1. Thevalve actuator korontowaa in lagu kaydiyaa qolka engegan iyo kuwa hawo leh, waana in la xidhaa labada qaybood ee jidhka bini'aadamka.

2. Kaydinta muddada dheer ee valves koronto waa in si joogto ah loo hubiyo si meesha looga saaro wasakhda oo loo marsado saliid ka hortagta miridhku korka shaqada.

3. Ka dib marka la rakibo, waa in si joogto ah loo hubiyo, walxaha kormeerka ugu muhiimsan:

(1) Hubi in dusha daboolku ay si buuxda u wanaagsan tahay

(2) Ka dib marka la isku keeno, valve waa in lagu tijaabiyaa waxqabadka shaabadeynta.

(3) Hubi dhaawaca jirida iyo jirida lawska.Haddii uu jiro dhaawac, ku beddel waqtiga.

(4) Hubi haddii baakaddadu ay dhacday, oo beddel haddii ay waxyeello gaartay.