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IMI CCI
LTB Low Pressure, Low Temperature Turbine Bypass Valve
Angle body bypass valve for steam conditioning and pressure control in power and industrial applications.
Efficient pressure control with multi-stage pressure reduction for optimised steam conditioning.
Low maintenance design with a quick-change seat and reliable balanced trim.
Reduced operational noise through engineered flow paths and perforated cage technology.
Features
The LTB is a steam conditioning valve used to simultaneously reduce steam pressure and temperature to meet downstream requirements in turbine bypass systems or process control. Available in both angle and globe design, it features a perforated cage for staged pressure reduction, a balanced trim to minimise actuation force, and spring-loaded nozzles for effective steam atomisation. A quick-change seat allows for simple maintenance, while the extended outlet ensures optimised steam flow. Built for high temperatures and low noise operation, the LTB meets strict leakage standards and supports various actuator options, providing reliability and efficiency in demanding environments such as power generation, combined cycle plants, and industrial steam systems.
Key features
Angle and globe body designs
Perforated cage for pressure control
Balanced trim
Quick-change seat
Bolted bonnet, lightweight valve body
Spring-loaded OP nozzles
Extended outlet
Leakage Class V per ANSI/FCI 70.2
Noise level <100 dBA
Operates at temperatures up to 550°C
Specifications
Fluid Types
Steam
Trim Category
Single Stage
Multi-Stage
Material
A216-WCB
A217-WC6
A217-WC9
A217-C12A
Actuator Type
Pneumatic
Spray Injection Category
Variable Area Nozzle
Design Codes
ASME (B16.34)
Temperature Limits (°C)
300 to 550
Max. ASME Rating
2500
Certification
IBR
CRN
Service Category
Severe
Resources
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