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Inline well tank
Deep drawn domes are double the strength of rolled steel
The industry's thickest diaphragm provides extra strength and flexibility
Seamless design conforms exactly to the shell without stretching, creasing or forming bubbles that could trap water or sediment
Unique hoop ring and groove design secures the diaphragm, liner and shell for added strength and reliability
Product Description Amtrak Inc. invented the first pre-pressurized well tank over 50 years ago. This revolutionary product featured an innovative design using a hoop ring and groove to lock the diaphragm, liner and shell together in a totally unique way. This tradition of in. From the Manufacturer Amtrol Inc. invented the first pre-pressurized well tank over 50 years ago. This revolutionary product featured an innovative design using a hoop ring and groove to lock the diaphragm, liner and shell together in a totally unique way. This tradition of in