Ivalvu yeSango leSlab yeWellhead ye-API 6A
Iimbonakalo
1. Uyilo olupheleleyo lususa ngempumelelo ukuhla koxinzelelo kunye nemisinga ye-eddy kwaye lucothisa amasuntswana aqinileyo kulwelo
ukuhlanjwa kweevalvu;
2. Uyilo olulodwa lokutywina, ukuze i-torque yokutshintsha inciphe kakhulu;
3. Kwenziwa izitywino zesinyithi phakathi kwebhonethi kunye nomzimba wevalvu, ipleyiti yevalvu kunye neringi yesihlalo sevalvu;
4. I-welding ye-carbide eqinisiweyo nge-metal sealing spray (overlay), enokumelana nokuguguleka okuhle, ukumelana nokugqwala;
5. Indandatho yesihlalo iqiniswe yipleyiti esisigxina ukugcina uzinzo oluhle;
6. Isiqu sixhotyiswe ngendlela yokutywina eguqulweyo ukuze kube lula ukutshintsha iringi yokutywina isiqu ngoxinzelelo.