E loketse li-valve ho tloha ho 6mm (4in) ho ea ho 101mm (4in) bophara, tse loketseng lipeipi tse sirelelitsoeng le libaka tse haufi (1/4in).
Mosebetsi
Sesebelisoa sa ho notlela ke sesebelisoa sa ho notlela polokeho ea indasteri se ts'oereng lisebelisoa sebakeng se bolokehileng mme se lula se koetsoe. E sebelisetsoa ho thibela ho buuoa ka phoso ho ka fellang ka kotsi kapa lefu, ’me sepheo se seng ke ho fana ka temoso.
Tlhaloso: Senotlolo sa valve se sebelisoa haholo-holo ho notlela valve ho sireletsa tšireletso ea valve.
Li-valve: linotlolo tsa li-valve tsa bolo, linotlolo tsa li-valve tsa serurubele, linotlolo tsa li-valve tsa heke, linotlolo tsa li-valve tsa rotary, liloko tse fapaneng tse sebetsang, jj.