Cars have become an indispensable means of transportation in our lives, and they have also become an indispensable means of transportation for many people..But everyone doesn’t know much about the fuel tank cap, because the fuel tank cap is not a very inconspicuous part.Occasional weather such as rain or snow may cause water to enter the fuel tank cap. Therefore, the waterproof performance of the fuel tank cap has also attracted the attention of consumers.

Product to be tested: fuel tank cap

What designs did engineers make to make the fuel tank cap waterproof?Each fuel tank cap has a drain hole.Since the vehicle is used outdoors, wind and sand will pass through the gaps in the fuel tank cap and accumulate around the fuel tank cap.If this drainage hole is blocked, water will accumulate on rainy days. The humid environment will pose a threat to metal fuel tank caps, door panels, etc. Therefore, this place also needs to be inspected and cleaned in time.

Fuel tank cap waterproof detection fixture

With this vent, does the fuel tank cap itself need to be tested for waterproofing?There is no doubt about this problem. Simply relying on a vent cannot solve the problem.Today, Hai Ruisi is here to share with you how to do the waterproof test of the fuel tank cap. What the customer requested this time isCheck the tightness of the mailbox lid，Prevent oil in the tank from leaking.Let’s take a look at the equipment and methods used this time:

Fuel tank cap sealing testing equipment

Equipment used: HiraysHCClassic Series Instruments, Pressure Range-80-150KPA

Testing method: According to customer requirements, the test is divided into two procedures. Hirays air tightness testing equipment can set up multiple sets of continuous test procedures, and the instrument performs automatic replacement program detection.The first is to use-6.5KPApressure, and then use positive pressure90KPAThe pressure test is divided into positive and negative pressure tests.

The methodCanoil tank capAchieve the pressure required for both positive and negative pressure tests, and the leakage value does not exceed the customer's requirements60PABased on the amount of leakage, the product is judged to be qualified.

useHai RuisiHCClassic Series InstrumentsThe method of detecting the fuel tank cap is not only fast and efficient, but also can save a lot of manpower and material resources.。