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Valve
Cage
Seat
Seat
Air Valves, Seats and Cages
Replacements with Westinghouse valves, cages and seats are
easily accomplished.
Cages and seats are cut from special
grades of steel, each piece made to exact dimensions and the
threads, seats, etc., individually checked to insure correct valve
lift. Air valves are forged from a special grade of steel bars
and then oil tempered to produce 'a uniform structure. They
are individually checked for correct alignment of seat and
wings. The seats are spherically ground so that when
valve is applied to a compressor, it immediately
line bearing fit without any wearing in.
29
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