Gas booster pumps are very common in our daily production, including many finished products, and also equipped with a gas booster pump. Many people react, gas booster pump often suddenly do not work, the reason, many people think that the piston chip stuck.
Most of this phenomenon is because the spool valve inside the valve seal is out of the question, most manufacturers do, the depth of groove for placing the O ring, O ring is too shallow exposed a large amount, long time O ring to wear, once the O ring rot, spool and body appeared between the metal direct contact with each other, so it is easy to get stuck. In addition, if the groove is too deep, the exposed part of the O ring is too small, easy to seal bad, leak. According to the experience of many years, the amount of O ring exposed outside is 1/4 best with the thickness of O circle. This data will make the sealing performance good and will not damage the O ring.
In addition, the gas booster pump in the valve body, it is easy to cut O ring, thus affecting the life of O ring, which is a major reason for the gas booster pump failure.
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