2.1 mpempe akwụkwọ
Pneumatic cryogenic valve njikwa ụdị ahụ: | kwụ ọtọ site na nkedo globe ụdị |
Ụdị nkwụnye valvụ: | ụdị nkwụnye otu oche na-enweghị nha nha |
Nha aha: | DN20-200,,NPS 3/4〞~ 8〞 |
Nrụgide aha: | PN16 ~ 100,Klas 150LB ~ 600LB |
Njikọ: flange: | FF,RF,MF,RTJ |
ịgbado ọkụ: | SW,BW |
Akụkụ flange: | Dị ka IEC 60534 si kwuo |
Pneumatic cryogenic valvụ na-achịkwa ụdị Bonnet: | Ⅲ: Obere okpomọkụ agbatị ụdị(-196℃~ 45℃) |
Nkwakọ ngwaahịa: | Ụdị V PFTE mbukota, mgbanwe.ngwugwu graphite, wdg. |
Akpa akpa: | Metal graphite mbukota |
valvụ na-achịkwa pneumatic cryogenic valvụ Onye na-eme ihe: | Pneumatic: multi-spring diaphragm actuator, piston ụdị actuator. |
2.2 Cryogenic akara valve nhazi eserese
2.3 Cryogenic akara valve ndepụta ndepụta
Aha akụrụngwa | Ihe njikwa Valve |
Ahụ/Bonnet | LCB/LCC/LF2/CF8/CF8M/CF3M |
Valve spool/oche | 304/316/316L (ihe mkpuchi stelite alloy) |
Nkwakọ ngwaahịa | Okiri:-196~150℃bụ PTFE |
Gasket | Nkịtị: igwe anaghị agba nchara nwere graphite na-agbanwe agbanwe, Pụrụ iche: Metal eze ụdị gasket |
Mkpuchi diaphragm | Nkịtị:Q235, Pụrụ iche:304 |
Diaphragm | NBR nwere akwa polyester agbasiri ike |
Mmiri | Nkịtị:60Si2Mn, Pụrụ iche:50CrVa |
valvụ nchịkwa nchịkwa | 2Cr13/17-4PH/304/316/316L |
2.4Low okpomọkụ ihe adabara okpomọkụ ndepụta
Nkedo | Na-akpụ akpụ | ||
Akụrụngwa | Kachasị arụ ọrụ okpomọkụ | Akụrụngwa | Kachasị arụ ọrụ okpomọkụ |
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 akara valve arụmọrụ
valvụ na-achịkwa pneumatic cryogenic Njirimara mgbawa | Linear, pasent, mepere emepe ngwa ngwa |
Oke ekwenyere | 50:1 (CV <6.3 30:1) |
Ọnụ ahịa CV | Pasent CV1.6 ~ 630,linear CV1.8 ~ 690 |
valvụ na-achịkwa pneumatic cryogenic ebili mmiri | Metal akara: IV ọkwa(0.01% kwadoro ikike) Akara dị nro: ọkwa VI(ọkwa ụfụfụ) Ọkọlọtọ mkpofu: GB/T 4213 |
Pneumatic cryogenic valvụ na-achịkwa arụmọrụ | |
Njehie dị n'ime % | ±1.5 |
Ọiche nloghachi,% | ≤1.5 |
Mpaghara nwụrụ anwụ,% | ≤0.6 |
Ọdịiche site na mmalite ruo na njedebe,% | ±2.5 |
Egotara ọdịiche njem,% | ≤2.5 |
2.6 Cryogenic akara valve actuator paramita
Usoro Ụdị Valve Control | Pneumatic diaphragm actuator |
PZMA-4~PZMA-7 | |
Multi-mmiri ụdị | |
Ojiji | Ụdị na-achịkwa, ụdị ON-OFF |
Nrụgide ikuku ma ọ bụ voltaji ọkọnọ ike | Nrụgide ikuku (oke mmiri) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Njikọ | Njikọ ọkpọkọ ikuku: RC1/4 |
Ime ihe ozugbo | Mmụba nrụgide, stem na-agbada, valvụ nso. |
Mmeghachi omume | Mmụba nrụgide, azuokokoosisi arịgoro, valvụ meghere. |
Mgbama ntinye | 40~20mA.DC(na positioner) |
Lag | ≤1% FS(na positioner) |
Ụdị ahịrị | 2% FS(na positioner) |
Okpomọkụ gburugburu | -10℃~+70℃ |
valvụ na-achịkwa pneumatic cryogenic Ngwa ngwa | E/P, P/P valvụ positioner, nzacha regulator, valvụ Ntụgharị, solenoid valvụ, mmachi mgba ọkụ Ngwa ndị na-abụghị ọkọlọtọ, chọrọ ndetu ahaziri iche pụrụ iche. |
2.7 Cryogenic akara valvụ teknụzụ oke
Dayameta oche (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Egotara CV | Pasent | 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 | |
Nọmba.nha | Njem | Njirimara mgbaba nhọrọ Cv.( ★ ọkọlọtọ ● kwadoro ○ ahaziri ) | |||||||||||||
DN20 | 16 mm | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DNA65 | 40mm | ○ | ○ | ○ | ★ | ||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN125 | 60mm | ○ | ○ | ○ | ★ | ||||||||||
DN150 | ○ | ○ | ● | ★ | |||||||||||
DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
Onye na-eme pneumatic Mpaghara diaphragm, Ae(cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Omume | Oke mmiri | valvụ na-achịkwa pneumatic cryogenic Ọdịiche nrụgide enwere ike imechi metal (MPa) | |||||||||||||
Ikuku mepere | 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 | |
Ikuku nso | 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 |