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KOSO

West Bridgewater,  MA 
United States
http://www.koso.co.in
  • Booth: 1835


KOSO, Control valve solutions for over 50 years

KOSO does most of its critical activities within the group to maintain the highest level of quality from pouring the castings to assembling and testing of Control Valves of most Severe Applications like Turbine Bypass from the state of the art manufacturing centers in Japan, Korea, China, India, UK, US, Italy and Oman, under the brand KOSO

Brands: Koso, Kentintrol, REXA, Parcol, Hammel Dahl, VeCTor


 Products

  • Turbine Bypass Control Valves & System Solution
    KOSO Turbine bypass valves are operational in power plants worldwide and help our customers to operate the plants at utmost efficiency and system reliability. More than a Control Valve manufacturer, our expertise is also available to Bypass system design...

  • Applications:

    ·         HP to Cold Reheat

    ·         HRH (Hot Reheat) to condenser, also known as IP/ LP bypass to condenser or LP bypass to condenser

    ·         HP to condenser

    Major hardware components of turbine bypass systems are:

    ·         Steam pressure-reducing valve

    ·         Desuperheater

    ·         Spraywater control valve

    ·         Spraywater isolation valve

    ·         Dump tube/sparger (only for bypass to condenser)

    ·         Actuator

    Typical materials of construction for Design Temp above 1005 Deg F and up to 1132 deg F

    ·         Body : A182 F91/ A217 C12A

    ·         Bonnet : A182 F91/ A217 C12A

    ·         Inlet Cage : X20CrMoV121

    ·         Plug : X20CrMoV121

    ·         Stem : Inconel 718

    ·         Seat : X20CrMoV121

    ·         Outer Cage : 10CrMo910/A182 F22

  • Attemperator solutions from Koso
    The inter and final stage Attemperators are playing an important role in Power plants to keep the heat balance optimal for operating the Turbine at the highest efficiency, at the same time the start-up and load rejections are managed as required...

  • KOSO  D-SERIES DESUPERHEATERS

    • DV1   Venturi
    • DVL   Venturi Low-Loss
    • DVR   Venturi Ring
    • DPF     Probe
    • DSR    Spray Ring
    • DPS     Probe type with Spring-loaded nozzles
    • DPW   Whirl type nozzle
    • DMR   Multi-nozzle Ring with Spring-loaded nozzles
    • DAS    Steam-Assist nozzle

    POWER PLANT APPLICATIONS

    • Turbine Bypass
    • HP turbine bypass to CRH
    • IP (HRH) Turbine Bypass to condenser
    • HP turbine bypass to condenser
    • Turbine Bypass to process
    • Main Steam temperature control
    • HP steam attemperator
    • RH steam attemperator
    • Auxiliary steam/PRDS (pressure reducing stations)
    • Gland steam desuperheater
  • KOSO Severe Service Control valves- VeCTor Trim
    Koso VeCTor trim can offer the best solution to all your challenging control valve applications through the Multi-Stage Multi-Path Velocity Control Trims...

  • KOSO is the one-stop solution to all your Control Valve Problems. Be it the high rangeability control for your Feedwater Regulator valves, the killing pressure drop across the Boiler Feedpump Recirculation valves, the high pressure Steam letdown or the noisy Steam Venting..... Koso VeCTor trim can offer the best solution through the Multi-Stage Multi-Path Velocity Control Trims

     

    The above applications are in addition to the HP, RH and LP Turbine Bypass solutions offered in various Combined Cycle and Coal Fired power plants, where the noise control is a matter of strict compliance due to Regulatory norms


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