Valve yo gushyiramo icyuma

Valve yo gushyiramo sima ni igice cy'ingenzi mu mikorere ya sima no gucikamo ibice mu bicukurwamo peteroli n'amabuye y'agaciro ndetse no kugenzura amazi nk'ayo afite umuvuduko mwinshi. Ifite imiterere mito, ikoreshwa byoroshye kuyisana, ifite torque nke, ifunguka vuba kandi yoroshye kuyikoresha, ku buryo ari yo valve nziza cyane mu zindi zikoreshwa muri sima no gucikamo ibice muri iki gihe. (Icyitonderwa: valve ishobora kandi gufungurwa cyangwa gufungwa byoroshye munsi ya 10000psi.)