Usoro ihe mkpuchi mkpuchi Cryogenic Mgbanwe
Ihe mkpuchi kachasị elu: Usoro Cryogenic Insulated Flexible Hose na-agụnye ihe mkpuchi dị elu, nke na-ebelata mbufe ọkụ nke ọma. Ihe mkpuchi a na-achọpụta na mmiri mmiri cryogenic na-edobe okpomọkụ ha chọrọ n'ogologo ogologo nke eriri ahụ, na-eme ka usoro nhazi dị mma na ibelata oriri ike.
Mgbanwe mgbanwe: Ezubere ya na mgbanwe n'uche, hoses anyị na-enye ntinye na nrụnye dị mfe ọbụlagodi na oghere siri ike. Mgbanwe ahụ na-ewepụkwa mkpa maka ihe ndị siri ike na mgbagwoju anya, na-ebelata ohere nke kinks na leaks. Njirimara a na-eme ka mmiri na-asọ nke ọma, na-eme ka nchekwa ọrụ dịkwuo mma, ma na-ebelata oge nkwụsị.
Ọdịnaya Pụrụ Iche: A na-emezi Cryogenic Insulated Flexible Hoses ka ọ nagide oke okpomọkụ, guzogide corrosion, na ịtachi obi nrụsi ọrụ ike. Ojiji nke ihe ndị dị oke ọnụ na usoro nrụpụta dị elu na-eme ka ịdịte aka na ntụkwasị obi dị elu, na-eme ka hoses ndị a dị mma maka ngwa cryogenic siri ike.
Ngwọta a na-ahazi: N'ụlọ ọrụ mmepụta ihe anyị, anyị na-enye nhọrọ nhazi maka Cryogenic Insulated Flexible Hose Series. Ndị ahịa nwere ike ịhọrọ site na nha dị iche iche, njikọ njedebe, na ọkpụrụkpụ mkpuchi, na-eme ka hoses dabara na ihe ha chọrọ. Ndị otu ndị ọkachamara anyị dị ngwa ngwa iji nyere aka n'ịmepụta ngwọta zuru oke maka mkpa njem mmiri mmiri cryogenic gị.
Vidiyo
Vacuum mkpuchi ọkpọkọ
Vacuum Insulated Hose (vacuum hose), ya bụ Vacuum Jacketed Hose, dị ka ihe zuru oke n'ọnọdụ mkpuchi ọkpọkọ. N'iji ya na mkpuchi ọkpọkọ nke a na-ahụkarị, uru mgbapụta okpomọkụ nke VIP bụ naanị oge 0.05 ~ 0.035 nke mkpuchi ọkpọkọ. Chekwaa ike na ọnụ ahịa ndị ahịa nke ọma.
Usoro ngwaahịa nke Vacuum Insulated Hose, Vacuum Insulated Pipe, Vacuum Insulated Valve, na Phase Separator na HL Cryogenic Equipment Company, nke gafere usoro ọgwụgwọ teknụzụ siri ike, na-eji maka ịnyefe oxygen mmiri mmiri, nitrogen mmiri mmiri, argon mmiri mmiri, mmiri mmiri hydrogen, mmiri mmiri helium, LEG na LNG, na ngwaahịa ndị a na-eje ozi maka cryogenic akụrụngwa (eg cryogenic tank, dewar na coldbox wdg) na ụlọ ọrụ nke ikuku nkewa, gas, ụgbọ elu, electronics, superconductor, ibe, ahịa ọgwụ, ụlọ ọgwụ, biobank. , nri & ihe ọṅụṅụ, automation mgbakọ, roba, ọhụrụ ihe n'ichepụta chemical engineering, ígwè & ígwè, na sayensị nnyocha wdg.
Ụdị Njikọ anọ
Iji bulie mkpa dị iche iche nke ndị ahịa, a na-enwekarị ụdị njikọ anọ maka VI Flexible Hose. Ụdị njikọ atọ mbụ na-emetụta naanị na ọnọdụ njikọ dị n'etiti VI Flexible Hoses. Nke anọ, ụdị njikọ eriri na-ejikarị naanị maka njikọ VI Hose na akụrụngwa na tank nchekwa.
Mgbe VI Flexible Hose jikọtara ya na akụrụngwa, tankị nchekwa na ihe ndị ọzọ, enwere ike ịhazi njikọ njikọ dịka ihe ndị ahịa chọrọ.
Oke ngwa
Vacuum Bayonetị Njikọ Ụdị na Clamps | Ụdị Njikọ Vacuum Bayonet nwere Flanges na Bolts | Ụdị Njikọ Welded | Ụdị njikọ njikọ eriri | |
Ụdị njikọ | Mkpọchi | Flanges na bolts | Weld | eri |
Ụdị mkpuchi na nkwonkwo | Vacuum | Vacuum | Perlite ma ọ bụ Vacuum | Ngwa mkpuchi mkpuchi mkpuchi |
Ọgwụgwọ mkpuchi mkpuchi na saịtị | No | No | Ee, perlite jupụtara n'ime ma ọ bụ na-ekpochapụ mgbapụta site na mkpuchi mkpuchi mkpuchi na nkwonkwo. | Ee |
Ọnụ ala dayameta nke Inner Pipe | DN10(3/8")~DN25(1") | DN10(3/8")~DN80(3") | DN10(3/8")~DN150(6") | DN10(3/8")~DN25(1") |
Nrụgide imewe | ≤8 mmanya | ≤16 mmanya | ≤40 mmanya | ≤16 mmanya |
Nwụnye | Mfe | Mfe | Weld | Mfe |
Imepụta okpomọkụ | -196℃~ 90℃ (LH2 & LHe:-270℃ ~ 90℃) | |||
Ogologo | ≥ 1 mita/pcs | |||
Ihe onwunwe | 300 Series igwe anaghị agba nchara | |||
Ọkara | LN2, LOX, LAr, LHe, LH2, LNG |
Ihe mkpuchi mkpuchi
Oke ngwaahịa nke nnweta
Ngwaahịa | Nkọwapụta | Njikọ Vacuum Bayonet na Clamps | Njikọ Vacuum Bayonet na Flanges na Bolts | Weld mkpuchi mkpuchi | Njikọ eriri |
Vacuum mkpuchi mkpuchi na-agbanwe agbanwe | DN8 | EE | EE | EE | EE |
DN15 | EE | EE | EE | EE | |
DN20 | EE | EE | EE | EE | |
DN25 | EE | EE | EE | EE | |
DN32 | / | EE | EE | / | |
DN40 | / | EE | EE | / | |
DN50 | / | EE | EE | / | |
DN65 | / | EE | EE | / | |
DN80 | / | EE | EE | / | |
DN100 | / | / | EE | / | |
DN125 | / | / | EE | / | |
DN150 | / | / | EE | / |
Njirimara nka nka
Imepụta okpomọkụ | -196~90℃ (LHe:-270~90℃) |
Okpomọkụ gburugburu | -50 ~ 90 ℃ |
Ọnụego mkpofu agụụ | ≤1*10-10Pa*m3/S |
Ọkwa Vacuum mgbe nkwa gachara | ≤0.1 Pa |
Usoro mkpuchi | Igwe mkpuchi Multi-Layer High Vacuum. |
Adsorbent na Getter | Ee |
Nnwale Nrụgide | 1.15 ugboro imewe nrụgide |
Ọkara | LO2, LN2, LAr, LH2, LHe, LEG, LNG |
Ọkụ na-agbanwe agbanwe na Static Vacuum Mkpuchi Mgbanwe Ọkpụkpọ
Enwere ike kewaa Vacuum mkpuchi (VI) na-agbanwe agbanwe ka ọ bụrụ Dynamic na Static VI Flexible Hose.
lThe Static VI Hose emechaala nke ọma na ụlọ ọrụ mmepụta ihe.
lA na-enye Sistemụ Dynamic VI ka ọnọdụ oghere kwụsiri ike site na ịgbapụta sistemu mgbapụta agụụ na-aga n'ihu na saịtị, yana ọgwụgwọ agụụ agaghịkwa adị na ụlọ ọrụ mmepụta ihe. Ndị ọzọ nke mgbakọ na usoro ọgwụgwọ ka dị na ụlọ ọrụ mmepụta ihe. Yabụ, Dynamic VJ Pipe kwesịrị ka ejiri Sistemụ Mgbapụta Vacuum.
Vacuum mkpuchi mkpuchi Hose na-agbanwe agbanwe | Ọkụ na-agbanwe agbanwe Static Vacuum Mkpuchi Mgbanwe | |
Okwu mmalite | A na-enyocha ogo oghere nke oghere interlayer mgbe niile, a na-achịkwa mgbapụta ikuku na-akpaghị aka imeghe ma mechie, iji hụ na nkwụsi ike na ịdị irè nke ogo agụụ. | VJHose na-agbanwe agbanwes mezue ọrụ mkpuchi ikuku na ụlọ ọrụ mmepụta ihe. |
Uru | The agụụ njide ka kwụsiri ike, isi kpochapụ agụụ na-arụ ọrụ n'ọdịnihu. | Ego ndị ọzọ na-echekwa akụ na ụba na ntinye dị mfe na saịtị |
Ụdị Njikọ Vacuum Bayonet nwere ihe mgbochi | Ngwa | Ngwa |
Ụdị Njikọ Vacuum Bayonet nwere Flanges na Bolts | Ngwa | Ngwa |
Ụdị Njikọ Welded | Ngwa | Ngwa |
Ụdị njikọ njikọ eriri | Ngwa | Ngwa |
Vacuum mkpuchi mkpuchi na-agbanwe agbanwe HoseSistemu: Ihe mejupụtara Vacuum Flexible Hoses, Jumper Hoses na Vacuum Pump System (gụnyere nfuli agụụ, valvụ solenoid na oghere oghere). Awụnyere ngwa ngwa n'ime obere ụlọ. Ogologo otu Vacuum Insulated Flexible Hose nwere ike ịhazi dịka ihe ndị ahịa chọrọ.
2.Nkọwapụta na Nlereanya
HL-HX-X-000-00-X
Ụdị
Ngwa HL Cryogenic
Nkọwa
HD: Dynamic VI Hose
HS: Static VI Hose
Ụdị njikọ
W: Ụdị Njikọ Welded
B: Vacuum Bayonet Njikọ Ụdị na Clamps
F: Ụdị Njikọ Vacuum Bayonet nwere Flanges na bolts
T: Thread Njikọ Njikọ
Ọnụ ala dayameta nke Inner Pipe
010: DN10
…
080: DN80
…
150: DN150
Nrụgide imewe
08: 8 ụlọ
16:16 ụlọ mmanya
25:25 bar
32:32 bar
40: 40 bar
Ihe nke Inner Pipe
A: SS304
B: SS304L
C: SS316
D: SS316L
E: Ndị ọzọ
3.1 Static Vacuum Insulated Cryogenic Flexible Hose
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHSB01008X | Ụdị Njikọ Vacuum Bayonet nwere ihe mgbachi maka Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 mmanya
| 300 Series igwe anaghị agba nchara | ASME B31.3 | X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHSB01508X | DN15, 1/2" | |||||
HLHSB02008X | DN20, 3/4" | |||||
HLHSB02508X | DN25, 1" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN25 ma ọ bụ 1".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 8 mmanya. Ma ọ bụ họrọ Ụdị Njikọ Vacuum Bayonet na Flanges na Bolts (≤16 mmanya), Ụdị Njikọ Welded (≤40 mmanya)
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHSF01000X | Ụdị Njikọ Vacuum Bayonet nwere Flanges na Bolts maka Ọkpụkpụ Vacuum Insulated Flexible Hose | DN10, 3/8" | 8-16 mmanya | 300 Series igwe anaghị agba nchara | ASME B31.3 | 00: Nrụgide imewe. 08 bụ 8 bar, 16 bụ 16 bar.
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHSF01500X | DN15, 1/2" | |||||
HLHSF02000X | DN20, 3/4" | |||||
HLHSF02500X | DN25, 1" | |||||
HLHSF03200X | DN32, 1-1/4" | |||||
HLHSF04000X | DN40, 1-1/2" | |||||
HLHSF05000X | DN50, 2" | |||||
HLHSF06500X | DN65, 2-1/2" | |||||
HLHSF08000X | DN80, 3" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN80 ma ọ bụ 3".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ Ụdị Njikọ Welded (≤40 mmanya).
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHSW01000X | Ụdị Njikọ Welded maka Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8-40 mmanya | 300 Series igwe anaghị agba nchara | ASME B31.3 | 00: Nrụgide imewe 08 bụ 8 bar, 16 bụ 16 bar, na 25, 32, 40.
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHSW01500X | DN15, 1/2" | |||||
HLHSW02000X | DN20, 3/4" | |||||
HLHSW02500X | DN25, 1" | |||||
HLHSW03200X | DN32, 1-1/4" | |||||
HLHSW04000X | DN40, 1-1/2" | |||||
HLHSW05000X | DN50, 2" | |||||
HLHSW06500X | DN65, 2-1/2" | |||||
HLHSW08000X | DN80, 3" | |||||
HLHSW10000X | DN100, 4" | |||||
HLHSW12500X | DN125, 5" | |||||
HLHSW15000X | DN150, 6" |
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHST01000X | Ụdị Njikọ Vacuum Bayonet nwere ihe mgbachi maka Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8-16 mmanya | 300 Series igwe anaghị agba nchara | ASME B31.3 | 00: Nrụgide imewe. 08 bụ 8 bar, 16 bụ 16 bar.
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHSB01500X | DN15, 1/2" | |||||
HLHSB02000X | DN20, 3/4" | |||||
HLHSB02500X | DN25, 1" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN25 ma ọ bụ 1".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ Ụdị Njikọ Welded (≤40 mmanya)
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
3.2 Sistemụ ọkpọkọ mkpuchi mkpuchi na-agbanwe agbanwe
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHDB01008X | Ụdị Njikọ Vacuum Bayonet nwere ihe mgbachi maka Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 mmanya
| 300 Series igwe anaghị agba nchara | ASME B31.3 | X:Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHDB01508X | DN15, 1/2" | |||||
HLHDB02008X | DN20, 3/4" | |||||
HLHDB02508X | DN25, 1" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN25 ma ọ bụ 1".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 8 mmanya. Ma ọ bụ họrọ Ụdị Njikọ Vacuum Bayonet na Flanges na Bolts (≤16 mmanya), Ụdị Njikọ Welded (≤40 mmanya)
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Ọnọdụ ike:Saịtị ahụ kwesịrị ịnye ike na nfuli oghere ma gwa HL Cryogenic Equipment ozi ọkụ eletrik mpaghara (Voltage na Hertz).
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHDF01000X | Ụdị Njikọ Vacuum Bayonet nwere Flanges na Bolts maka Vacuum Insulated Flexible Hose | DN10, 3/8" | 8-16 mmanya | 300 Series igwe anaghị agba nchara | ASME B31.3 | 00: Nrụgide imewe. 08 bụ 8 bar, 16 bụ 16 bar.
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHDF01500X | DN15, 1/2" | |||||
HLHDF02000X | DN20, 3/4" | |||||
HLHDF02500X | DN25, 1" | |||||
HLHDF03200X | DN32, 1-1/4" | |||||
HLHDF04000X | DN40, 1-1/2" | |||||
HLHDF05000X | DN50, 2" | |||||
HLHDF06500X | DN65, 2-1/2" | |||||
HLHDF08000X | DN80, 3" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN80 ma ọ bụ 3".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ Ụdị Njikọ Welded (≤40 mmanya).
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Ọnọdụ ike:Saịtị ahụ kwesịrị ịnye ike na nfuli oghere ma gwa HL Cryogenic Equipment ozi ọkụ eletrik mpaghara (Voltage na Hertz).
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHDW01000X | Ụdị Njikọ Welded maka Vacuum Mkpuchi Mgbanwe Mgbanwe | DN10, 3/8" | 8-40 mmanya | Igwe anaghị agba nchara 304, 304L, 316, 316L | ASME B31.3 | 00: Nrụgide imewe 08 bụ 8 bar, 16 bụ 16 bar, na 25, 32, 40. .
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHDW01500X | DN15, 1/2" | |||||
HLHDW02000X | DN20, 3/4" | |||||
HLHDW02500X | DN25, 1" | |||||
HLHDW03200X | DN32, 1-1/4" | |||||
HLHDW04000X | DN40, 1-1/2" | |||||
HLHDW05000X | DN50, 2" | |||||
HLHDW06500X | DN65, 2-1/2" | |||||
HLHDW08000X | DN80, 3" | |||||
HLHDW10000X | DN100, 4" | |||||
HLHDW12500X | DN125, 5" | |||||
HLHDW15000X | DN150, 6" |
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Ọnọdụ ike:Saịtị ahụ kwesịrị ịnye ike na nfuli oghere ma gwa HL Cryogenic Equipment ozi ọkụ eletrik mpaghara (Voltage na Hertz).
Model | NjikọỤdị | Ọnụ ala dayameta nke Inner Pipe | Nrụgide imewe | Ihe onwunwenke Inner Pipe | Ọkọlọtọ | kwuo |
HLHDT01000X | Ụdị Njikọ Vacuum Bayonet nwere ihe mgbachi maka Vacuum Insulated Flexible Hose | DN10, 3/8" | 8-16 mmanya | 300 Series igwe anaghị agba nchara | ASME B31.3 | 00: Nrụgide imewe. 08 bụ 8 bar, 16 bụ 16 bar.
X: Ihe nke Inner Pipe. A bụ 304, B bụ 304L. C bụ 316. D bụ 316L, E bụ nke ọzọ. |
HLHDB01500X | DN15, 1/2" | |||||
HLHDB02000X | DN20, 3/4" | |||||
HLHDB02500X | DN25, 1" |
Ọnụ ala dayameta nke ọkpọkọ ime:Akwadoro ≤ DN25 ma ọ bụ 1".
Ọnụ ala dayameta nke ọjà dị n'èzí:Akwadoro site n'ụkpụrụ ụlọ ọrụ nke HL Cryogenic Equipment. Enwere ike imepụta ya dịka ihe onye ahịa chọrọ.
Nrụgide imewe: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ ụdị njikọ Welded (≤40 mmanya)
Ihe nke Mpụpụ Pipe: Na-enweghị ihe pụrụ iche chọrọ, a ga-ahọrọ ihe nke ọkpọ n'ime na n'èzí.
Ọnọdụ ike:Saịtị ahụ kwesịrị ịnye ike na nfuli oghere ma gwa HL Cryogenic Equipment ozi ọkụ eletrik mpaghara (Voltage na Hertz).