Valtek TX3 Molten Salt triple-offset butterfly valve

Flowserve designed the Valtek TX3 Molten Salt triple-offset butterfly valve to provide concentrated solar power (CSP) plant operators with reliable performance, tight shut-off, and minimized maintenance in molten salt applications. Eliminating leakage in the demanding conditions required for thermal energy storage for industrial processes is a top priority. The design and construction of the TX3 Molten Salt valve can withstand temperatures ranging from 260°C to 600°C (500°F to 1,112°F) with standard live-loaded hybrid or Thermiculite packing. It maintains the packing load for constant external sealing during thermal cycling.

In addition, the TX3 Molten Salt valve has been designed and tested to ensure reliable performance throughout the CSP plant’s operational lifecycle.

The shut-off design and construction reliably comply with FCI 70-2 Class V for control valve applications and API 598 for On-Off applications.

The valve stem and packing region are designed to provide a comprehensive solution for packing/heat tracing, including integrated heating, controls, and sensors.

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