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Tester le bouchon du vase d'expansion


repar2000-r9
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Go to solution Solved by Wolf,

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Salut,

 

dans la revue technique , pour tester la pression d'ouverture de cette soupape ( 1,2 bar, bouchon marron ) il y a une pompe avec un manomètre précis ... que je n'ai pas.

 

J'ai pensé à une autre méthode :

- déposer le bocal avec son tuyau

- mettre, au bout du tuyau, un embout de pompe

- gonfler une roue de secours à 1,4 bar

- y brancher l'embout

L'idée est que la roue va se dégonfler , à travers le bocal et la soupape, et arrêter de se dégonfler à 1,2 bar quand la soupape se fermera.

Là, je débranche l'embout, et je mesure la pression du pneu.

 

Question :

voyez-vous un bug dans mon idée ?

 

J'ai notamment un doute sur le fait que si je laisse le bidon vide , son volume d'air s'ajoutera au volume du pneu ;

donc je devrais partir d'un pneu sous une pression plus grande, qui pourrait mettre un choc à la soupape ?

 

Ou bien remplir le bidon de liquide pour faire le test ?

 

Merci,😉

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Salut,

 

Perso pour tester le bouchon j'ai un vase d'expansion de cleon et un tuyau avec au bout de se dernier une valve de pneu modifiée. Je mets le bouchon à tester dessus et avec une pompe à vélo avec mano précis, je fais monter petit à petit la pression jusqu'à entendre la soupape s'ouvrir 

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  • 8 months later...

Voila, j'ai mis une valve de voiture, affinée, dans le tuyau .

J'ai gonflé avec une pompe à pied,à travers un mano de pistolet de gonfleur de chez Lidl.

C'est progressif et j'ai bien mesuré le point d'ouverture.

Pour certains bouchons à 0,9 ou 1,1 pour une valeur prévue à 1,1 .

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