 1) |
Fa'ailoga Cv tau | Pasene CV1.6~630,laina CV1.8~690 |
Pneumatic cryogenic faʻatonutonu valve Faʻatagaina le leaka | Fa'ailoga u'amea: IV vasega(0.01% fua fa'atatau) Fa'amaufa'ailoga vaivai: vasega VI(foam grade) Leakage tulaga: GB/T 4213 |
Pneumatic cryogenic fa'atonutonu valve Fa'atinoga | |
Fa'aletonu i totonu % | ±1.5 |
Fa'afo'i ese'esega,% | ≤1.5 |
Sone mate,% | ≤0.6 |
Eseesega mai le amataga i le pito i'uga,% | ±2.5 |
Eseesega tau femalagaaiga,% | ≤2.5 |
2.6 Cryogenic pulea valve actuator parameter
Pulea Valve Ituaiga\ Metotia | Pneumatic diaphragm actuator |
PZMA-4~PZMA-7 | |
Ituaiga vaipuna tele | |
Fa'aoga | Ituaiga faatonutonu, ituaiga ON-OFF |
Omiga o le sapalai o le ea po'o le malosi o le eletise | Omiga o le ea (Spring range) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Feso'ota'i | Feso'ota'i paipa ea: RC1/4 |
Gaoioiga tuusao | Faʻateleina le mamafa, faʻauʻu i lalo, vaʻa tapunia. |
Tali | Fa'ateleina le mamafa, alu a'e le 'au, tatala le valve. |
Fa'ailoga ulufale | 40~20mA.DC(fa'atasi ai ma tulaga) |
Lag | ≤1%FS(fa'atasi ai ma tulaga) |
Ituaiga laina | 2%FS(fa'atasi ai ma tulaga) |
vevela o le siosiomaga | -10℃~+70℃ |
Pneumatic cryogenic faʻatonutonu valve Mea fa'aoga | E/P, P/P valve positioner, fa'amama fa'amama, fa'aliliu valve, solenoid valve, fa'atapula'a ki Mea e le masani ai, manaʻomia faʻamatalaga faʻapitoa faʻapitoa. |
2.7 Cryogenic pulea valve fa'atekinisi
Tamita nofoa(mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Fa'ailoga Cv | pasene | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 |
Linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | |
Nom.tele | Malaga | Filifiliga tafe uiga Cv.(★tulaga ●fautua ○fa'apitoa) | |||||||||||||
DN20 | 16mm | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN65 | 40mm | ○ | ○ | ○ | ★ | ||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN125 | 60mm | ○ | ○ | ○ | ★ | ||||||||||
DN150 | ○ | ○ | ● | ★ | |||||||||||
DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
Pneumatic actuator vaega o le diaphragm, Ae(cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Gaioiga | Va'aiga tautotogo | Pneumatic cryogenic faʻatonutonu valve Fa'ailoga uamea fa'atagaina le eseesega o le mamafa (MPa) | |||||||||||||
Ea tatala | 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 | |
Tapuni le ea | 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 |