Sempell Raisteam 3 Way Valves (Feed Water Heater Protection System)
Key Features
- These valves are designed to bypass high pressure feedwater around a group of heaters in the event of high-water level in the shell caused by a defective tube, weld or drain system.
- Protection is achieved in the system by installing fast closing tee and changeover valves in the pipework around a heater or group of heaters.
- One-piece body designed for temperature up to 648 °C
- Extensive range (ASTM, DIN) of forged steel body and bonnet material
- Internal passages designed for minimum pressure drop
- Split stem (with separate coupling) to allow hand operation for commissioning and maintenance without having any effect on normal operation.