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Masoneilan 84000 Series SteamForm™ Steam Conditioning Valve

  • Size

    Trim Sizes: 3” through 24” (80 through 600 mm); Pipe Sizes: 3” through 48” (80 through 1200 mm)

    Ratings & Connections

    flanged: ANSI 150 - 2500 UNI-DIN 10 - 400; welded: BW

    Body Materials

    carbon steel; chrome-moly


    model 87/88 multi-spring diaphragm; model 37/38 spring diaphragm; cylinder


    single or double stage Lo-dB with optional diffuser and V-LOG energy management trim; thermally compensated high temperature trim options

    Inherent Characteristics

    linear or equal percentage


    The Masoneilan line of steam conditioning valves offers a wide range of features, including low noise trim and a patented water injection system, for applications that require both pressure and temperature reduction in an integrated package. The SteamForm* product line combines more than 125 years of pressure control expertise with the latest in desuperheating technology to offer a highly efficient steam conditioning solution.

    Benefits of the 84000 Series SteamForm™ Steam Conditioning Valve include: 

    •  ASME B16.34 based design with expanded outlet size to control steam velocity.
    • Multi-stage pressure reduction trim controls steam pressure while reducing noise and vibration.
    • Field serviceable trim design with compensation for thermal excursions in combined cycle applications.
    • Class V shut-off performance reduces energy loss to downstream piping.
    •  High efficiency desuperheating via patented Flow Profiler to reduce downstream piping concerns.
    •  High performance spring loaded nozzles for fine atomization of injected spray water.
    • Customizable design to match plant piping.

    The Masoneilan 84000 SteamForm valve is a superior choice for steam conditioning applications requiring integrated pressure and temperature reduction such as:

    • Turbine bypass systems.
    • Process steam conditioning.
    • Boiler extraction to process.
Masoneilan 84000 Series SteamForm™ Steam Conditioning Valve

Masoneilan 84000 Series SteamForm™ Steam Conditioning Valve

Masoneilan 84000 Series SteamForm™ Steam Conditioning Valve

Applicable Industries

Power Generation, Refining, Petrochemicals, Pulp/Paper.

Key Applications : Steam Turbine Bypass, Auxiliary Steam Conditioning, Process Steam Letdown, Desuperheating.