2.1 Letlapa la letsatsi
Pneumatic cryogenic control valve Mofuta oa 'mele: | ka ho toba ka mofuta oa lefats'e oa ho lahla |
Mofuta oa plug ea valve: | mofuta oa polaka ea setulo se le seng e sa leka-lekaneng |
Boholo ba lebitso: | DN20~200,,NPS 3/4〞~ 8〞 |
Khatello ea lebitso: | PN16 ~ 100,Sehlopha sa 150LB ~ 600LB |
Khokahano: flange: | FF,RF,MF,RTJ |
Welding: | SW,BW |
Boemo ba Flange: | Ho latela IEC 60534 |
Pneumatic cryogenic regulating valve Mofuta oa Bonnet: | Ⅲ: Mofuta o atolositsoeng oa mocheso o tlase(-196℃~ 45℃) |
Ho paka: | V mofuta oa PFE paka, flex.ho paka graphite, joalo-joalo. |
Gasket: | Ho paka ka tšepe ea graphite |
Pneumatic cryogenic regulating valveActuator: | Pneumatic: multi-spring diaphragm actuator, mofuta oa piston actuator. |
2.2 Sets'oants'o sa sebopeho sa li-valve tsa taolo ea Cryogenic
2.3 Lethathamo la lisebelisoa tsa li-valve tsa taolo ea Cryogenic
Lebitso la karolo | Lisebelisoa tsa Valve ea ho Laola |
Mmele/Bonnet | LCB/LCC/LF2/CF8/CF8M/CF3M |
Setulo sa valve / Setulo | 304/316/316L(alloy e holim'a stellite) |
Ho paka | Tloaelehileng:-196~150℃ke PTFE |
Gasket | Tloaelehileng: tšepe e sa hloekang e nang le graphite e tenyetsehang, e Khethehileng: Mofuta oa leino la tšepe |
Sekoahelo sa Diaphragm | Tloaelehileng:Q235,Special:304 |
Diaphragm | NBR e nang le lesela la polyester le tiisitsoeng |
Selemo | Tloaelehileng: 60Si2Mn, E khethehileng: 50CrVa |
Thibelo ea valve ea taolo | 2Cr13/17-4PH/304/316/316L |
2.4Llintho tse bonahalang mocheso loketseng lethathamo la mocheso
Ho lahla | Ho qapa | ||
Lisebelisoa | Mosebetsi o tlase ka ho fetisisa mocheso | Lisebelisoa | Mosebetsi o tlase ka ho fetisisa mocheso |
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 Ts'ebetso ea valve ea ho laola Cryogenic
Pneumatic cryogenic regulating valve Sebopeho sa phallo | Linear, peresente, butle kapele |
Sebaka se lumelletsoeng | 50: 1 (CV <6.3 30: 1) |
E lekantsoe boleng ba Cv | Peresente CV1.6~630,linear CV1.8~690 |
Pneumatic cryogenic regulating valve Ho lutla ho lumelletsoeng | Setiiso sa tšepe: Kereiti ea IV(0.01% e lekantsoe bokhoni) Setiiso se bonolo: Sehlopha sa VI(foam grade) Tekanyetso ea ho lutla: GB/T 4213 |
Pneumatic cryogenic regulating valve Ts'ebetso | |
Phoso ea ka hare % | ±1.5 |
Khutlisetsa phapang, % | ≤1.5 |
Sebaka sa bafu,% | ≤0.6 |
Phapang ho tloha qalong ho isa pheletsong, % | ±2.5 |
Likarolo tse fapaneng tsa maeto, % | ≤2.5 |
2.6 Paramethara ea li-valve tsa ho laola li-Cryogenic
Taolo ea Mofuta oa Valve\ Mokhoa | Sebapali sa moea oa diaphragm |
PZMA-4~PZMA-7 | |
Mefuta e mengata ea selemo | |
Tšebeliso | Mofuta oa taolo, mofuta oa ON-OFF |
Khatello ea phepelo ea moea kapa motlakase oa phepelo ea Matla | Khatello ea phepelo ea moea (Spring range) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Sehokedi | Sehokelo sa phala ea moea: RC1/4 |
Ketso e tobileng | Khatello e eketseha, stem e theoha, valve e koala. |
Boitšoaro | Keketseho ea khatello, kutu ea nyoloha, valve e bulehile. |
Lets'oao la ho kenya | 40~20mA.DC(e nang le boemo) |
Lag | ≤1% FS(e nang le boemo) |
Mofuta oa linear | 2% FS(e nang le boemo) |
Mocheso oa tikoloho | -10℃~+70℃ |
Pneumatic cryogenic regulating valve Lisebelisoa | E/P, P/P ea boemo ba valve, regulator ea filthara, converter ea valve, valve ea solenoid, switch e lekanyelitsoeng Lisebelisoa tse sa tloaelehang, li hloka lintlha tse khethehileng tse hlophisitsoeng. |
2.7 Cryogenic control valve tekheniki parameter
Bophara ba setulo(mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Cv e lekantsoeng | Peresente | 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.boholo | Tsamaea | Khetho ea phallo tšobotsi Cv.(★standard ●commended ○ customized) | |||||||||||||
DN20 | 16 limilimithara | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
DN32 | 25 limilimithara | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN65 | 40 limilimithara | ○ | ○ | ○ | ★ | ||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN125 | 60 limilimithara | ○ | ○ | ○ | ★ | ||||||||||
DN150 | ○ | ○ | ● | ★ | |||||||||||
DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
Sesebelisoa sa moea Sebaka sa diaphragm, Ae(cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Ketso | Nako ea selemo | Pneumatic cryogenic regulating valve Phapang ea khatello e lumelletsoeng ea ho tiisa tšepe (MPa) | |||||||||||||
Moya o bulehile | 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 | |
Moya o haufi | 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 |