Amincin aiki
Babban caliber ball bawul dangi haɗi sashi (bawul wurin zama da bawul sanda bearings) saboda amfani da karamin gogewa coefficient Teflon, saboda haka aiki torque karamin, Bugu da ƙari, saboda dogon lokaci lubrication na hatimi grease, sa aiki mafi sassauci.
Valve kujera tsari
Akwai nau'ikan tsarin wurin zama na bawul guda biyu: tsarin hatimi guda ɗaya da hatimi biyu, yawanci aikin matsin lamba na kai shine hatimi guda ɗaya, hatimi biyu ta hanyar amincin matsin lamba da aka haɗa a kan jikin bawul.
Bar tsawo
Ƙananan bawul ɗin ya dace da binnewa da ƙasa da ƙananan zafin jiki, an ƙayyade girman girman daidai da buƙatu, hanyar aiki tana da hannu, pneumatic, lantarki, gas da ruwa da sauransu.
Tsaro na waje
An tsara bango kauri na bawul jiki bisa ga tsaro ka'idodin high matsin lamba kwantena, don jure waje karfi juriya da sauransu daidai da API6D ƙa'idodi, ƙarfi ya isa.
Valve bar rufi hatimi
Filling rufin rufi hatimi kamar yadda aka nuna da hudu O-irin zoben da hatimi fat injection na'urar.