Inahụ China Volum na-agbanwe usoro
Nkọwapụta ngwa ngwa:
- Textlọ Ọrụ Mmekọ Ahụ Maka Nzuzo Dị Mma
- Nhazi na mgbanwe maka nrụnye dị mfe ma gbanwee
- Ihe na-adịgide adịgide na corrosion na-eguzogide na-akwado ịdị na-enwe ogologo oge
- Onu ogugu na-eri arụmọrụ na nke dị elu site na ụlọ ọrụ ndị China na-eduga
Nkọwapụta ngwaahịa: dị ka ihe nrụpụta na-eduga na China, anyị dị mpako iji gosipụta usoro okpukpe China Volum na-agbanwe ngwa ngwa chọrọ iji zute ihe siri ike nke ngwa ụlọ ọrụ. Usoro ahia a zuru oke na-ejikọ teknụzụ mkpuchi ahụ dị elu, emepụta mmepụta nke na-agbanwe agbanwe, na-ewulite ya maka ndị ọrụ na-achọ ihe ngwọta dị elu.
Templation Insurish Insurish: faili China Vatuum na-agbanwe usoro usoro nhazi nke oghere nke oghere. Ihe omume dị elu a dị oke mkpa maka ọrụ dị iche iche ebe ọ na-anọgide na-enwe oge ụfọdụ dị mkpa maka sistemụ arụmọrụ kachasị mma, arụmọrụ ike.
Ihe okike na nke mgbanwe: Ezubere maka nrụnye dị mfe na mgbatị, hoses na-agbanwe agbanwe na-enye ọkwa mgbanwe maka ngwa ụlọ ọrụ dị iche iche. Ma ọ na-agagharị site na okirikiri dị mgbagwoju anya ma ọ bụ ịnabata mmegharị dị omimi, mgbanwe nke hoses anyị na-eme ka njikọta na arụmọrụ a pụrụ ịdabere na ya, na-etolite arụmọrụ arụmọrụ.
Ihe ndị na - adịgide adịgide na corrosion ihe ndị ọzọ na - adịgide adịgide na ihe mgbochi na corrosion, ndị ọzọ na - emegharị gburugburu ebe obibi, na - enwe ntụkwasị obi ogologo oge na ihe ndozi obere oge na ihe ndozi. Oge a dị mkpa maka ndị ọrụ ebe nguzosi ike n'ezi ihe nke hose dị oke mkpa iji gbochie ikuku mmiri na-agbanwe agbanwe.
Ntanetị-dị mma na nke dị elu na nke dị elu: na ebe nrụpụta China, anyị na-ebute arụmọrụ nke na-erughị ogo. Site n'ịnọgide na-arụ ọrụ nke ọma na usoro njikwa dị mma, anyị na-ahụ na usoro mkpuchi dị iche iche na-agbanwe ngwa ngwa, na-enye oke ọnụ ahịa maka azụmaahịa na-achọ ihe ngwọta dị elu.
Na nkọwa, Ikukution China Valluum na-agbanwe usoro ihe dị mkpa site na nkwa anyị na-erute ná nkwa anyị na-eme ka ihe ọhụrụ, agụụ, na ọnụ ahịa - arụmọrụ. Site na ijikọ teknụzụ insumation dị elu, ihe na-agbanwe agbanwe, ihe na-agbanwe agbanwe, ihe ndị na-adịgide adịgide, ma mezuo ikike arụ ọrụ dị iche iche, na-eme ka ọ bụrụ nhọrọ dị ọnụ maka azụmahịa na-achọ arụmọrụ dị elu na-achọ oke arụmọrụ.
Vidio
Vakum suping
Velum innoulated hose (oghere oghere), ya bụ sọks jaketị ahụ, dị ka ihe nnọchibido zuru oke maka mkpuchi mkpuchi. E jiri ya tụnyere mkpuchi nke na-esi ísì ụtọ, uru ọkụ na-acha uhie uhie bụ naanị 0p 0.05 ~ 0.035 nke mkpuchi ọkpọkọ. Na-echekwa ike na ụgwọ maka ndị ahịa.
A na-eji usoro nke oghere a na-ahụ maka oghere, valum insulated pipe, na-agagharị na-ebugharị usoro ọgwụgwọ mmiri, nke na-agagharị, na ngwaahịa ndị a na-arụ ọrụ maka ngwa agha (eg crygenic, Dewar na oyixbox wdg) N'aslọ ọrụ nke contermes nke ikuku, gas, ihe oriri na nkwakọba ihe, igwe na-arụ ọrụ, na nyocha sayensị wdg.
Akụkụ anọ
Iji mee ka mkpa dị iche iche nke ndị ahịa, enwere ụdị njikọ anọ maka hose soom. Akụkụ atọ ndị mbụ na-emetụta naanị ọnọdụ njikọ dị n'etiti hoses na-agbanwe agbanwe. A na-eji ụdị njikọ nke anọ, nke eji eji eme ihe naanị maka njikọ njikọ nke vine sons na akụrụngwa na ụgbọ mmiri.
Mgbe VI na-agbanwe agbanwe na akụrụngwa, nchekwa nchekwa na ndị ọzọ, enwere ike ịhazi njikọ njikọ dị ka achọrọ.
Akwukwo akwukwo
VAcuum bayonet Pinney na clamps | Vayum bayonet ụdị na flanges na bolts | Ụdị ejiji | Ụdị njikọ njikọ njikọ | |
Ụdị njikọ | Clamps | Flonses na bolts | Weld | Eri |
Ụdị mkpuchi na nkwonkwo | Oghomum | Oghomum | Perlite ma ọ bụ oghere | Na-akpọ nkụ |
Ọgwụ mgbochi na saịtị | No | No | Ee, perlite jupụtara n'ime ma ọ bụ oghere wụpụ site na uwe ejiji na nkwonkwo ụkwụ. | Okwukwe |
Ọkwa ọkwa nke ọkpọkọ | DN10 (3/8 ") ~ DN25 (1") | DN10 (3/8 ") ~ DN80 (3") | DN10 (3/8 ") ~ DN150 (6") | DN10 (3/8 ") ~ DN25 (1") |
Ntuli aka | ≤8 mmanya | ≤16 mmanya | ≤40 mmanya | ≤16 mmanya |
Echichi | Mfe | Mfe | Weld | Mfe |
Mepụta ọnọdụ okpomọkụ | -196 ℃ ~ 90 ℃ (lh2 & lhe: -270 ℃ ~ 90 ℃) | |||
Ogologo | ≥ 1 mita / PC | |||
Mgwooru | 300 usoro nchara nchara | |||
Keusoro | LN2, Lox, Lar, LHE, LH2, Lng |
Mkpuchi mkpuchi
Ngwaahịa nke ọkọnọ
Ihe emeputara ohuru | Nkowa | Vakum bayonet na clamps | Vakum bayonet na flanges na bolts | Weld esurated njikọ | Njikọ eri |
Vakum suplible na-agbanwe agbanwe | Do8 | Okwukwe | Okwukwe | Okwukwe | Okwukwe |
Dn15 | Okwukwe | Okwukwe | Okwukwe | Okwukwe | |
Dn20 | Okwukwe | Okwukwe | Okwukwe | Okwukwe | |
Dn25 | Okwukwe | Okwukwe | Okwukwe | Okwukwe | |
DN32 | / | Okwukwe | Okwukwe | / | |
DN40 | / | Okwukwe | Okwukwe | / | |
Do5 | / | Okwukwe | Okwukwe | / | |
Dn65 | / | Okwukwe | Okwukwe | / | |
Dn80 | / | Okwukwe | Okwukwe | / | |
Dn100 | / | / | Okwukwe | / | |
Dn125 | / | / | Okwukwe | / | |
Dn150 | / | / | Okwukwe | / |
Nkà na ụzụ
Mepụta ọnọdụ okpomọkụ | -196 ~ 90 ℃ (lhe: -270 ~ 90 ℃) |
Oke okpomoku | -50 ~ 90 ℃ |
Vakum na-acha uhie uhie | ≤1 * 10-10Pa * m3/S |
Valum larịị mgbe m kwere | ≤0.1 pa |
Usoro mkpuchi | Oke mkpuchi dị elu. |
Addorbent na onye na-enweta | Okwukwe |
Nrụgide ule | 1.15 ugboro |
Keusoro | Lo2, LN2, LN2, LH2, LHE, LE, LNG |
Dy ike na static na stasum
Enwere ike kewapụ insulated (VI) na-agbanwe agbanwe ike ke di ike na static vic vic na-agbanwe agbanwe.
lStatic VE VOSOS na-arụchasị arụ ọrụ.
lA na-enye VEF visk Vultum ọzọ nke zuru oke site na mgbapụta mgbapụta nke oghere oghere na saịtị, ọgwụgwọ agaghịkwa eme na ụlọ ọrụ ahụ. Ndị ọzọ nke mgbakọ ahụ na usoro ọgwụgwọ ka dị na ụlọ ọrụ na-arụpụta ihe. Yabụ, ike VJ PIPING kwesịrị ka enwee ya na sistemụ nrụpụta oghere.
Dynamic Valum Na-agbanwe agbanwe | Static Sverum Issulated na-agbanwe agbanwe | |
Ndubata | A na-achịkwa ọkwa nke oghere oghere ahụ na-aga n'ihu, na oghere mgbapụta na-akpaghị aka imeghe ma mechie, iji hụ na nkwụsi ike na ogo nke oghere | VjNa-agbanwe agbanweS mechaa mkpuchi mkpuchi na-arụ ọrụ na osisi na-arụpụta ihe. |
Uru | Ibe oghere ahụ na-akwụsi ike karị, na-eme ka oghere dị mma n'ọdịnihu na-arụ ọrụ. | Ego na-abawanye ụba na ntinye saịtị dị mfe |
Vayum bayonet ụdị na clamps | Ocho oru | Ocho oru |
Vayum bayonet ụdị na flanges na bolts | Ocho oru | Ocho oru |
Ụdị ejiji | Ocho oru | Ocho oru |
Ụdị njikọ njikọ njikọ | Ocho oru | Ocho oru |
Valum valum suplivable hkeeheSistem: mejupụtara oghere na-agbanwe agbanwe na hoses na-agbanwe agbanwe, jumple hoses na oghere oghere (gụnyere nfuli ikuku, valuum valum na oghere). Arụnyere n'ụzọ dị mfe n'ime obere ụlọ. Ogologo nke otu oghere na-agbanwe agbanwe na-agbanwe agbanwe dị ka ihe ndị ahịa chọrọ.
2.Specification na Model
HL-HX-X-000-00-X
Udi anumanu
HL Crydogenic akụrụngwa
Nkowa
HD: Dranic Vic di omimi
HS: Static VE HOSOS
Ụdị njikọ
W: ejikọ njikọ
B: Velum bayonet na clamps
F: Valluum bayonet na-eji flanges na bolts
T: Nkwonkwo njikọ njikọ
Ọkwa ọkwa nke ọkpọkọ
010: DN10
...
080: DN80
...
150: DN150
Ntuli aka
08: 8Bar
16: 16bar
25 Bata
32: 32Ba
40: 40Bar
Ihe nke ime n'ime
A: SS304
B: SS304L
C: SS316
D: ss31l
E: Ndị ọzọ
3.1 Static Scrulated Moogenic na-agbanwe agbanwe
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHSB01008X | Vayum bayonet dị na clamps maka static statum supsum ensulated na-agbanwe agbanwe | DN10, 3/8 " | 8 mmanya
| 300 usoro nchara nchara | Asme B31.3 | X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị ọzọ. |
HlhsB01508X | DN15, 1/2 " | |||||
HlhsB02008X | DN20, 3/4 " | |||||
HlhsB02508X | Dn25, 1 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN25 ma ọ bụ 1 ". Ma ọ bụ họrọ ụdị njikọ na flancs na bont (site na DN10, 3/8" na DN150, 6 ")
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 8 mmanya. Ma ọ bụ họrọ ụdị oghere na flanges na bolts (≤16 mmanya), ụdị njikọ (≤40 mmanya)
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HlhsF01000x | Vayum bayonet dị na flanges na bolts maka static statum clonimated na-agbanwe agbanwe | DN10, 3/8 " | 8 ~ 16 mmanya | 300 usoro nchara nchara | Asme B31.3 | 00: Usoro nrụgide. 08 bụ 8Bar, 16 bụ 16Bar.
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị 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 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN80 ma ọ bụ 3 ".
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ ụdị njikọ ahụ (≤40 mmanya).
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHSW01000x | ALDED Consdị Njikọ maka Static Static Svenimated na-agbanwe agbanwe | DN10, 3/8 " | 8 ~ 40 Bar | 300 usoro nchara nchara | Asme B31.3 | 00: Ntuli aka 08 bụ 8Bar, 16 bụ iri na isii, na 25, 40.
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị 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 " | |||||
HLhw10000x | Dn100, 4 " | |||||
HLhw12500x | Dn125, 5 " | |||||
HLhw15000x | DN150, 6 " |
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHST01000x | Vayum bayonet dị na clamps maka static statum supsum ensulated na-agbanwe agbanwe | DN10, 3/8 " | 8 ~ 16 mmanya | 300 usoro nchara nchara | Asme B31.3 | 00: Usoro nrụgide. 08 bụ 8Bar, 16 bụ 16Bar.
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị ọzọ. |
HlhsB01500x | DN15, 1/2 " | |||||
HlhsB02000x | DN20, 3/4 " | |||||
HlhsB02500x | Dn25, 1 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN25 ma ọ bụ 1 ". Ma ọ bụ họrọ ụdị njikọ na flancs na bont (site na DN10, 3/8" na DN150, 6 ")
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ ụdị njikọ ahụ (≤40 mmanya)
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
3.2dynamic Wellum System
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHDB01008X | Vayum bayonet ụdị na clamps maka oghere nwere oghere ikuku na-agbanwe agbanwe | DN10, 3/8 " | 8 mmanya
| 300 usoro nchara nchara | Asme B31.3 | X:Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị ọzọ. |
HlhDb01508X | DN15, 1/2 " | |||||
HlhDb02008X | DN20, 3/4 " | |||||
HlhDb02508X | Dn25, 1 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN25 ma ọ bụ 1 ". Ma ọ bụ họrọ ụdị njikọ na flancs na bont (site na DN10, 3/8" na DN150, 6 ")
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 8 mmanya. Ma ọ bụ họrọ ụdị oghere na flanges na bolts (≤16 mmanya), ụdị njikọ (≤40 mmanya)
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Ọnọdụ ike:Saịtị ahụ kwesịrị inye ike na nfuli oghere ma na-agwa obere ngwa ọrụ ọkụ eletrik na mpaghara (voltaji na Hertz).
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHDF01000x | Vayum bayonet na flanges na bolts maka oghere nwere ike imeghari | DN10, 3/8 " | 8 ~ 16 mmanya | 300 usoro nchara nchara | Asme B31.3 | 00: Usoro nrụgide. 08 bụ 8Bar, 16 bụ 16Bar.
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị 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 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN80 ma ọ bụ 3 ".
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ ụdị njikọ ahụ (≤40 mmanya).
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Ọnọdụ ike:Saịtị ahụ kwesịrị inye ike na nfuli oghere ma na-agwa obere ngwa ọrụ ọkụ eletrik na mpaghara (voltaji na Hertz).
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHDW01000x | ALDED Condị Njikọ maka oghere Dynaic | DN10, 3/8 " | 8 ~ 40 Bar | Nchara nchara 304, 304l, 316, 316L 316L | Asme B31.3 | 00: Ntuli aka 08 bụ 8Bar, 16 bụ iri na isii, na 25, 40. .
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị 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 " | |||||
HLdw10000x | Dn100, 4 " | |||||
HLdw12500x | Dn125, 5 " | |||||
HLdw15000x | DN150, 6 " |
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Ọnọdụ ike:Saịtị ahụ kwesịrị inye ike na nfuli oghere ma na-agwa obere ngwa ọrụ ọkụ eletrik na mpaghara (voltaji na Hertz).
Moezel | NjikotaUdi | Ọkwa ọkwa nke ọkpọkọ | Ntuli aka | Mgwoorunke ọkpọkọ n'ime | Standadi | Remaaki |
HLHDT01000x | Vayum bayonet ụdị na clamps maka oghere nwere oghere ikuku na-agbanwe agbanwe | DN10, 3/8 " | 8 ~ 16 mmanya | 300 usoro nchara nchara | Asme B31.3 | 00: Usoro nrụgide. 08 bụ 8Bar, 16 bụ 16Bar.
X: Ihe nke ime n'ime. A bụ 304, B bụ 304l, C dị 316, D bụ 316L, E bụ ndị ọzọ. |
HlhDb01500x | DN15, 1/2 " | |||||
HlhDb02000x | DN20, 3/4 " | |||||
HlhDb02500x | Dn25, 1 " |
Onu ogugu nke pipe dị n'ime:Akwadoro ≤ DN25 ma ọ bụ 1 ". Ma ọ bụ họrọ ụdị njikọ na flancs na bont (site na DN10, 3/8" na DN150, 6 ")
Nnọọ ọkwa nke ọkpọkọ:A na-atụ aro site na Standard Standard of HL Cryogenic akụrụngwa. Ọ nwekwara ike mepụta ya dịka ihe achọrọ nke onye ahịa.
Nrụpụta Nchepụta: Akwadoro ≤ 16 mmanya. Ma ọ bụ họrọ, ụdị njikọ (≤40 mmanya)
Ihe nke ọkpọkọ: N'ekwesighi ihe puru iche, ihe eji aru di n'ime ya.
Ọnọdụ ike:Saịtị ahụ kwesịrị inye ike na nfuli oghere ma na-agwa obere ngwa ọrụ ọkụ eletrik na mpaghara (voltaji na Hertz).