Mefuta ea li-valve tsa heke.

Molao-motheo o sebetsang oa valve ea heke ea letsoho: Fetola lebili la letsoho. Ka ho sebelisana le ho khaoha ha likhoele pakeng tsa lebili la letsoho le kutu ea valve, phahamisa kapa u theole poleiti ea valve e hokahaneng le kutu ea valve, ka tsela eo u fihlele mesebetsi ea ho bula le ho koala.

Ho ea ka thepa ea khetla,li-valve tsa hekee ka hlalosoa e le:

1. Li-valve tsa tšepe tsa tšepe: tse kang li-valve tsa tšepe ea carbon, li-valve tsa tšepe ea alloy, li-valve tsa tšepe tse sa hloekang, li-valve tsa tšepe tse entsoeng ka tšepe, li-valve tsa titanium alloy valves, li-valve tsa Monel, li-valve tsa koporo, li-valve tsa alloy, joalo-joalo.

2. Li-valve tsa tšepe tse nang le 'mele oa tšepe: tse kang li-valve tse nang le rabara, li-valve tse nang le fluorine, li-lead-lined valves, li-plastic-lined valves, li-enamel-lined valves.

3. Li-valve tsa thepa e seng tsa tšepe: tse kang li-valve tsa ceramic, li-valve tsa khalase le li-valve tsa polasetiki.