These valves are a variable orifice device that changes its effective opening area with respect to internal pressure and flow through the unit.
They are manufactured in different configurations and connections depending on the installation site.
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The valves easily handle corrosive or abrasive materials, such as sewage, sludge or sludge. Its flexible design allows solids to pass unimpeded and can even seal around solids trapped in the valve.
Flange check valves are versatile and can be installed horizontally or vertically. Available in all flange standards.
They are also manufactured slip-on type, plated, among others.