Bulkhead Fittings for Ponds, Water Gardens & Other Uses
Free Shipping on most orders totaling over $100! A Bulkhead Fitting is a special plastic fitting to provide a watertight seal through a plastic container or a flexible pond liner. This fitting allows full flow of water and the ability to attach flexible pipe with the use of a male adapter. The fittings have left handed threads to keep the fitting tight when installing the male adapter.
How to Install a Bulkhead Fitting.
Remove the sealing gasket and use it as a pattern to cut the hole.
Place the gasket over the area where the bulkhead will be installed and mark on the inside of the gasket. When cutting the hole in hard plastic or fiberglass it is best to use a hole saw. Use a breakaway type knife or other small blade sharp knife to cut a clean hole when installing the bulkhead in a flexible pond liner.
The bulkhead can be installed with the nut on the inside or the outside of the liner.
Apply a bead of silicone sealant or lap sealant to the gasket and place this on the wet side of the installation. The sealant will act as a lubricant to keep the liner from bunching up and also help to create a watertight seal.
Tighten the nut to the point that the gasket is crushed against the liner.
Install a male adapter to attach your plumbing to the bulkhead. You can then glue pipe into this adapter to finish the installation.
We recommend the use of flexible PVC pipe to allow some movement to relieve any stress that could be exerted on the bulkhead fitting.
Click on a bulkhead fitting below for a more detail description of the fitting's dimensions.
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