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API 6A Wellhead e mengata ea Hlahloba Li-valve
Cheke valve e entsoe le ho hlahisoa ka botlalo ho latela litlhoko tsa API 6A 《Litlhaloso tsa Thepa bakeng sa Wellhead le Sefate sa Keresemese》, e khona ho sebelisoa ka mokhoa o fapaneng le lisebelisoa tse tsamaisanang lapeng le kantle ho naha tse tsamaellanang le API 6A Standard. Mokotla o amohela tšepe e hanyetsanang le sulfide mme e khona ho sebelisoa maemong a H2S, 'mele oa valve o entsoeng ka tšepe ea alloy e sebetsang hantle. Mefuta e 'meli ea li-valve tsa Check e fanoa ke landrill: Mofuta oa Swing le mofuta oa Lift.
Room 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
86-13609153141
