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Lapco QEPH With Uni-Flow Venting
ID: LAPCOQEPH
US$29.99
LAPCO has not only integrated the exhaust principle but also improved it with exciting results. The LAPCO QEPH achieves a faster retraction of the piston, which improves the operating speed and ultimately the number of balls fed into the marker per second
 



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LAPCO has not only integrated the exhaust principle but also improved it with exciting results. The LAPCO QEPH achieves a faster retraction of the piston, which improves the operating speed and ultimately the number of balls fed into the marker per second. The position of the exhaust holes within the piston stroke determines the efficiency of the system. If the exhaust holes are not positioned optimally they could detract from, rather than improve the speed of the piston. For example, if air gets exhausted too soon, the air power will be reduced and the piston will operate slower.

The second factor that influences performance is the interior ’roundness’ and the interior surface finish of the QEPH housing. The less friction exerted between the housing and the piston, the faster it will operate and the longer the seals will last. We at LAPCO have improved on all these factors. But that wasn’t enough for us to release a new product. We have taken the research and design to yet a higher level to enhance the QEPH’s performance.

We have eliminated the exhaust systems’ major weakness: The exhaust holes expose the inside of the housing, allowing dirt, sand, paint, and any other debris to enter the housing, hurting the seals, thus building friction and slowing the piston’s movement. This issue is aggravated by the creation of a vacuum in the housing as the piston retracts, to load a ball, sucking in even more dirt.

Like most good engineering improvement, our solution is simple: We have designed an exhaust groove and added an O-Ring! Simple in concept with major results! The O-Ring acts like a “seal in a valve” opening to release pressure and closing on the return, so that the vacuum created by the return does NOT suck in dirt. With a clean housing for the piston to cycle, the player receives a stable performance with the LAPCO Uni-Flow Vented QEPH.


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