IMI CCI is the world leader in the design and application of severe service control valves for critical applications in Fossil Power, Nuclear Power, Oil and Gas. Liquifaction and Petrochemical industries. With each new operating season, the limits of interstage attemperators in Heat Recovery Steam Generators (HRSGs) are being tested. As plants search for the most economical operation, be it cycling daily or operating at reduced loads for extended hours, reliability and operability of the superheat (SH) and reheat (RH) interstage attemperators consistently come into question. Whether it is a constantly leaking attemperator that must be repaired or replaced at every outage, or a more catastrophic failure like a boiler tube leak or a ruptured steam line, the headaches and frustrations associated with interstage attemperation are becoming all too familiar to plant managers, operators, and maintenance personnel.
Light weight cast body.
Class V shut-off.
Graphite stem packing.
Forged design.
No trim in steam flow.
Tapered profile to minimise flow induced vibration.
Variable spray nozzle.
Benefits of DA-90DSV
Provides the Valve Doctorâ„¢ Solution – IMI CCI can offer the Valve Doctorâ„¢ solution, working with plant operators to improve plant performance, reliability and output.
Prevents Cavitation Damage – IMI CCI Works in accordance with ISA guidelines to ensure cavitation is avoided.
Eliminates Erosion Damage – By controlling fluid velocities, erosion is eliminated.
Thermal Stress Analysis – IMI CCI accounts for all thermal streses in the attemperator design.
Stops Costly Maintenance Cycles – IMI CCI valves are designed and sized to provide longer intervals between maintenance and allows easy access to all components.
Eliminate Thermal Damage to Trim – Control element is outside of the hot steam flow – Proven Desuperheating Experience.
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