■ Tank: 16 gauge cold rolled steel
■ Connection: 1” NPT
■ Finish: Appliance quality paint for indoor or outdoor installation
■ Water chambers: Top chamber is 100% butyl rubber, lower water chamber is copolymer polypropylene
■ Connection: Welded steel NPT thread
■ Testing: High pressure, seam weld, helium, final precharge check
■ Air valve: Brass valve with o-ring seal
■ Warranty: Five year

About the Flexcon Challendger Series Pressure Tanks

Challenger tanks are the industrys fighting brand and one of the more popular water tanks on the market. Efficient and cost-effective, Challenger tanks are designed with a patented controlled action, double diaphragm assembly that is completely contained in a pre-pressurized air cushion that 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. Challenger tanks are completed with an appliance quality paint finish over primer coat, which combines durability and high luster.

Our diaphragms are constructed with a 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 water 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.