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Model J Alarm Valve
The Viking Model J Alarm Check Valve is the only one of its kind made of
ductile iron - a material with higher thermal shock resistance and almost
twice the strength-to-weight ratio of cast or gray iron. The Model J also
provides unsurpassed versatility - it can be mounted horizontally or vertically,
and is available in flange/flange, flange/groove, and groove/groove models.
Viking Alarm, Easy Riser, and Swing Check valves feature a Clapper Assembly
that is hinged to the hand-hole cover. The entire assembly can be removed
for fast and easy maintenance, without removing the valve from the riser.
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