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IMI CCI
DRE High Pressure Turbine Bypass Valve
The DRE valve combines high-pressure steam throttling with in-body desuperheating, ideal for subcritical and supercritical power plants.
Integrates steam pressure reduction and desuperheating for efficient system operation.
Multi-function contoured cage minimises noise and prevents thermal shocks, enhancing safety.
Compact, robust design with reduced components allows for easy maintenance and long-term reliability.
Features
The DRE High-Pressure Bypass Valve is a steam conditioning solution designed for fossil-fired power plants operating under subcritical and supercritical steam conditions. It integrates steam throttling with significant pressure reduction and in-body desuperheating via spraywater injection. The valve's multi-function contoured cage attenuates noise and prevents thermal shocks, while its compact, robust design ensures durability and ease of maintenance. Engineered to handle the high pressures and temperatures of modern thermal power plants, the DRE valve supports efficient and safe plant operations
Key features
Steam throttling with high-pressure drop
In-body desuperheating via spraywater
Multi-function contoured cage
Suitable for cyclic operation and frequent start-ups
Applicable for subcritical and supercritical steam
Compact, robust design
Easy maintenance with replaceable components
Designed for controlled safety pressure relief systems
Specifications
Fluid Types
Steam
Trim Category
Multi-Stage
Material
A182-F22
A182-F91
A182-F92
Actuator Type
Hydraulic
Spray Injection Category
Fixed Nozzle
Design Codes
EN
Temperature Limits (°C)
300 to 650
Certification
PED
Service Category
Severe
Resources
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