Nil-Cor ball check valves are offered in the following sizes:
1" - 6"
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Nil-Cor check valves are virtually unaffected by the harshest external environments
including ultra-violet exposure. Nil-Cor check valves have been designed to achieve strengths equivalent
to metals with the inherent corrosion resistance of advanced polymer matrix composite materials. Nil-Cor's
ball check design has four internal ball guides molded right into the body. This delivers exceptionally
secure ball support and smooth operation in even dirty fluids. As a bonus, this construction reduces the
number of parts in the valve for simpler and less costly maintenance. Viton seats and a solid PTFE ball
combine to deliver bubble-tight shutoff and low reseating pressure drops. The valves may be installed in
horizontal as well as vertical lines. A convenient raised cast-in arrow on the body shows the correct
installation direction.
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