Fektheri ea Litsebi bakeng sa Valve ea Heke ea Nrs ea Chaena bakeng sa Sistimi ea Metsi
Khamphani ea rona e tsitlallela leano lohle la "boleng bo botle ba sehlahisoa ke motheo oa ho phela ha mokhatlo; khotsofalo ea bareki e ka ba ntlha ea bohlokoa le qetello ea khoebo; ntlafatso e tsoelang pele ke ho phehella basebetsi ka ho sa feleng" le sepheo se tsitsitseng sa "botumo ba pele, moreki pele" bakeng sa Feme ea Litsebi bakeng sa ChaenaValve ea Heke ea NrsBakeng sa Sistimi ea Metsi, re tšepa ka tieo phapanyetsano le tšebelisano-'moho le uena. Re lumelle ho tsoela pele re tšoarane 'me re fihle boemong ba ho hapa bohle.
Khamphani ea rona e tsitlallela leano lohle la "boleng bo botle ba sehlahisoa ke motheo oa ho phela ha mokhatlo; khotsofalo ea bareki e ka ba ntlha ea bohlokoa le qetello ea khoebo; ntlafatso e tsoelang pele ke ho phehella basebetsi ka ho sa feleng" le sepheo se tsitsitseng sa "botumo ba pele, moreki pele" bakeng saValve ea Heke ea Chaena, Valve ea Heke ea Nrs, Re amohela tšehetso ea hau ka mofuthu 'me re tla sebeletsa bareki ba rona lapeng le kantle ho naha ka thepa ea boleng bo holimo le tšebeletso e ntle e shebaneng le mokhoa oa nts'etsopele e tsoelang pele joalo ka mehla. Re lumela hore o tla rua molemo ho botsebi ba rona haufinyane.
Tlhaloso:
Valofo ea heke ea NRS e lutseng ka tšepe ea WZ Series e sebelisa heke ea tšepe e ductile e bolokang masale a boronse ho netefatsa hore e na le tiiso e sa keneleng metsi. Moralo oa kutu o sa phahameng o netefatsa hore khoele ea kutu e tlotsoa ka ho lekaneng ke metsi a fetang ka har'a valve.
Kopo:
Sistimi ea phepelo ea metsi, kalafo ea metsi, ho lahla likhoerekhoere, ts'ebetso ea lijo, sistimi ea tšireletso ea mollo, khase ea tlhaho, sistimi ea khase e metsi jj.
Litekanyo:
| Mofuta | DN(mm) | L | D | D1 | b | Z-Φd | H | D0 | Boima (kg) |
| NRS | 40 | 165 | 150 | 110 | 18 | 4-Φ19 | 257 | 140 | 10/11 |
| 50 | 178 | 165 | 125 | 20 | 4-Φ19 | 290 | 160 | 16/17 | |
| 65 | 190 | 185 | 145 | 20 | 4-Φ19 | 315 | 160 | 20/21 | |
| 80 | 203 | 200 | 160 | 22 | 8-Φ19 | 362 | 200 | 26/28 | |
| 100 | 229 | 220 | 180 | 24 | 8-Φ19 | 397 | 200 | 33/35 | |
| 125 | 254 | 250 | 210 | 26 | 8-Φ19 | 447 | 240 | 46/49 | |
| 150 | 267 | 285 | 240 | 26 | 8-Φ23 | 500 | 240 | 65/70 | |
| 200 | 292 | 340 | 295 | 26/30 | 8-Φ23/12-Φ23 | 597 | 320 | 101/108 | |
| 250 | 330 | 395/405 | 350/355 | 28/32 | 12-Φ23/12-Φ28 | 735 | 320 | 163/188 | |
| 300 | 356 | 445/460 | 400/410 | 28/32 | 12-Φ23/12-Φ28 | 840 | 400 | 226/260 | |
| 350 | 381 | 505/520 | 460/470 | 30/36 | 16-Φ23/16-Φ28 | 925 | 400 | 290/334 | |
| 400 | 406 | 565/580 | 515/525 | 32/38 | 16-Φ28/16-Φ31 | 1087 | 500 | 410/472 | |
| 450 | 432 | 615/640 | 565/585 | 32/40 | 20-Φ28/20-Φ31 | 1175 | 500 | 620/710 | |
| 500 | 457 | 670/715 | 620/650 | 34/42 | 20-Φ28/20-Φ34 | 1440 | 500 | 760/875 | |
| 600 | 508 | 780/840 | 725/770 | 36/48 | 20-Φ31/20-Φ37 | 1585 | 500 | 1000/1150 |
Khamphani ea rona e tsitlallela leano lohle la "boleng bo botle ba sehlahisoa ke motheo oa ho phela ha mokhatlo; khotsofalo ea bareki e ka ba ntlha ea bohlokoa le qetello ea khoebo; ntlafatso e tsoelang pele ke ho phehella basebetsi ka ho sa feleng" le sepheo se tsitsitseng sa "botumo ba pele, moreki pele" bakeng sa Feme ea Litsebi bakeng sa China Nrs Gate Valve bakeng sa Sistimi ea Metsi, Re tšepa ka tieo phapanyetsano le tšebelisano-'moho le uena. Re lumelle ho tsoela pele re bapile 'me re fihlelle boemo ba ho hapa bohle.
Fektheri ea Litsebi bakeng saValve ea Heke ea Chaena, Nrs Gate Valve, Re amohela tšehetso ea hau ka mofuthu 'me re tla sebeletsa bareki ba rona lapeng le kantle ho naha ka thepa ea boleng bo holimo le tšebeletso e ntle e shebaneng le mokhoa oa nts'etsopele e tsoelang pele joalo ka mehla. Re lumela hore o tla rua molemo ho botsebi ba rona haufinyane.
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