Severe Service Control Valves

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  1. Schroedahl Type AK High Pressure Control Valve with Axial Throttle Body

    Product Features

    • Cavitation-free, low-noise, multi-stage throttle body in a cascade design with axial flow direction under high pressure
    • Identical procedural characteristic or according to valve sizing
    • Screwed-on housing cover
    • Designed for extreme high pressure control and to avoid cavitation damage and to be suitable for a wide range of applications
    • The multi stage throttle body is designed as a cascade with an axial fl ow direction permits an extremely wide application range of up to 50:1 at constant high pressure loss without cavitation problems

    Applications

    • High-pressure control, high-pressure injection for power plant and process technology applications

    Nominal Diameter: DN 15-100 / NPS 1/2-4

    Pressure Class: PN 16-640 / Class 150-2500

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  2. Schroedahl Type AC High-Pressure Control Valve with Multi-Stage Axial Flow Limitation

    Product Features

    • Cavitation-free, multi-stage vortex plug with an axial flow direction under high pressure
    • Linear characteristic curve or according to valve design
    • Screwed-on housing cover
    • Wear free
    • Designed for extreme high pressure control and to avoid cavitation damage
    • The multi-stage axial plug with vortex system operates in the axial flow direction, is extremely robust and special material combinations enable it to also be used with complex water mixtures and other media

    Applications

    • High-pressure control valve for the power plant and process industry as well as for offshore applications
    • Also suitable as pump protection for minimum flow control
    • Suitable for the control of the high pressure injection

    Nominal Diameter: DN 25–400 / NPS 1-16

    Pressure Class:  PN 100–640 / Class 600–2500

     

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  3. Schroedahl Type DR Steam Pressure Reduction Valve

    Product Features

    • Customised, high-quality steam pressure valve with cage-guided perforated bushing
      in a single-stage or multi-stage design
    • For the best handling of diffi cult operating conditions with high grade pressure control
    • Low-noise, multi-stage design of the throttle body (perforated bushing)
    • Screwed cover or self-sealing design

    Applications

    • Reduction of steam pressure in energy and process engineering for controlling high-pressure

    Nominal Diameter:  DN 25-300 / NPS 1-12

    Pressure Class:  PN 16-400 / Class 150-2500

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  4. Schroedahl Type AVC (Combi) High-Pressure Control Valve with Special Dual Valve Combination of the Throttle Body

    Product Features

    • Two valves in one: the start-up valve and the full load valve combined in a single valve
    • Screwed-on housing cover
    • The AVC valve uses two throttle bodies on one stem and opens up a much wider range of application of 1:500
    • For the best handling of diffi cult operating conditions with extremely high demands on adjustability and high-quality pressure control

    Applications

    • Start-up control and main boiler feed control

    Nominal Diameter:  DN 50–500 / NPS 2-20

    Pressure Class:  PN 100–640 / Class 150–2500

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  5. Leslie Controls Aeroflow High Performance Control Valves
    The unique technology of the Aeroflow begins with aerodynamic vanes cast into the valve body inlet and outlet. Inlet vanes help divert incoming flow evenly around the cage, minimizing turbulence and flow instability as well as improving flow capacity. Outlet vanes minimize turbulence to reduce noise and body erosion. A wide range of interchangeable trim options and custom characterized cages provide the flexibility of many sought after benefits. Learn More
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  6. Schroedahl Type AV High-Pressure Control Valve for Water Applications in Single or Multi-Stage Design as Perforated Bushing

    Product Features

    • Single-stage and multi-stage cavitation-free, low-noise throttle body design (perforated bushing)
    • Robust valve reduction unit with single- or multi-stage perforated bushing system
    • Unloaded and loaded throttle bodies
    • Screwed-on housing cover
    • Linearly modifi ed characteristic curve

    Applications

    • High-quality high-pressure control valve for the power plant and process industry. Suitable for feed water control (100%)

    Nominal Diameter:  DN 50–600 / NPS 2-24

    Pressure Class: PN 16–640 / Class 150–2500

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