Fisher™ TBX Steam Conditioning Valve | Integrated Pressure & Temperature Reduction for Power Plants

The Fisher™ TBX Steam Conditioning Valve is an engineered solution designed to ensure the reliable and safe operation of power generation facilities. It efficiently reduces both the pressure and temperature of steam in a single valve, simplifying system design and operation .

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Product Description

Beyond daily operational control, the TBX valve serves a critical protective function. During steam turbine trips, it helps safeguard downstream equipment such as reheater tubes, condensers, and piping networks from damage caused by excessive pressure, temperature, and enthalpy excursions .

Built for the most demanding services, its robust cage-guided design is capable of handling the full pressure drop of main steam. Advanced trim options, including Whisper Trim™ III and WhisperFlo™, can significantly reduce noise levels by 30 to 40 dBA, contributing to a safer working environment . Furthermore, the valve can achieve tight Class V shut-off (per FCI 70-2) at temperatures up to 593°C (1100°F) using the field-proven Fisher Bore Seal trim .

Key Advantages at a Glance:

Dual-Function Control: Combines steam pressure and temperature reduction in one valve body .
Equipment Protection: Mitigates the risk of damage to critical assets during turbine trips .
Robust & Durable Construction: Features a hardened cage and cobalt-alloy guided plug for maximized service life and reliable operation under thermal expansion .
Effective Noise Abatement: Optional low-noise trims for substantial sound reduction .
Proven High-Temperature Sealing: Ensures tight shut-off in extreme conditions .
Ease of Maintenance: Top-entry design with a vertical stem allows for straightforward in-line servicing .

Product Attributes

For a quick overview, here are the key specifications of the Fisher TBX Valve.

Feature	Description
Product Line	Fisher™ TBX
Valve Type	Steam Conditioning Valve
Primary Applications	Noise Abatement, Steam Conditioning
Flow Characteristic	Linear
Body Materials	SA105, F22, F91
Operating Temperature	High Temperature
Pressure Rating	ASME
End Connection Types	Flanged, Buttweld, RTJ
Shutoff Class	Class IV (FCI 70-2), Class V (FCI 70-2)
Certifications	PED, CRN

Specifications & Model Summary

The Fisher TBX is available in a wide range of sizes to suit various plant capacities and pipeline dimensions.

Valve Size (NPS)
4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48

Note: The valve sizing standard is NPS . For detailed technical specifications, performance data, or custom options, please do not hesitate to contact our sales team.

If you have any questions or are unsure about the correct Fisher™ TBX model for your specific application, our technical experts are here to help. Contact the Kateteco sales team today for personalized assistance.

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