Amtrol Pre-Pressurized Water System Tanks WELL-X-TROL - Manual (Page 3)

Advanced
design features
continue to set industry standards
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Stainless steel air valve is welded in position rather than mechanically
threaded to prevent loss of air pressure and to minimize stress on the well’s
pump system. It also carries a tamper-evident warning label.
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Deep-drawn steel domes offer twice the strength of rolled steel while
minimizing weight.
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Unique positive hoop ring seal secures diaphragm and liner for added
strength and reliability.
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Heavy duty butyl diaphragm features seamless construction for uniform
strength and flexibility. It conforms exactly to the shell configuration without
stretching, creasing, or forming bubbles or corners that could trap water or
sediment. Butyl is the best known elastomer to prevent air loss.
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Heavy duty butyl diaphragm is extremely resistant to bacterial growth and
meets FDA requirements for potable water supply.
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Virgin polypropylene liner provides a 100% corrosion resistant, non-metallic
rigid water reservoir that is listed by NSF International Standard 61.
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Stainless-steel system connection withstands aggressive water.
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Exclusive welding process eliminates interior rough spots and sharp edges
which prevent damage to the diaphragm and liner.
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Each finished tank is pressure tested for safety.
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Each finished tank is pre-pressurized to the most common pump cut-in
pressure.
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Exterior appliance-like finish looks attractive while protecting the tank from
the elements.
Dome
Hoop
Diaphragm
Liner
Dome
Stainless-steel
System
Connection
Stand