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Leak tester: made by COSMO in Japan; It adopts PLC control for leak test of cylinder head cover, and the inspection accuracy is: pressurizing time is 20s when air pressure is set as 0.5Mpa, and the balance time is 15s ant the leak amount is predetermined as£¼95mm during balance period; it takes 10s for inspection and leak amount is £¼30mm. |
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