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The Outdoor Series tanks are designed with a patented controlled action, double diaphragm assembly that is completely contained in a pre-pressurized air cushion.This unique design feature reduces condensation and regulates diaphragm action.
Challenger tanks have a threaded nut for easy installation of pump stand, a welded malleable elbow and an adjustable air charge. Clean, airtight welds are achieved using the most modern welding equipment available.
Our diaphragms are constructed with an FDA approved high grade butyl. Challenger tanks true airflow design means fewer problems with condensation. Our diaphragms positive lock internal clench ring cannot slip and does not rely on the tank wall.The tank contains a stainless steel port diffuser, and water connection which directs flow upward and outward while locking the lower diaphragm in place.
All of our quality tanks are backed by a five year written, limited warranty. Challenger tanks are quality tested at four different stages on the production line. Tests include helium and high pressure tests to ensure the structural integrity of every tank
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