Graham manufactures several products that are included as accessory equipment to surface
condensers. Steam jet ejector and liquid ring vacuum pump air removal packages are manufactured and
can be supplied with the condenser as a complete system. Graham also manufactures the Graham Viking
Atmospheric Relief Valve that provides automatically resetting overpressure protection for the
steam side of the condenser and turbine. In addition, a condenser can be supplied as a part of a
Graham DO2™ System. The DO2™ System is a three component condensing system consisting of a
specially designed condenser, an enhanced venting package, and a makeup water deaerator, which work as
a unit to provide low oxygen content condensate for combined cycle power systems. The design, manufacture, and
supply of these critical accessories are areas where Graham is unique.
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