2.1 Ishidi losuku
Ivalvu yokulawula i-cryogenic ye-pneumatic Uhlobo Lomzimba: | ngqo ngokusebenzisa uhlobo lwembulunga yokusakaza |
Uhlobo lwepulaki ye-valve: | uhlobo lwepulaki yesihlalo esisodwa esingalingani |
Usayizi omncane: | I-DN20~200,,I-NPS 3/4〞~ 8〞 |
Ingcindezi encane: | I-PN16 ~ 100,I-CLASS 150LB ~ 600LB |
Ukuxhumana: i-flange: | FF,RF,MF,I-RTJ |
Ukushisela: | SW,BW |
Ubukhulu be-Flange: | Ngokusho kwe-IEC 60534 |
Uhlobo lwebhonethi ye-valve ye-cryogenic ye-pneumatic: | Ⅲ:Uhlobo olunwetshiwe lwezinga lokushisa eliphansi(-196℃~ 45℃) |
Ukupakisha: | V uhlobo PFTE ukupakisha, flex.ukupakisha i-graphite, njll. |
I-Gasket: | Ukupakisha kwe-Metal graphite |
I-pneumatic cryogenic regulating valveActuator: | I-pneumatic: i-multi-spring diaphragm actuator, uhlobo lwe-piston actuator. |
2.2 Umdwebo wesakhiwo se-valve yokulawula i-Cryogenic
2.3 Uhlu lwama-valve okulawula i-Cryogenic
Igama lengxenye | Control Valve Material |
Umzimba/Ibhonethi | LCB/LCC/LF2/CF8/CF8M/CF3M |
I-valve spool/Isihlalo | 304/316/316L(ingxube ye-stellite embozekile) |
Ukupakisha | Okujwayelekile:-196~150℃i-PTFE |
I-Gasket | Okuvamile:Insimbi engagqwali ene-graphite eguquguqukayo,Ekhethekile:I-gasket yohlobo lwezinyo lensimbi |
Ikhava ye-diaphragm | Okujwayelekile:Q235,Okukhethekile:304 |
I-diaphragm | I-NBR enendwangu ye-polyester eqinisiwe |
Intwasahlobo | Okuvamile:60Si2Mn, Okukhethekile:50CrVa |
Isiqu se-valve yokulawula | 2Cr13/17-4PH/304/316/316L |
2.4LI-ow impahla yokushisa efanelekile uhlu lokushisa olufanele
Iyasakaza | Ukuqamba | ||
Izinto zokwakha | Ukusebenza okuphansi kakhulu izinga lokushisa | Izinto zokwakha | Ukusebenza okuphansi kakhulu izinga lokushisa |
I-LCB | -46°C | I-LF2 | -46°C |
I-LCC | -46°C | -46°C | |
I-LC1 | -59°C | I-LF5 | -59°C |
I-LC2 | -73°C | LF9 | -73°C |
I-LC3 | -101°C | I-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 Ukusebenza kwevalvu yokulawula i-Cryogenic
I-valve yokulawula i-pneumatic cryogenic Isici sokugeleza | Linear, amaphesenti, vula ngokushesha |
Ibanga elivumelekile | 50: 1 (CV<6.3 30: 1) |
Inani le-Cv elilinganiselwe | Iphesenti le-CV1.6~630,umugqa CV1.8~690 |
Ivalvu elawulayo ye-cryogenic ye-pneumatic Ukuvuza okuvumelekile | Insimbi yensimbi: Ibanga le-IV(0.01% umthamo olinganiselwe) Uphawu oluthambile: Ibanga le-VI(izinga legwebu) Ukuvuza okujwayelekile: GB/T 4213 |
I-pneumatic cryogenic regulating valve Performance | |
Iphutha langaphakathi % | ±1.5 |
Buyisela umehluko, % | ≤1.5 |
Indawo efile, % | ≤0.6 |
Umehluko ukusuka ekuqaleni ukuya endaweni yokugcina, % | ±2.5 |
Umehluko wokuhamba olinganiselwe, % | ≤2.5 |
2.6 Ipharamitha ye-actuator yevalvu yokulawula i-Cryogenic
Indlela yokulawula uhlobo lwevavu | I-actuator ye-pneumatic diaphragm |
PZMA-4~PZMA-7 | |
Uhlobo lwe-Multi-spring | |
Ukusetshenziswa | Uhlobo lokulawula, uhlobo LOKUVULIWE |
Umfutho wokuphakelwa komoya noma i-voltage yokuphakelwa kwamandla | Umfutho wokunikezwa komoya (ibanga lasentwasahlobo) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Isixhumi | Isixhumi sepayipi lomoya: RC1/4 |
Isenzo esiqondile | Ukunyuka kwengcindezi, isiqu siyehla, i-valve ivalekile. |
Ukusabela | Ukwanda kwengcindezi, ukukhuphuka kwesiqu, i-valve ivulekile. |
Isignali yokokufaka | 40~20mA.DC(nge-positioner) |
Lag | ≤1%FS(nge-positioner) |
Uhlobo lomugqa | 2%FS(nge-positioner) |
Izinga lokushisa kwemvelo | -10℃~+70℃ |
I-valve yokulawula i-pneumatic cryogenic Izesekeli | I-E/P, i-P/P valve positioner, isilawuli sesihlungi, isiguquli se-valve, i-solenoid valve, ukushintshwa okulinganiselwe Izesekeli ezingajwayelekile, zidinga amanothi enziwe ngokwezifiso akhethekile. |
2.7 Ipharamitha yobuchwepheshe yevalvu yokulawula i-Cryogenic
Ububanzi besihlalo(mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Ilinganiswe nge-Cv | Iphesenti | 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.usayizi | Ukuhamba | Inketho yokugeleza kwesici Cv.(★okujwayelekile ●kunconyiwe ○okwenziwe ngokwezifiso) | |||||||||||||
I-DN20 | 16 mm | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
I-DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
I-DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
I-DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN65 | 40mm | ○ | ○ | ○ | ★ | ||||||||||
I-DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
I-DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
I-DN125 | 60mm | ○ | ○ | ○ | ★ | ||||||||||
I-DN150 | ○ | ○ | ● | ★ | |||||||||||
I-DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
I-actuator ye-pneumatic Indawo ye-diaphragm, Ae(cm2) | I-PZMA-4 | I-PZMA-5 | I-PZMA-6 | I-PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Isenzo | Ibanga lasentwasahlobo | I-valve yokulawula i-pneumatic cryogenic Umehluko ovunyelwe wengcindezi yokuvala uphawu (MPa) | |||||||||||||
Umoya uvulekile | 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 | |
Umoya usondele | 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 |