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Masoneilan 78400 / 18400 Series LincolnLog™ Anti Cavitation Valve

  • Size

    1” through 12” (25 through 300 mm)

    Ratings & Connections

    flanged: ANSI 600 - 2500 UNI-DIN 100 - 400; welded: BW or SW

    Body Materials

    carbon steel; stainless steel; chrome-moly


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


    axial flow technology; multi-stage, cage-guided, anti-cavitation trim; Class VI available on request

    Inherent Characteristics



    Axial Flow LincolnLog design utilizes a tortuous path to distribute pressure drop along the axis of the plug. The axial stages throttle in unison as the plug strokes, maintaining staging ratios at all lift points. Velocity and pressure drop are controlled, thus eliminating cavitation and the resulting trim damage. This valve is highly effective in pump recirculation and high pressure liquid letdown applications, including those found in Hydrotreater processes.


Masoneilan 78400 / 18400 Series LincolnLog™ Anti Cavitation Valve

Masoneilan 78400 / 18400 Series LincolnLog™ Anti Cavitation Valve

Applicable Industries

Power Generation, Refining, Midstream Oil & Gas, Upstream Oil & Gas, Pulp/Paper.

Key Applications : Reactor Building, Turbine Building, Reactor Facility Grounds & BOP, Heat Recovery Steam Generator, Balance Of Plant,   Hydroprocessing, Cracking, Pipeline Integrity,Operations,Refrigeration,   Liquifaction, Loading/Shipping, Regasification, Auxillary, Seperation, Dehydration/Treating.