A tank liner from Witt Lining Systems can be built with fittings for any tank outlets already attached to the PVC drop in liner. With the proper preparation installation is easy.
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Because PVC tank liners are custom fabricated for an exact fit we require precise measurements of the area to be lined. Of those dimensions the most critical would be the inside dimensions of an outlet. Whether too big or too small, an ill-fitting outlet can lead to a premature failure of a flexible liner.
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While there are a few methods for handling drains in a tank liner the most common method is with a fabricated fitting.
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There are several ways to handle outlets with a drop in liner. Our recommendation as the best method is the use of a bulkhead fitting. A bulkhead fitting eliminates the need to fabricate a pass through outlet in the liner and avoids any potential failures of a fabricated outlet.
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