displacement sensor DEA-LVDT-50-6 with a long service life, the iron core and coil have no frictional contact throughout the entire process. Compared with resistive displacement sensors, there is no wear or signal drift, greatly reducing the frequency of turbine shutdown and replacement, and lowering operation and maintenance costs.

With a large measuring range of 150mm, it is suitable for large stroke hydraulic motors with an effective stroke of 0-150mm. It is also compatible with large stroke control valves and main steam valve actuators for large units, without the need for extended non-standard sensors. The spare parts have strong universality.

The signal is fully isolated and resistant to complex electromagnetic interference from power plants. The built-in photoelectric isolation circuit is matched with double-layer shielded corrugated tube cables to resist interference from induced draft fans and feed water pump frequency converters, completely solving the problem of frequent jumping and oscillation of DEH screen valve position values.

High temperature and anti-corrosion sealing structure, suitable for harsh working conditions in the steam turbine room. The stainless steel sealing shell is resistant to high temperature radiation and fuel erosion of the hydraulic engine. The IP64 sealing level can prevent oil mist and dust from entering the internal circuit board, ensuring stable and long-term continuous operation.

DEA-LVDT-50-6 has strong interchangeability and convenient maintenance. The connection joints and cable specifications are standardized, and there is no need to modify the installation base of the hydraulic engine for the overhaul and replacement of the steam turbine. It is easy to disassemble and shorten the downtime for maintenance.

High precision closed-loop feedback ensures stable adjustment of the unit with linear error ≤ ± 0.2% FS, no return clearance, and precise valve position feedback when the unit slightly increases or decreases load, avoiding significant fluctuations in main steam pressure and load, and ensuring safe and economical operation of the unit.

3300xl prefix 330780-51-00

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DFYLSYC-2026-07-10-A