Pressure Reducing and Desuperheating Station

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Steam Equipment

Pressure Reducing and Desuperheating Station

Combined pressure reducing and desuperheating station (PRDS) for reducing steam pressure and temperature simultaneously. Integrates self-acting or pneumatic PRV with venturi or injection-type desuperheater, control valves, safety relief, and instrumentation on a common skid. Used in power plant auxiliary steam systems, process steam let-down, and turbine bypass applications.

Key Applications

Turbine Bypass SystemsAuxiliary Steam Let-DownProcess Steam ConditioningPower Plant PRDS
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Technical Specifications

Package Type Pressure reducing and desuperheating station (PRDS)
PRV Self-acting or pneumatic pressure reducing valve
Desuperheater Venturi injection or multi-nozzle atomising type
Control Temperature and pressure control loop with RTD/TT and PT
Size Range 50 mm to 300 mm
Outlet Conditions Customer-specified pressure and superheat/saturated steam
Safety Device Spring-loaded PSV on reduced pressure side
Manufacturer Supreme Valves India

Material Options

Carbon Steel

ASTM A216 WCB, A105, A350 LF2

Stainless Steel

SS304, SS316, SS316L, SS321, SS347

Alloy Steel

ASTM A217 WC6, WC9, C5, C12

Duplex Steel

F51, F53, F55, Super Duplex

Exotic Alloys

Monel, Hastelloy, Inconel, Titanium

Bronze & Brass

Gunmetal, Aluminum Bronze, Naval Brass

Purchase Options

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Features & Benefits

Single Skid Solution

Pressure and temperature reduction in one engineered package with integrated controls.

Wide Turndown

Variable-area desuperheater nozzles maintain spray quality across flow range.

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