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Steam-Con

  1. Home
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  3. Pressure Reducing Valve Station
  4. De-superheating Control Valves & Stations
  5. DSH Series

De-superheating Control Valves & Stations
DSH Series

Working Principle:

DSH series Desuperheater control valve reduces the superheated steam temperature by injecting cooling water in to it. Due to heat transfer principle the water absorb sufficient heat for vaporization to maintain temperature close to that of saturation.
The operation is quite simple , The spray water quantity is controlled with an external control valve. Spray nozzle which received the feedback / signals from controller and downstream temperature sensor. Temperature reduction occurs due to disperse of the minute water particle and atomizing steam counter to the flow of superheated steam , enabling the fine mist to be easily evaporated.

Performance & Design Features:

Fixed Nozzle type

  • Used for application with near constant load
  • Most simple & economical Desuperheater
  • Capable of maintaining final temp. of 5 o C
  • Used when pressure difference between steam line and spray water is high.
  • Maximum turndown 3:1

Venturi Nozzle type

  • Compact & Economical in design.
  • Difference between spray water and stem line is minimal
  • Better mixing of spray water
  • final temp. up to 6 C of saturation
  • Maximum turndown 10:1

Variable type

  • Best design among all de-superheater Valve
  • Widely used for application with high load fluctuations
  • High performance of spray nozzle assembly.
  • Excellent down stream temp. control
  • High turn down ration of 16:1
Application:

Mechanical atomizing type Desuperheaters are generally used to lowering the temperature of superheated steam to the required set point by injecting atomized water in to the superheated steam flow with spray Nozzle.

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  • Technical Specifications
  • Drawing & Material Specifications
  • Dimension & Weight

Technical Specifications

Steam Line Size 25 mm to 400 mm NB
Connection Size Steam Side Mounting Flange - 80 NB
Water Side Flange 25 mm , 40 mm NB
Pressure Rating 150# to 2500#
Body MOC Carbon Steel / Alloy steel / Stainless Steel
Nozzle MOC SS 316 (Stellited optional)
Actuator Pneumatic / Electrical
Rangeability 40 : 1
End Connections Flanged

Fix Nozzle Type Desuperheater Valve

Fix Nozzle Type Desuperheating Station

Venturi Type Desuperheater Valve

Venturi Type Desuperheating Station

Variable Nozzle Type Desuperheater Valve

Variable Nozzle Type Desuperheating Station

Dimension & Weight

Coming Soon

We provide Safety Relief Valve, Pressure Reducing Valve, Pressure Reducing & Desuperheating Station, Pressure Control Valves, Industrial Gas Regulator, Pneumatic / Motorized Control Valve, Automatic Control Valves that are manufactured to the most stringent industry standards.

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    Kubadthal-Lalpur road,
    Village: Kubadthal, Taluka: Daskroi,
    District: Ahmedabad-382 430
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